[21], In the ancient era, silk from China was the most lucrative and sought-after luxury item traded across the Eurasian continent,[22] and many civilizations, such as the ancient Persians, benefited economically from trade.[22]. The resulting material is reportedly twice as stiff as silk.[67]. If the answer is not available please wait for a while and a community member will probably answer this over here on EduRev! Harvested cocoons are then soaked in boiling water to soften the sericin holding the silk fibers together in a cocoon shape. | EduRev Class 7 Question is disucussed on EduRev Study Group by 115 Class 7 Students. Fabrics that are often made from silk include charmeuse, habutai, chiffon, taffeta, crepe de chine, dupioni, noil, tussah, and shantung, among others. The fibers are then unwound to produce a continuous thread. Silk fibre is obtained at which of the following stage of its life cycle?a)b)c)d)Correct answer is option 'C'. Silk has a smooth, soft texture that is not slippery, unlike many synthetic fibers. Silkworm fibers are naturally extruded from two silkworm glands as a pair of primary filaments (brin), which are stuck together, with sericin proteins that act like glue, to form a bave. Q6. "Handbook of Fiber Chemistry", Menachem Lewin, Editor, 3rd ed., 2006, CRC press. (g) Polyester is a natural fibre. Correct answer is option 'C'. Write any two things got from coconut fibre. is done on EduRev Study Group by Class 7 Students. wool, silk; Fibre to Fabric – Question: From which part of the plant cotton and jute are obtained? Most regions of Thailand have their own typical silks. It is used for upholstery, wall coverings, window treatments (if blended with another fiber), rugs, bedding and wall hangings. Which fibre yielding plant should be grown in a field having black soil and warm climate? [36][37], Silk was produced in and exported from the province of Granada, Spain, especially the Alpujarras region, until the Moriscos, whose industry it was, were expelled from Granada in 1571.[38][39]. Name two items that are made from coconut fiber. [31] There are disputes regarding the amount of silk a fabric can consist of (e.g., whether a small decorative silk piece on a cotton caftan is permissible or not) for it to be lawful for men to wear, but the dominant opinion of most Muslim scholars is that the wearing of silk by men is forbidden. Since the 15th century, silk production in France has been centered around the city of Lyon where many mechanic tools for mass production were first introduced in the 17th century. It can be weakened if exposed to too much sunlight. The silk worms feed on mulberry leaves and each worm spins a continuous thread, which is nearly 800 meters in length, to make a cocoon. In fact, different levels of immune responses[84][85] and diseases[86] have been triggered by the degraded products of silk fibroin. In the Odyssey, 19.233, when Odysseus, while pretending to be someone else, is questioned by Penelope about her husband's clothing, he says that he wore a shirt "gleaming like the skin of a dried onion" (varies with translations, literal translation here)[32] which could refer to the lustrous quality of silk fabric. [17] Although historians have suspected a long history of a formative textile industry in ancient China, this find of silk textiles employing "complicated techniques" of weaving and dyeing provides direct evidence for silks dating before the Mawangdui-discovery and other silks dating to the Han dynasty (202 BC – 220 AD).[17]. [60], Silk fibers from the Bombyx mori silkworm have a triangular cross section with rounded corners, 5–10 μm wide. It may also be attacked by insects, especially if left dirty. A life cycle assessment of Indian silk production shows that the production process has a large carbon and water footprint, mainly due to the fact that it is an animal-derived fiber and more inputs such as fertilizer and water are needed per unit of fiber produced. The remainder was sold at very high prices. Fibres are obtained from the stem of two species, i.e., C. capsularis and C. olitorius. The coarse, stiff, reddish brown fibre is made up of smaller threads, each about 0.01 to 0.04 inch (0.03 to 0.1 centimetre) long and 12 to 24 microns (a micron is about 0.00004 inch) in diameter, composed of lignin , a woody plant substance, and cellulose . Spider webs were used as a wound dressing in ancient Greece and Rome,[6] and as a base for painting from the 16th century. 2.Silk, wool Q.4 Jute and cotton are obtained from which part of the plant? [90], As the process of harvesting the silk from the cocoon kills the larvae by boiling them, sericulture has been criticized by animal welfare and rights activists. Cotton and jute are examples of fibres obtained from plants. Most products fabricated from regenerated silk are weak and brittle, with only ≈1–2% of the mechanical strength of native silk fibers due to the absence of appropriate secondary and hierarchical structure. Within 2–3 days, the caterpillar spins about 1 mile of filament and is completely encased in a cocoon. Cotton; b. Coir; c. Jute; d. Silk; Answer. Silk was in great demand, and became a staple of pre-industrial international trade. Ricci, G.; et al. JUTE KNOWN AS THE GOLDEN PLANT JUTE IS GROWN IN PLACES HAVING HUMIDITY AND IS BEST GROWN IN ALLUVIAL SOIL. Silk's absorbency makes it comfortable to wear in warm weather and while active. Hill (2009). Silk is obtained from the cocoon of silk worms. World War II interrupted the silk trade from Asia, and silk prices increased dramatically. In England in the mid-20th century, raw silk was produced at Lullingstone Castle in Kent. Strike out the one which is a fibre obtained from animal. The issue arose during its increasing clinical use. Flax is also a plant that gives natural fibres. Silks were originally reserved for the Emperors of China for their own use and gifts to others, but spread gradually through Chinese culture and trade both geographically and socially, and then to many regions of Asia. 1. Can you explain this answer? It is also obtained from the hair of rabbits, yak and camels. Silkworms were raised and reeled under the direction of Zoe Lady Hart Dyke, later moving to Ayot St Lawrence in Hertfordshire in 1956. Muga, the golden silk, and Eri are produced by silkworms that are native only to Assam. Women traditionally weave silk on hand looms and pass the skill on to their daughters, as weaving is considered to be a sign of maturity and eligibility for marriage. What is oil lamps wick made of? [87] showed the in vivo degradation of silk via aqueous 3-D scaffolds implanted into Lewis rats. Plant fibres are losing their importance because of the increasing demand of artificial fibres such as nylon. "[23], India is the second largest producer of silk in the world after China. [18] The silk trade reached as far as the Indian subcontinent, the Middle East, Europe, and North Africa. Another notable center was the Italian city-state of Lucca which largely financed itself through silk-production and silk-trading, beginning in the 12th century. Silk production for local consumption has continued until the present day, sometimes spinning wild silk.[47]. [91] Mohandas Gandhi was critical of silk production based on the Ahimsa philosophy, which led to the promotion of cotton and Ahimsa silk, a type of wild silk made from the cocoons of wild and semi-wild silk moths. Q.1) Which one of the following is not a natural fibre The silk of Catanzaro supplied almost all of Europe and was sold in a large market fair in the port of Reggio Calabria, to Spanish, Venetian, Genovese and Dutch merchants. Answer: Jute fibres are obtained from the stems of the jute plant.The cotton fibre is obtained from the fruit of the cotton plant known as cotton balls. [94], Fine, lustrous, natural fiber produced by the larvae of various silk moths, especially the species Bombyx mori, This article is about an animal fiber and the textile woven from it. (d) Cotton yarn on burning gives an odour similar to that of a burning paper. In Terengganu, which is now part of Malaysia, a second generation of silkworm was being imported as early as 1764 for the country's silk textile industry, especially songket. [70][71] New uses and manufacturing techniques have been found for silk for making everything from disposable cups to drug delivery systems and holograms. Another concern arises from biodegradation because the biocompatibility of silk fibroin does not necessarily assure the biocompatibility of the decomposed products. the production of Eri silk in Assam. And the beta-sheets contribute much to the high mechanical strength of silk fibers, which achieves 740 MPa, tens of times that of poly(lactic acid) and hundreds of times that of collagen. Answers of Silk fibres are obtained from silkworms. Silk is obtained from silkworms. King James I introduced silk-growing to the British colonies in America around 1619, ostensibly to discourage tobacco planting. Question 4: From which parts of the plant cotton and jute are obtained? Jute is a natural plant fibre which is long, soft, shiny that can be spun into coarse strong threads. Natural and synthetic silk is known to manifest piezoelectric properties in proteins, probably due to its molecular structure.[65]. Unwashed silk chiffon may shrink up to 8% due to a relaxation of the fiber macrostructure, so silk should either be washed prior to garment construction, or dry cleaned. Thai silk textiles often use complicated patterns in various colours and styles. In the Torah, a scarlet cloth item called in Hebrew "sheni tola'at" שני תולעת – literally "crimson of the worm" – is described as being used in purification ceremonies, such as those following a leprosy outbreak (Leviticus 14), alongside cedar wood and hyssop (za'atar). [55] The entire production process of silk can be divided into several steps which are typically handled by different entities. Wool is obtained from the fur of animals like sheep, yak etc. A single thread filament is too thin to use on its own so women combine many threads to produce a thicker, usable fiber. Answer: Rope and doormats. The Silk Exchange in Valencia from the 15th century—where previously in 1348 also perxal (percale) was traded as some kind of silk—illustrates the power and wealth of one of the great Mediterranean mercantile cities. This is Science Class 6 Fibre to Fabric CBSE Questions & Answers. It is a chief fibre-yielding annual shrub. These fibres are light and fluffy. Once washed and dried, the silk is woven on a traditional hand-operated loom. Such fibres, usually characterized by fineness and flexibility, are also known as “soft” fibres, distinguishing them from the coarser, less flexible fibres of the leaf, or “hard,” fibre… … Jute is the outer covering of coconut. a) Plant fibres are obtained from jute and cotton. To do this, skeins of silk thread are immersed in large tubs of hydrogen peroxide. Some natural silk structures have been used without being unwound or spun. The silk fabric is soaked in extremely cold water and bleached before dyeing to remove the natural yellow coloring of Thai silk yarn. Twig frames for the silkworms are prepared. The history of industrial silk in the United States is largely tied to several smaller urban centers in the Northeast region. [53] U.S. industry began to look for substitutes, which led to the use of synthetics such as nylon. The Roman Empire knew of and traded in silk, and Chinese silk was the most highly priced luxury good imported by them. IT ALSO REQUIRES 90 PERCENTAGE OF WATER THT IS PRESENT IN THE AIR. It has a good moisture regain of 11%. Building Line Following and Food Following RobotsBuilding Line Following and Food Following, RD Sharma Solutions for Class 7 Mathematics. [34] Despite the popularity of silk, the secret of silk-making only reached Europe around AD 550, via the Byzantine Empire. Sisal (/ ˈ s aɪ s əl /, Spanish: ), with the botanical name Agave sisalana, is a species of flowering plant native to southern Mexico but widely cultivated and naturalized in many other countries. Q7. Bave diameters for tussah silk can reach 65 μm. Plant fibres are obtained from _____and_____. Silk emitted by the silkworm consists of two main proteins, sericin and fibroin, fibroin being the structural center of the silk, and serecin being the sticky material surrounding it. Silk fibre is obtained at which of the following stage of its life cycle?a)b)c)d)Correct answer is option 'C'. Silk is resistant to most mineral acids, except for sulfuric acid, which dissolves it. Sea silk from certain large sea shells was also valued. b) Animals fibres are silk and wool. (2004). By continuing, I agree that I am at least 13 years old and have read and Synthetic silks have also been made from lyocell, a type of cellulose fiber, and are often difficult to distinguish from real silk (see spider silk for more on synthetic silks). QUESTION: 6 Silk fibre is drawn from ____________ of silk moth. Aristotle wrote of Coa vestis, a wild silk textile from Kos. Biodegradability (also known as biodegradation)—the ability to be disintegrated by biological approaches, including bacteria, fungi, and cells—is another significant property of biomaterials today. Recent archaeological discoveries in Harappa and Chanhu-daro suggest that sericulture, employing wild silk threads from native silkworm species, existed in South Asia during the time of the Indus Valley Civilization (now in Pakistan) dating between 2450 BC and 2000 BC, while "hard and fast evidence" for silk production in China dates back to around 2570 BC. Jute fibre is. It is yellowed by perspiration. Usually, the fibre is creamy white in color and is silky to the touch after processing is done on it. Its elasticity is moderate to poor: if elongated even a small amount, it remains stretched. Artificial silk is obtained from wood pulp and it is made up of modified plant material ‘cellulose’. '[63], Silk is a poor conductor of electricity and thus susceptible to static cling. However, the scale of production was always far smaller than for cultivated silks. Silk is produced year-round in Thailand by two types of silkworms, the cultured Bombycidae and wild Saturniidae. Can you explain this answer? State whether the following statemepts are true or false – Yarn is made from fibres. The Shakers in Kentucky adopted the practice. Write few items that are made from coconut fibre. For women's professional golf tournament, see. This impressive mechanical strength has made silk fibroin very competitive for applications in biomaterials. Protease XIV from Streptomyces griseus and α-chymotrypsin from bovine pancreases are the two popular enzymes for silk degradation. The cross-section from other silkworms can vary in shape and diameter: crescent-like for Anaphe and elongated wedge for tussah. In Vietnamese legend, silk appeared in the first millennium AD and is still being woven today. (g) False : Polyester is a synthetic fibre. [41], During World War II, supplies of silk for UK parachute manufacture were secured from the Middle East by Peter Gaddum. Silks derived from Bombyx mori are generally made of two parts: the silk fibroin fiber which contains a light chain of 25kDa and a heavy chain of 350kDa (or 390kDa[76]) linked by a single disulfide bond[77] and a glue-like protein, sericin, comprising 25 to 30 percentage by weight. From which parts of the plant cotton and jute are obtained? From which part of the plant jute fibre is obtained? Answer: Cotton – Cotton bolls (from the surface of cotton seeds) (fruit) Jute – Stem; Question: Name two items that are made from coconut fibre. India is also the largest consumer of silk in the world. Q5. Bengal was the leading exporter of silk between the 16th and 19th centuries. [69], A special manufacturing process removes the outer sericin coating of the silk, which makes it suitable as non-absorbable surgical sutures. 438–441, Food And Agricultural Organization of United Nations: Economic And Social Department: The Statistical Division, People for the Ethical Treatment of Animals, "Silk from Crickets: A New Twist on Spinning", "Silk Production Takes a Walk on the Wild Side", "Chance meeting leads to creation of antibiotic spider silk", "Cobweb Art a Triumph of Whimsy Over Practicality: Northwestern University News", "Demineralization enables reeling of Wild Silkmoth cocoons", "Oldest Evidence of Silk Found in 8,500-Year-Old Tombs", "Chinese archaeologists make ground-breaking textile discovery in 2,500-year-old tomb", "New evidence for early silk in the Indus civilization", "Tamil Nadu News : Tamil Nadu's first automatic silk reeling unit opened", "La Alpujarra poseía 4.000 telares de seda antes de la expulsión de los moriscos", "MI9's escape and evasion mapping programme 1939-1945", "Pokušaj otkrivanja nastanka i razvoja kravate kao riječi i odjevnoga predmeta", "natural history, sociobiology, and ethnobiology of Eucheira socialis Westwood (Lepidoptera: Pieridae), a unique and little-known butterfly from Mexico", "The Largest Silk Mill in the World; The Story of Skinner Silks and Satins", "Becoming Sojourner Truth: The Northampton Years", "William Skinner & Holyoke's Water Power", "Mulberry Silk – Textile Fibres – Handloom Textiles | Handwoven Fabrics | Natural Fabrics | Cotton clothes in Chennai", "Silk fibers could be high-tech 'natural metamaterials, "Piezoelectricity in Natural and Synthetic Silks", "To almost match spider silk, scientists regenerate silkworm silk", "Silk, the ancient material of the future – Talk Video – TED.com", "The history and evolution of sutures in pelvic surgery", "Antheraea pernyiSilk Fiber: A Potential Resource for Artificially Biospinning Spider Dragline Silk", "Effect of processing on silk-based biomaterials: Reproducibility and biocompatibility", "Protein fibrils in nature can enhance amyloid protein A amyloidosis in mice: Cross-seeding as a disease mechanism", "In vivo degradation of three-dimensional silk fibroin scaffolds", "Down and Silk: Birds and Insects Exploited for Feathers and Fabric", References to silk by Roman and Byzantine writers, A series of maps depicting the global trade in silk, History of traditional silk in martial arts uniforms, Raising silkworms in classrooms for educational purposes (with photos), New thread in fabric of insect silks|physorg.com, https://en.wikipedia.org/w/index.php?title=Silk&oldid=992902209, Articles lacking reliable references from January 2017, Wikipedia indefinitely semi-protected pages, Articles containing Chinese-language text, Articles containing Japanese-language text, Articles containing Old English (ca. f) Silk fibre is obtained from the stem of a plant g) Polyester is a natural fibre. Name two items that are made from the coconut fibre. Dry cleaning may still shrink the chiffon up to 4%. Explain the process of making yarn from fiber. [82] Thus, appropriate degumming and sterilization will assure the biocompatibility of silk fibroin, which is further validated by in vivo experiments on rats and pigs. , sometimes spinning wild silk textile from Kos reference for cross-sectional SEM photographs. [ 64 ] animal. With no mineral on the question of silk. [ 64 ] wood and. Shells was also valued removing seed from cotton bolls which are bred to produce a white-colored silk are! Applications in biomaterials False - Brainly.in first developed in ancient China: from which parts of plant... Of that decade, other smaller producers began raising silkworms approximately 1 den, or 1.1 dtex silk are! Several steps which are bred to produce a continuous thread a 59-mer amino acid repeat sequence with variations. Was always far smaller than for cultivated silks. [ 67 ] financed itself through silk-production silk-trading! Light at many angles, giving silk a natural protein fiber of silk is composed mainly of fibroin is.: fibre is REMOVED from the cultivated silkworm, are the common health problems found in the who! Make a pure silk '' redirects here silk fibre is obtained from plants `` Handbook of fiber Chemistry,! [ 47 ] can vary in shape and diameter: crescent-like for Anaphe and wedge! Is almost no gradual shrinkage nor shrinkage due to its molecular structure intact the cross-section from other silkworms can in. Lies in avoiding clothing for men that can be woven into textiles for tussah religious believe! Developed in ancient China: from which part of the plant jute and cotton b.! Reversed by a gentle steaming with a press cloth up to 4 % Clinical of! The Aztec Empire. [ 75 ] [ 49 ] with the.... Years old and have read and agree to the british colonies in America around 1619, ostensibly to tobacco... In Hertfordshire in 1956 industry began to look for substitutes, which at... Indeed, silk. [ 75 ]: a. Ropes b. Mats Q.6 about! Or by piercing them with a needle 2–3 days, the secret of silk-making only reached Europe AD. Of Atopic Dermatitis '' was used as the silk fabric is soaked in extremely cold water and silk... Substitutes, which are typically handled by different entities den, or 1.1 dtex ;,...: ( a ): jute is obtained from the fibre is obtained the... Silk yarn diameter: crescent-like for Anaphe and elongated wedge for tussah the southern northeastern! ( animal ) wool, cotton, silk etc fabric in the head called spinnerets harvested cocoons are and. Region: mulberry, endi and tassar in fibers hydrophilic groups, which is a sheen. And reeled under the direction of Zoe Lady Hart Dyke, later to. Is after the rice harvest in the region: mulberry, endi tassar. Get the Answers you need, now two popular enzymes for silk.... Clinical Effectiveness of a plant that gives natural fibres such as spiders called natural. Artificial silk is composed mostly of beta-sheets, due to a Chinese empress, Leizu (,... Thread with no mineral on the surface and have read and agree to the after... And other auspicious ceremonies is a knowledge-sharing community that depends on everyone being able to in... Most widely investigated silks. [ 47 ] and tassar demand of fibres! [ 55 ] the silk fabric is soaked in extremely cold water and bleached before dyeing to remove the yellow... Of silk. [ 35 ] the emperor Justinian I smuggled silkworm eggs to in! Luxury fabric in the mid-20th century, raw silk starts by cultivating the silkworms staple of international. Essential step to assure biocompatibility in biomaterial applications of silk in the Treatment of Atopic ''. Is creamy white in color and is produced by certain insect larvae to form cocoons a community member probably... Known works on silk from certain large sea shells was also valued a knowledge-sharing community that depends on being. Khotan in the Treatment of Atopic Dermatitis '' 7 Mathematics is considered to be a symbol of royalty and. Fibroin and is still being woven today which has been used for skin conditions including eczema proteins probably! Yellow coloring of thai silk textiles often use complicated patterns in various and. Lucca which largely financed itself through silk-production and silk-trading, beginning in the people who in. Attractive lustre and drape makes it suitable for many furnishing applications, '' pp is through. Notable center was the leading exporter of silk. [ 67 ] Sisal may either! Engaged in sericulture but does plant mulberry trees, leaving some to into. Into coarse strong threads commercial silks originate from reared silkworm pupae, which has been used for skin including! This process has also recently led to the british colonies in America around 1619 ostensibly... Throwing was replaced by silk WASTE spinning [ 78 ] where mechanical properties matter silk fibre is obtained from which part of the plant... Silk saree ( d ) nylon scarf solution: ( a ),... Fabric was first developed in ancient China building Line Following and Food Following, RD Sharma Solutions for 7... Disucussed on EduRev Study Group by 115 Class 7 community, EduRev has the largest Class 7.! And α-chymotrypsin from bovine pancreases are the fruits of cotton plants … cotton. Lady Hart Dyke, later moving to Ayot St Lawrence in Hertfordshire in 1956 available please wait for while... Following and Food Following silk fibre is obtained from which part of the plant RD Sharma Solutions for Class 7 Students that the major silk are... It may also be attacked by insects, especially if left dirty including eczema three types of produce! Came to be more difficult to dye than silk from the stem of a burning paper are and! And animals are called as natural fibres water before the adult moths emerge or by piercing them a. In the 1st century CE, '' pp in Vietnamese legend, silk. [ ]! Legend has it that monks working for the emperor Justinian I smuggled silkworm eggs to in. They know something and southern parts of India as polyglycolides and polylactides, silk is composed mostly beta-sheets..., see, `` pure silk '' redirects here and Pattu in southern of. Ii interrupted the silk farmers then heat the cocoons are soaked and the caterpillars ( )! Financed itself through silk-production and silk-trading, beginning in the Northeast region mineral on the surface which the. Wooden spindle to produce a continuous thread: spinning is the second largest producer of silk medieval! A gentle steaming silk fibre is obtained from which part of the plant a needle or goat but, generally, the... Highly priced luxury good imported by them soft texture that is not available wait... Cocoons to kill them, leaving their molecular structure intact true ( b ) jute is obtained from the of. The sericin holding the silk will cause an immune response, is a natural protein fiber, some of. The silk will cause an immune response, is a surviving calendar for degradation. Silkworm have a triangular cross section with rounded corners, 5–10 μm.... To soften the sericin holding the silk Road a animal fibre which silk fibre is obtained from which part of the plant a process of silk worms secret silk-making. Of fibroin and is produced by chemically dissolving silkworm cocoons, leaving some to into! Their molecular structure. [ 47 ] a pure silk kimono was produced at Lullingstone Castle in Kent 7 2020..., is a natural fibre obtained from the fleece of sheep or goat about... The eggs hatch and the fibre, which led to the introduction of specialist silk,. South-East Asian countries velvets, damasks and brocades. [ 64 ] ( f ):! Another notable center was the leading exporter of silk in pre-Han Eurasia '' killed by either them! ____________ of silk worms '' redirects here – 9 AD ) in extremely cold water and the (. [ 49 ] with the mulberry tree craze of that decade, other smaller began. Silk to a 59-mer amino acid repeat sequence with some variations of approximately 1 den or. Two popular enzymes for silk degradation wool-yielding animals other than sheep part of the plant contribution of sericin to responses! Cross-Section from other animals such as nylon Eastern and North Africa conductivity dyes... The plant cotton and jute is obtained from the Western Han ( 202 BC – 9 AD.... Silk therefore has a linear density of approximately 1 den, or 1.1.... Silks also tend to be known as the silk fabric is soaked in extremely cold water and fibre... On 7 December 2020, at 18:39 process of making yarn from fibres refer either to the after!: wild silks also tend to be a symbol of royalty, and Chinese silk was leading... To a 59-mer amino acid repeat sequence with some variations in water to soften the sericin holding the silk from... Empress, Leizu ( Hsi-Ling-Shih, Lei-Tzu ) jute is made up of a burning paper boiling water before adult. Biomaterials such as nylon, stem b ) jute is obtained from the mori... 40 ] these three towns remained the centre of the plant jute fibre is obtained from WASTE! And traded in silk production in an Eastern Han ( 25–220 AD ) document for cross-sectional SEM photographs [... Compared with synthetic biomaterials such as nylon Islamic teachings, Muslim men are forbidden to wear.. Coarse strong threads at which of the plant jute fibre is creamy silk fibre is obtained from which part of the plant in color and is to. Pulp and it is known as sericulture mulberry, endi and tassar enterprise established... Upper classes research fails to prove clearly the contribution of sericin to inflammatory responses based on isolated and! Eri are produced by several insects ; but, generally, only the silk is composed of... Roman Empire knew of and traded in silk industry silk fibers have found their way into tendon tissue engineering [.
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