What's the difference between silk and wool?

Silk


Definition:

  • (n.) The fine, soft thread produced by various species of caterpillars in forming the cocoons within which the worm is inclosed during the pupa state, especially that produced by the larvae of Bombyx mori.
  • (n.) Hence, thread spun, or cloth woven, from the above-named material.
  • (n.) That which resembles silk, as the filiform styles of the female flower of maize.

Example Sentences:

  • (1) To ascertain whether azo dyes are associated with risk of development of bladder tumors in workers who handpaint Yuzen-type silk kimonos in Kyoto, we investigated the disintegration of dyes to benzidine.
  • (2) Serial keratometry readings were obtained pre- and postoperative cataract extraction utilizing all silk closure.
  • (3) Here’s Marie-Josée Kravis, advisor to the New York Fed, accessorizing brilliantly with her snake-effect silk scarf off on a power walk with her billionaire financier husband Henry Kravis, head of predatory investment company KKR.
  • (4) The country’s other attractions include a burning pit at “the door to hell” in the Darvaza crater, and rarely seen stretches of the silk road, the region’s ancient trade route.
  • (5) The polylactic-polyglycolic acid suture is braided and dyed, and has handling characteristics similar to those of black silk.
  • (6) The radioallergosorbent inhibition test, however, suggested that there may be no cross-reactivity or, if any, only very low cross-reactivity between midge allergens and mite, house dust (HD), silk, shrimp, or mosquito allergens.
  • (7) But lest the duchess feel overlooked, the end section of the show featured long, pale-blue bias-cut crepe dresses with more of a charity gala feel; and knee-length silk crepe dresses with black grosgrain belts seemed princess friendly.
  • (8) A clinical survey in two silk filatures revealed that 36.2% of the persons engaged in the processing of natural silk were suffering from bronchial asthma, while 16.9% of the total subjects had asthma of occupational origin.
  • (9) It posted photos on its website of what it said was Thargyal's charred body covered in ceremonial yellow silk scarves and hundreds of people marching up a hill to a cremation site where his remains were burned.
  • (10) Silk Road is just one website; bitcoin is potentially the foundation for a whole new economic order.
  • (11) The presence of specific antibodies against extracts of silk has been shown by the direct RAST and confirmed by the indirect RAST.
  • (12) The skin stapler produced less inflammation and a better aesthetic result over time than the silk stitches.
  • (13) Transcription of the Bombyx mori fibroin gene in a posterior silk gland extract can be separated into three functional steps on the basis of sensitivity to Sarkosyl: 1) formation of an initiation complex, which is blocked by 0.025% Sarkosyl; 2) conversion of the initiation complex to an elongation complex, a step sensitive to 0.05% Sarkosyl; 3) the subsequent elongation of RNA chain which occurs in the presence of 0.05% Sarkosyl.
  • (14) High-waisted flared pleated silk trousers was the key shape, in colours Saint Laurent would have approved, such as like pumpkin orange, sea green and glowing fuchia.
  • (15) 37 Castle Street, Somerset, A5 1LN; 01278 732 266; janetphillips-weaving.co.uk East Assington Mill's rural skills courses range from cane-and-rush chair making to silk scarf dyeing– and some more unusual options, too.
  • (16) Thankfully, mazot guests can also use the lounge and dining room in the Chalet Les Mazots, a lovely wood-panelled home full of antique chairs, chests and cabinets, built by a family of silk manufacturers from Leon who chose the location for their farm for its south-facing views of Mont Blanc.
  • (17) The abdominal safety line, which is a size 1 silk passed through the eyes of the urethral splint (Foley catheter) and rolled up on gauze with some tension on the anterior abdominal wall has been used in three cases.
  • (18) Pretreatment which gave higher grafting onto silk did not always promote the bond strength to the dentin pretreated by the same pretreatments.
  • (19) Six monkeys had significant drops in alveolar bone mass 14 days after the the application of a silk ligature around the gingival margin of an adjacent tooth.
  • (20) Silk ligatures were tied around selected posterior teeth and replaced weekly for 4 weeks.

Wool


Definition:

  • (n.) The soft and curled, or crisped, species of hair which grows on sheep and some other animals, and which in fineness sometimes approaches to fur; -- chiefly applied to the fleecy coat of the sheep, which constitutes a most essential material of clothing in all cold and temperate climates.
  • (n.) Short, thick hair, especially when crisped or curled.
  • (n.) A sort of pubescence, or a clothing of dense, curling hairs on the surface of certain plants.

Example Sentences:

  • (1) Release of 51Cr was apparently a function of immune thymus-derived lymphocytes (T cells) because it was abrogated by prior incubation of spleen cells with anti-thymus antiserum and complement but was undiminished by passage of spleen cells through nylon-wool columns.
  • (2) Populations of lymphocytes were separated using glass and nylon wool.
  • (3) Removal of accessory cells adherent to nylon wool column abolished MAS reactivity, whereas it has little effect on lymphoproliferation induced by phytohaemagglutinin (PHA).
  • (4) Somatic changes included reduced wool growth, delayed osseous development in the limbs (X-ray assessment) a reduced heart weight (39.1%) and an increased pituitary weight (48.1%).
  • (5) [35S]Cyst(e)ine activity was detected in the faeces, but not in plasma or wool.
  • (6) Immunoreactivity was restricted to the periderm and intermediate layers of fetal epidermis at 55 d of gestation, when the first wave of wool follicles are initiated.
  • (7) Data obtained with cells separated by adherence, nylon wool columns, and positive and negative sorting with monoclonal antibodies that define B, monocyte, T helper and T cytotoxic cells show that several different cell types have the ability to produce GH mRNA.
  • (8) A case is presented of a patient who was arrested along several developmental lines and had suffered from a wool fetish.
  • (9) Removal of nylon wool adherent cells or cells with histamine receptors by column chromatography similarly caused reduced production of type II interferon.
  • (10) The activity of uremic spleen cells can be enhanced (restored) by removal of the sub-population of cells adherent to glass wool.
  • (11) All skirted lots of wool evaluated in this study had improved processing characteristics for all processing traits evaluated.
  • (12) The in vitro generation of allospecific CTL by human PBMC was enhanced 4- to 16-fold by sequential plastic and nylon wool adherence, which depleted the PBMC of macrophages and B cells.
  • (13) In parallel experiments, macrophages infected with the mycobacteria were co-cultured with syngeneic in vivo M. kansasii sensitized non-adherent, nylon-wool purified lymph node cells, and lymphoproliferation was measured by [3H]thymidine incorporation.
  • (14) "The Lib Dems are either cosmically ill-informed or seeking to pull the wool over the eyes of many thousands whose jobs depend on a thriving shipyard," he said.
  • (15) In general, IEL of satisfactory yield and of good viability were obtained with EDTA treatment of the gut tissues, followed by rapid passages of the resultant cells through nylon-wool columns and centrifugation on two-step Percoll density gradients (45% and 80%).
  • (16) There was a definite glove and stocking type of hypesthesia to pinprick and cotton wool.
  • (17) Since young nude mice could be rendered as unpermissive as older nude mice by pretreatment with either PNA-agglutinable thymus cells or nylon-wool passed spleen cells, it is suggested that an increased number of precursor T cells in older nude mice might induce this effect.
  • (18) Differences in wool production between ewes weaning one or two lambs were small.
  • (19) The effects of flumethasone on some aspects of wool growth revealed interactions between the routes of administration, the period of dosage and the rate of wool growth in the recipients.
  • (20) Streptococcus pyogenes survives poorly on plain cotton-wool swabs, whereas serum-dipped swabs permit its survival but also allow overgrouth by other bacteria and are likely to contain virus inhibitors.