What's the difference between skein and skin?

Skein


Definition:

  • (n.) A quantity of yarn, thread, or the like, put up together, after it is taken from the reel, -- usually tied in a sort of knot.
  • (n.) A metallic strengthening band or thimble on the wooden arm of an axle.
  • (n.) A flight of wild fowl (wild geese or the like).

Example Sentences:

  • (1) The stromal underlayer has the typical morphological structure: its cells are compactly packed in the form of a skein with stromal mechanocytes among them.
  • (2) Until now it is well known that throughout life the endochondral layer of human labyrinthine bone consists of a "woven, alamellar, fine-fibred type of bone" which is called "embryonic skein bone" (embryonaler Strähnenknochen) (MEYER 1927).
  • (3) Patterns of immunoreactivity (linear, flame-shaped, or skein-like within perikarya) greatly resembled the appearance of silver-stained NFT.
  • (4) These axonal swellings are filled with maloriented skeins of neurofilaments.
  • (5) Convolution of microvessels, formation of loops, skeins, torsions along the longitudinal axis, deformation of walls (folds and angularity of the contours, multiple unilateral and bilateral protrusions and invaginations, sacciform and cylindrical microaneurisms, multiplication of venules) are observed.
  • (6) Ultrastructurally, the inclusions consisted of straight or interwoven skeins of 10 nm filaments.
  • (7) The first signs of regression appear before the climax stages, when aggregates of cytokeratin material are found among the filaments of the skeins.
  • (8) Swellings filled with skeins of maloriented neurofilaments were observed in the initial (non-myelinated) segment of intraparenchymal spinal axons in addition to the swellings consistently located in the first internodes.
  • (9) The present report describes nine cases of small intestinal stromal tumors with eosinophilic stromal globules composed of tangles of curved fibers with crossbands simulating an appearance of skeins, designated as skeinoid fibers.
  • (10) Studies with the electron microscope reveal that as the proliferation proceeds during metamorphosis, the skein cells, at stage 20, differentiate to form the apical border of the skin.
  • (11) Reticulin staining of the fibrous trabeculae in the posterior (scleral) part of the lamina revealed a structure composed of interweaving skeins of collagen fibres frequently arranged tangentially around the canals, 40-220 microns in diameter, through which optic nerve axons pass.
  • (12) Their three dimensional structure is interpreted as a skein of contorted tubules of endoplasmic reticulum.
  • (13) In the endoplasmic reticulum (ER) of the rat proximal tubule nephron epithelial cells three morphologically different components can be distinguished: 1) tubes and cisternae distributed relatively diffusely in the cytoplasm; 2) cisternae of paramembranous ER located along the lateral boundaries of the cell (components 1 and 2 might be either smooth or granular); 3) constantly smooth ER consisting of narrow tubules accumulated in the shape of skeins or islets.
  • (14) Fifty percent of body cells and more than 95% of tail cells were skein cells.
  • (15) In tadpoles of Rana temporaria, Bufo bufo and Xenopus laevis the development of the massive skeins of tonofilaments (cytokeratin intermediate filaments) that form the figures of Eberth follows a similar sequence in all species studied.
  • (16) Skein-like inclusions (SLIs) in the anterior horn cells of patients with motor neuron diseases, including familial amyotrophic lateral sclerosis with posterior column degeneration, sporadic lower motor neuron disease and classical amyotrophic lateral sclerosis, were investigated morphologically with hematoxylin and eosin preparations, immunostaining for ubiquitin and immunoelectron microscopy.
  • (17) Another piece is made of twisted skeins of steel, reinforcing rods that failed to support schools in the 2008 earthquake in China, displayed beside the names of more than 5,000 school children who died.
  • (18) Skein bone which is typical in enchondral layer of human bony otic capsule also is found in pig, rabbit, guinea pig, rat, mouse and golden hamster.
  • (19) The overall ultrastructural appearance simulated skeins of yarn, hence they are designated skeinoid fibers.
  • (20) Additional temporal bone reports of three cases of osteogenesis imperfecta congenita show lack of deposition of the skein-like bone in the endochondral layer, sparse bony septae in marrow spaces and deficiency of the perosteal layer.

Skin


Definition:

  • (n.) The external membranous integument of an animal.
  • (n.) The hide of an animal, separated from the body, whether green, dry, or tanned; especially, that of a small animal, as a calf, sheep, or goat.
  • (n.) A vessel made of skin, used for holding liquids. See Bottle, 1.
  • (n.) The bark or husk of a plant or fruit; the exterior coat of fruits and plants.
  • (n.) That part of a sail, when furled, which remains on the outside and covers the whole.
  • (n.) The covering, as of planking or iron plates, outside the framing, forming the sides and bottom of a vessel; the shell; also, a lining inside the framing.
  • (v. t.) To strip off the skin or hide of; to flay; to peel; as, to skin an animal.
  • (v. t.) To cover with skin, or as with skin; hence, to cover superficially.
  • (v. t.) To strip of money or property; to cheat.
  • (v. i.) To become covered with skin; as, a wound skins over.
  • (v. i.) To produce, in recitation, examination, etc., the work of another for one's own, or to use in such exercise cribs, memeoranda, etc., which are prohibited.

Example Sentences:

  • (1) The catheter must be meticulously fixed to the skin to avoid its movement.
  • (2) Elements in the skin therefore seemed to enhance nerve regeneration and function.
  • (3) This is a fascinating possibility for solving the skin shortage problem especially in burn cases.
  • (4) Blood flow decreased immediately after skin expansion in areas over the tissue expander on days 0 and 1 and returned to baseline levels within 24 hours.
  • (5) These findings suggest that clonidine transdermal disks lower blood pressure in hypertensive patients, but produce local skin lesions and general side effects.
  • (6) Currently, photodynamic therapy is under FDA-approved clinical investigational trials in the treatment of tumors of the skin, bronchus, esophagus, bladder, head and neck, and of gynecologic and ocular tumors.
  • (7) Immunofluorescent staining for HLA-DR showed dermal positivity in 12 of 13 involved- and 9 of 13 uninvolved-skin biopsy specimens from scleroderma patients, compared with only 1 of 10 controls.
  • (8) Blood flow was measured in leg and torso skin of conscious or anesthetized sheep by using 15-micron radioactive microspheres (Qm) and the 133Xe washout method (QXe).
  • (9) A similar interference colour appeared after incubating sections of rat skin with chymase.
  • (10) Peptides from this region bind to actin, act as mixed inhibitors of the actin-stimulated S1 Mg2(+)-ATPase, and influence the contractile force developed in skinned fibres, whereas peptides flanking this sequence are without effect in our test systems.
  • (11) This study was designed to examine the effect of the storage configuration of skin and the ratio of tissue-to-storage medium on the viability of skin stored under refrigeration.
  • (12) Somatostatin-like immunoreactivity has been found to occur in nerve terminals and fibres of the normal human skin using immunohistochemistry.
  • (13) We recommend analysing the urine for porphyrins in HIV-positive patients who have chronic photosensitivity of the skin.
  • (14) We investigated the incidence of skin cancer among patients who received high doses of PUVA to see whether such incidence increased.
  • (15) Attachment of the graft to the wound is similar with and without the addition of human basic fibroblast growth factor, a potent angiogenic agent, to the skin replacement before graft placement on wounds.
  • (16) In order to develop a sampling strategy and a method for analyzing the circadian body temperature pattern, we monitored estimates of the temperature in four ways using rectal, oral, axillary and deep body temperature from the skin surface every hour for 72 consecutive hours in 10 normal control subjects.
  • (17) It was shown that the antibiotic had low acute toxicity, did not cumulate and had no skin-irritating effect.
  • (18) Compliance during dehydration was 7.6 and 12.5% change in IFV per millimeter Hg fall in IFP (micropipettes) in skin and muscle, respectively, whereas compliance in subcutis based on perforated capsule pressure was 2.0% change in IFV per millimeter Hg.
  • (19) For the second propositus, a woman presenting with abdominal and psychiatric manifestations, the age of onset was 38 years; the acute attack had no recognizable cause; she had mild skin lesions and initially was incorrectly diagnosed as intermittent acute porphyria; the diagnosis of variegate porphyria was only established at the age of 50 years.
  • (20) 14 patients with painful neuroma, skin hyperesthesia or neuralgic rest pain were followed up (mean 20 months) after excision of skin and scar, neurolysis and coverage with pedicled or free flaps.