(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.
Tangle
Definition:
(n.) To unite or knit together confusedly; to interweave or interlock, as threads, so as to make it difficult to unravel the knot; to entangle; to ravel.
(n.) To involve; to insnare; to entrap; as, to be tangled in lies.
(v. i.) To be entangled or united confusedly; to get in a tangle.
(n.) Any large blackish seaweed, especially the Laminaria saccharina. See Kelp.
(v.) A knot of threads, or other thing, united confusedly, or so interwoven as not to be easily disengaged; a snarl; as, hair or yarn in tangles; a tangle of vines and briers. Used also figuratively.
(v.) An instrument consisting essentially of an iron bar to which are attached swabs, or bundles of frayed rope, or other similar substances, -- used to capture starfishes, sea urchins, and other similar creatures living at the bottom of the sea.
Example Sentences:
(1) The fine structure of neurofibrillary tangles in the hippocampal gyrus, substantia nigra, pontine nuclei and locus coeruleus of the brain was postmortem studied in a case of progressive supranuclear palsy.
(2) It was the ease with which minor debt could slide into a tangle of hunger and despair.
(3) Although a trend was observed for TMA-DPH mobility to parallel histopathologic severity in hippocampal specimens, the biophysical changes did not appear to reflect a loss of neuronal membranes relative to glial membranes or the presence of senile plaques or neurofibrillary tangles.
(4) Neurofibrillary tangles (NFT), one of the pathological hallmarks of Alzheimer's disease are observed in very high densities in the brains of former professional boxers suffering from dementia pugilistica.
(5) Elevated brain Al concentrations, especially in cortical regions, were associated with behavioral changes and the development of neurofibrillary tangles (NFTs).
(6) The smoky density of the mackerel was nicely offset by the pointed black olive tapenade and the fresh, zingy flavours present in little tangles of tomato, shallot, red pepper and spring onion, a layer of pea shoots and red chard, and the generous dressing of grassy olive oil.
(7) Changes were more severe in white matter close to cortical areas with a great density of neurofibrillary tangles.
(8) There is a tangled web between Salazar, Nike, Farah and the Nike Oregon Project on one hand, and the British Athletics performance director, Neil Black, and head of endurance, Barry Fudge, on the other.
(9) Whereas cortical senile plaque count did not distinguish well between demented and nondemented subjects, every subject with numerous cortical neurofibrillary tangles was demented.
(10) Clinical symptoms of amnesia appear when amyloid induces neighbouring neuritic alterations: paired helical filaments and distant neuronal body lesions: neurofibrillary tangles.
(11) Staggerer cerebellar cortex exhibits the greatest fluorescence with most terminals appearing as matted tangles adjacent cell bodies.
(12) Tangle-free neurons in both diseased and control brains showed weak to absent intracytoplasmic immunoreactivity.
(13) But tangled up in its visions of thousands of new “starter homes” – 5,000 more of which were promised on Monday, when the government said it was going to directly commission housebuilding on five sites in the south of England – are an array of drastic measures aimed at what remains of England’s council homes.
(14) The capacity for protein synthesis in tangled cells appears, therefore, to be progressively decreased with accumulation of tangle, whereas that for oxidative metabolism is maintained and lysosomal activity, perhaps, increased.
(15) On electron microscopy the normal lamellar pattern made up of orientated collagen fibrils all about 80 nm diameter is replaced by a random tangled pattern of much thinner irregularly curved fibrils, some as thin as 5nm.
(16) Eight brains failed to reveal considerable numbers of neuritic plaques, neurofibrillary tangles, and neuropil threads, but these brains showed the presence of abnormal and intensely argyrophilic grains loosely scattered throughout the neuropil.
(17) N-Terminal and C-terminal domains of tau were found to be present in tangles in situ.
(18) The neuropathological lesions were assessed using a fluorescent stain for neuritic plaques and neurofibrillary tangles.
(19) However, increased knowledge concerning macromolecular abnormalities in amyloid containing plaques and neurofibrillary tangles makes the outlook for a diagnostic test for AD on CSF promising.
(20) The trial, originally expected to be staid, has exposed severe dysfunction within Bo's family and detailed the complicated tangle of allegiances and affairs that led to his downfall .