(n.) An unshaped piece or mass of wood or other substance.
(n.) A cluster; a group; a thicket.
(n.) The compressed clay of coal strata.
(v. t.) To arrange in a clump or clumps; to cluster; to group.
(v. i.) To tread clumsily; to clamp.
Example Sentences:
(1) Thirty-eight fluids were found to have crystals (monosodium urate (MSU) in 15, calcium pyrophosphate dihydrate (CPPD) in 5, CPPD plus apatite-like crystals in 9, apatite-like clumps alone in 8 and lipid liquid in 1).
(2) These particles were clumped by the addition of anti-HTLV-III-positive serum suggesting that they may represent intermediate forms of the virus.
(3) The compound caused extensive clumping, of cells, which appeared not to be related to the ability of boronates to esterify to diols.
(4) Central nervous system (CNS) cultured neurons while exposed to different concentrations and pH of L-lactic acid exhibited in general chromatin clumping, vacuolization in the cytoplasm, appearance of lipid bodies, accumulation of polyribosomes, cytoplasmic lucency and swollen and aggregation of mitochondria.
(5) Data presented demonstrate that the slide preparation and clump evaluation procedures used for this study yield reliable and reproducible data.
(6) Electron microscopy indicates that the major structural alterations produced by exposure to concentrated BWSV and 20 mM calcium Ringer solution are the swelling of nerve terminal mitochondria and the clumping of synaptic vesicles, large numbers of which remain in the terminals.
(7) There were marked margination of nuclear clumping chromatins.
(8) After collagenase and elastase digestion, bovine ligamentum nuchae showed type VI collagen fibrils and clumps of beaded fibrils like those in zonule and vitreous.
(9) Subsequently (35-hr pupa) the DLM commences to degenerate, forming random clumps of vacuolated muscle tissue.
(10) These deeper ipsilateral clumps occupied a rather well defined layer extending in depth from about 100 mum to about 175 mum.
(11) Consequently, eggs and feces would not be deposited uniformly throughout the hosts home range, resulting in a clumped distribution of larval development sites at host resting areas.
(12) Fibrin could be seen around some of the platelet clumps and was the main component in a small number of the thrombi in two patients.
(13) In comparison with the controls, the isoproterenol-treated (Group A), the Ca-treated (Group B), and the diltiazem-posttreated (Groups E and F) showed severe myocardial cell damage, such as sarcolemmal disruption, mitochondrial swelling, intramitochondrial electron-dense granules, membranous structures along mitochondrial cristae, thickening or close packing of the Z-lines, separation of cell junctions, frayed myofibrils, clumping of chromatin, and intracellular fluid accumulation.
(14) The beneficial effects of D in AMI reported here could be partly attributed to its ability to enhance PGI2 release from vascular walls; D might also relieve ischemia by improvement of local tissue oxygenation, energy supplies and platelet function by its ability to deaggregate platelet clumps.
(15) It is proposed that the presence of cytophilic antibodies on immune macrophages represents an expression of antibacterial cellular immunity by enhanced clumping and phagocytic activities of the macrophages.
(16) Immediately after the induction of agglutination, wild-type cells begin to form aggregates, and within 30 min the cells are packed side-to-side in clumps containing thousands of cells.
(17) Following one or more hours of ischaemia crater-like depressions and blebs appeared on the luminal surfaces of ventricular endothelial cells, with margination and clumping of nuclear chromatin, loss of glycogen granules, swelling of mitochondria, and the development of subendothelial membrane-bound dilatations of myocytes.
(18) They formed clumps of cells, mainly pairs and triplets.
(19) These cells were disseminated throughout the lymphoid tissue or grouped in clumps, in plaques or, more rarely, as true follicles.
(20) In the patients with long-term disease there was widespread atrophy of the choroid and pigment epithelium and variable amounts of pigment clumping and subretinal fibrous tissue deposition.
Tussock
Definition:
(n.) A tuft, as of grass, twigs, hair, or the like; especially, a dense tuft or bunch of grass or sedge.
(n.) Same as Tussock grass, below.
(n.) A caterpillar of any one of numerous species of bombycid moths. The body of these caterpillars is covered with hairs which form long tufts or brushes. Some species are very injurious to shade and fruit trees. Called also tussock caterpillar. See Orgyia.
Example Sentences:
(1) There was no difference in LC50 between the two strains to larvae of spruce budworm (Choristoneura fumiferana), gypsy moth (Lymantria dispar), eastern hemlock looper (Lambdina fiscellaria fiscellaria), and whitemarked tussock moth (Orgyia leucostigma), whether expressed as total alkaline soluble protein, activated toxin protein, or International Units as determined by bioassay against Trichoplusia ni.
(2) An unusually heavy infestation of the tussock moth resulted in a high incidence of symptoms affecting the skin and mucous membranes of those exposed to high concentrations of particulate matter of this insect.
(3) Tall grass tussocks used as shelter by the latter have been grazed down by the ruminants, and replaced by "marsupial lawns" or xeric spinifex, depending on locality, thereby improving the food supplies for the plains kangaroo and the hill kangaroo, respectively.
(4) Moth hairs shed by the few tussock moths caught during the first documented outbreak of pruritic dermatitis in Singapore were investigated to provide evidence for the presence of histamine.
(5) Scanning and transmission electron microscopy (SEM and TEM) revealed unique structures and development of the venomous spicules of tussock moth caterpillars of the genus Euproctis: (1) Flower-like structure at the distal end and a longitudinal minute depression on the proximal subapical wall of these spicules were observed by SEM.
(6) We concluded that histamine was present in the tussock moth hairs and was involved as one of the inflammatory mediators responsible for the pruritic skin rashes.
(7) There was a cause and effect relationship between the adverse symptoms and the exposure to tussock moth larvae.
(8) The outbreak was associated with a transient increase in tussock moths in the residential estate following an unusual, short dry spell.
(9) At 4,800m, even the golden tussock grass had given up and there was nothing, only the jagged peaks rising from a barren plain.
(10) Monochromatic radiation at wavelengths of 290, 300, 310, and 320 nm inactivated occluded nuclear polyhedrosis virus of the Douglas-fir tussock moth, Orgyia pseudotsugata (McDunnough).
(11) A heavy infestation of the tussock moth caterpillar (Orgyia pseudotsugata McDonnough) in forested areas of Oregon was associated with itching of the skin and eyes, nasal discharge, cough, and, at times, respiratory difficulty, Personal interviews and inspection of forty-one occupationally exposed persons were supplemented by a questionnaire administered to 428 individuals, composing three groups at various degrees of risk and a control group.
(12) It was a watery anomaly, a pond in dunes, surrounded by thick tussocks of sand sedge many, many miles from the sea.
(13) Nuclear inclusion bodies are found in the hemocytes of all tussock moth larvae parasitized by the braconid wasp Apanteles melanoscelus.
(14) The sex pheromone of the Douglass-fir tussock moth Orgyia pseudotsugata (McDunnough) has been isolated and identified as (Z)-6-heneicosen-11-one.