(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.
Spiderwort
Definition:
(n.) An American endogenous plant (Tradescantia Virginica), with long linear leaves and ephemeral blue flowers. The name is sometimes extended to other species of the same genus.
Example Sentences:
(1) Cells from immature stamen hairs of the spiderwort plant Tradescantia virginiana cv.
(2) The normally predictable duration of metaphase in stamen hair cells from the spiderwort, Tradescantia virginiana, is shortened significantly by treatment during prometaphase with either ruthenium red or Bay K-8644.
(3) Stamen hair cells from the spiderwort plant, Tradescantia virginiana, exhibit remarkably predictable metaphase transit times, making them uniquely suitable for temporal studies on mitotic regulation.
(4) We have treated stamen hair cells of the spiderwort plant, Tradescantia virginiana, with a solution of quin2 (50 microM) or its acetoxymethyl ester, quin2-AM (50 microM) and have retarded the normally predictable rate of progression through metaphase.