(n.) The shape and structure of anything, as distinguished from the material of which it is composed; particular disposition or arrangement of matter, giving it individuality or distinctive character; configuration; figure; external appearance.
(n.) Constitution; mode of construction, organization, etc.; system; as, a republican form of government.
(n.) Established method of expression or practice; fixed way of proceeding; conventional or stated scheme; formula; as, a form of prayer.
(n.) Show without substance; empty, outside appearance; vain, trivial, or conventional ceremony; conventionality; formality; as, a matter of mere form.
(n.) That by which shape is given or determined; mold; pattern; model.
(n.) A long seat; a bench; hence, a rank of students in a school; a class; also, a class or rank in society.
(n.) The seat or bed of a hare.
(n.) The type or other matter from which an impression is to be taken, arranged and secured in a chase.
(n.) The boundary line of a material object. In painting, more generally, the human body.
(n.) The particular shape or structure of a word or part of speech; as, participial forms; verbal forms.
(n.) The combination of planes included under a general crystallographic symbol. It is not necessarily a closed solid.
(n.) That assemblage or disposition of qualities which makes a conception, or that internal constitution which makes an existing thing to be what it is; -- called essential or substantial form, and contradistinguished from matter; hence, active or formative nature; law of being or activity; subjectively viewed, an idea; objectively, a law.
(n.) Mode of acting or manifestation to the senses, or the intellect; as, water assumes the form of ice or snow. In modern usage, the elements of a conception furnished by the mind's own activity, as contrasted with its object or condition, which is called the matter; subjectively, a mode of apprehension or belief conceived as dependent on the constitution of the mind; objectively, universal and necessary accompaniments or elements of every object known or thought of.
(n.) The peculiar characteristics of an organism as a type of others; also, the structure of the parts of an animal or plant.
(n.) To give form or shape to; to frame; to construct; to make; to fashion.
(n.) To give a particular shape to; to shape, mold, or fashion into a certain state or condition; to arrange; to adjust; also, to model by instruction and discipline; to mold by influence, etc.; to train.
(n.) To go to make up; to act as constituent of; to be the essential or constitutive elements of; to answer for; to make the shape of; -- said of that out of which anything is formed or constituted, in whole or in part.
(n.) To provide with a form, as a hare. See Form, n., 9.
(n.) To derive by grammatical rules, as by adding the proper suffixes and affixes.
(v. i.) To take a form, definite shape, or arrangement; as, the infantry should form in column.
(v. i.) To run to a form, as a hare.
Example Sentences:
(1) All mutant proteins could associate with troponin I and troponin T to form a troponin complex.
(2) Such a signal must be due to a small ferromagnetic crystal formed when the nerve is subjected to pressure, such as that due to mechanical injury.
(3) These data suggest that the hybrid is formed by the same mechanism in the absence and presence of the urea step.
(4) The interaction of the antibody with both the bacterial and the tissue derived polysialic acids suggests that the conformational epitope critical for the interaction is formed by both classes of compounds.
(5) In Patient 2 they were at first paroxysmal and unformed, with more prolonged metamorphopsia; later there appeared to be palinoptic formed images, possibly postictal in nature.
(6) Aggregation was more frequent in low-osmolal media: mainly rouleaux were formed in ioxaglate but irregular aggregates in non-ionic media.
(7) The various evocational changes appear to form sets of interconnected systems and this complex network seems to embody some plasticity since it has been possible to suppress experimentally some of the most universal evocational events or alter their temporal order without impairing evocation itself.
(8) Virtually every developed country has some form of property tax, so the idea that valuing residential property is uniquely difficult, or that it would be widely evaded, is nonsense.
(9) The oral nerve endings of the palate, the buccal mucosa and the periodontal ligament of the cat canine were characterized by the presence of a cellular envelope which is the final form of the Henle sheath.
(10) We similarly evaluated the ability of other phospholipids to form stable foam at various concentrations and ethanol volume fractions and found: bovine brain sphingomyelin greater than dipalmitoyl 3-sn-phosphatidylcholine greater than egg sphingomyelin greater than egg lecithin greater than phosphatidylglycerol.
(11) Because cystine in medium was converted rapidly to cysteine and cysteinyl-NAC in the presence of NAC and given that cysteine has a higher affinity for uptake by EC than cystine, we conclude that the enhanced uptake of radioactivity was in the form of cysteine and at least part of the stimulatory effect of NAC on EC glutathione was due to a formation of cysteine by a mixed disulfide reaction of NAC with cystine similar to that previously reported for Chinese hamster ovarian cells (R. D. Issels et al.
(12) The absorption of ingested Pb is modified by its chemical and physical form, by interaction with dietary minerals and lipids and by the nutritional status of the individual.
(13) The role of Ca2+ in cell agglutination may be either to activate the cell-surface dextran receptor or to form specific intercellular Ca2+ bridges.
(14) It involves creativity, understanding of art form and the ability to improvise in the highly complex environment of a care setting.β David Cameron has boosted dementia awareness but more needs to be done Read more She warns: βTo effect a cultural change in dementia care requires a change of thinking β¦ this approach is complex and intricate, and can change cultural attitudes by regarding the arts as central to everyday life of the care home.β Another participant, Mary*, a former teacher who had been bedridden for a year, read plays with the reminiscence arts practitioner.
(15) Most of the radioactivity in spleen cells from these rats were associated with antigen-reactive cells which formed rosettes specifically with HO erythrocytes.
(16) Even with hepatic lipase, phospholipid hydrolysis could not deplete VLDL and IDL of sufficient phospholipid molecules to account for the loss of surface phospholipid that accompanies triacylglycerol hydrolysis and decreasing core volume as LDL is formed (or for conversion of HDL2 to HDL3).
(17) The origins of aging of higher forms of life, particularly humans, is presented as the consequence of an evolved balance between 4 specific kinds of dysfunction-producing events and 4 kinds of evolved counteracting effects in long-lived forms.
(18) The findings clearly reveal that only the Sertoli-Sertoli junctional site forms a restrictive barrier.
(19) The procedure used in our laboratory was not able to provide accurate determination of the concentrations of these binding forms.
(20) Pokeweed mitogen-stimulated rat spleen cells were identified as a reliable source of rat burst-promoting activity (PBA), which permitted development of a reproducible assay for rat bone marrow erythroid burst-forming units (BFU-E).
Stem
Definition:
(v. i.) Alt. of Steem
(n.) Alt. of Steem
(n.) The principal body of a tree, shrub, or plant, of any kind; the main stock; the part which supports the branches or the head or top.
(n.) A little branch which connects a fruit, flower, or leaf with a main branch; a peduncle, pedicel, or petiole; as, the stem of an apple or a cherry.
(n.) The stock of a family; a race or generation of progenitors.
(n.) A branch of a family.
(n.) A curved piece of timber to which the two sides of a ship are united at the fore end. The lower end of it is scarfed to the keel, and the bowsprit rests upon its upper end. Hence, the forward part of a vessel; the bow.
(n.) Fig.: An advanced or leading position; the lookout.
(n.) Anything resembling a stem or stalk; as, the stem of a tobacco pipe; the stem of a watch case, or that part to which the ring, by which it is suspended, is attached.
(n.) That part of a plant which bears leaves, or rudiments of leaves, whether rising above ground or wholly subterranean.
(n.) The entire central axis of a feather.
(n.) The basal portion of the body of one of the Pennatulacea, or of a gorgonian.
(n.) The short perpendicular line added to the body of a note; the tail of a crotchet, quaver, semiquaver, etc.
(n.) The part of an inflected word which remains unchanged (except by euphonic variations) throughout a given inflection; theme; base.
(v. t.) To remove the stem or stems from; as, to stem cherries; to remove the stem and its appendages (ribs and veins) from; as, to stem tobacco leaves.
(v. t.) To ram, as clay, into a blasting hole.
(v. t.) To oppose or cut with, or as with, the stem of a vessel; to resist, or make progress against; to stop or check the flow of, as a current.
(v. i.) To move forward against an obstacle, as a vessel against a current.
Example Sentences:
(1) However, CT will be insensitive in the detection of the more cephalic proximal lesions, especially those in the brain stem, basal cisterns, and skull base.
(2) Based on our results, we propose the following hypotheses for the neurochemical mechanisms of motion sickness: (1) the histaminergic neuron system is involved in the signs and symptoms of motion sickness, including vomiting; (2) the acetylcholinergic neuron system is involved in the processes of habituation to motion sickness, including neural store mechanisms; and (3) the catecholaminergic neuron system in the brain stem is not related to the development of motion sickness.
(3) The examination of the standard waves' amplitude and latency of the brain stem auditory evoked response (BAEP) was performed in 20 guinea pigs (males and females, weighing 250 to 300 g).
(4) A previous trial into the safety and feasibility of using bone marrow stem cells to treat MS, led by Neil Scolding, a clinical neuroscientist at Bristol University, was deemed a success last year.
(5) Proliferation of quiescent hematopoietic stem cells, purified by cell sorting and evaluated by spleen colony assay (CFU-S), was investigated by measuring the total cell number and CFU-S content and the DNA histogram at 20 and 48 hours of liquid culture.
(6) The last stems from trends such as declining birth rate, an increasingly mobile society, diminished importance of the nuclear family, and the diminishing attractiveness of professions involved with providing maintenance care.
(7) Following BHT administration, the alveolar stem cells (type II pneumocytes) proliferate and differentiate according to a biphasic pattern, with proliferative peaks at d 3 and 7.
(8) In testing the contribution of the long, curved stem to the torsional stability of uncemented prostheses by comparing it with other stems, the long, curved stem was the most stable, followed by a shorter straight stem, and a short, proximally curved stem.
(9) For example, stem pairing with a sequence other than wild-type resulted in normal protein binding in vitro but derepression of protein synthesis in vivo.
(10) These results indicate that this population (approximately 0.1% of bone marrow) may contain the pluripotent hematopoietic stem cell.
(11) Brain-stem CBF varied the most but did not correlate with clinical signs of brain-stem dysfunction.
(12) We infer from these results that endotoxin ameliorates the cyclical changes in blood cell counts by regulating hematopoietic proliferative activity at the stem cell level.
(13) The effects of inhibitors of aldehyde dehydrogenase activity on the sensitivity of murine pluripotent hematopoietic stem cells to oxazaphosphorine anticancer agents, e.g.
(14) Three strains of fluorescent pseudomonads (IS-1, IS-2, and IS-3) isolated from potato underground stems with roots showed in vitro antibiosis against 30 strains of the ring rot bacterium Clavibacter michiganensis subsp.
(15) This has stemmed from an inadequate understanding of the mechanisms involved in the formation and propagation of this condition.
(16) We therefore think that the detailed examination of CALLA(-) non-T non-B ALL cells using myeloid specific antibodies is helpful in clarifying the characteristics of myeloid precursors and the common bipotential stem cell of lymphoid and myeloid progenitors.
(17) Imaging studies had shown no change in his brain stem lesion, which at autopsy was found to be a focal collection of fibrillary astrocytes.
(18) These cells were hypothesized to be the stem cells for the corneal epithelium.
(19) Auditory brain stem potentials (ABP) were recorded in 27 patients with Bell's palsy during the early phase of the disease and 1-3 months later.
(20) The results indicate that stimulation of trigeminal subnucleus caudalis, a brain stem region that processes nociceptor afferent information, evokes a prompt increase in plasma ACTH.