(n.) A protoplasmic animal cell; esp., such as float free, like blood, lymph, and pus corpuscles; or such as are imbedded in an intercellular matrix, like connective tissue and cartilage corpuscles. See Blood.
Example Sentences:
(1) In telecost fishes, the corpuscles of Stannius contain Bowie-stainable granules and a renin-like pressor substance.
(2) Two types of mechanoreceptor have been found in the articular capsule of the knee joint of the domestic cat--Ruffini corpuscles and Pacinian corpuscles.
(3) Twenty-six rapidly adapting units (RA), eighteen slowly adapting units (SA) and ten Pacinian corpuscle units (PC) were differentiated from each other mainly on the presence of the off response in RA and PC units to a ramp stimulation, the persistence of discharges of the SA units during steady pressure on the receptive field and the classical tuning curve seen in the PC units.
(4) In the mouse, Meissner corpuscles, glomerular corpuscles, and Merkel cell nerve endings were seen in every palatine ruga, though the first antemolar ruga also contained simple and atypical lamellated corpuscles.
(5) Tumours which consist mainly of multiple touch corpuscles have not been described in the literature.
(6) Tubocurarine or hexonium application of decapsulated pacinian corpuscles led to depression of the sensitivity of the receptor to the mechanical stimulation that can also be explained by the participation of acetylcholine in the process of adequate receptor stimulation.
(7) Radioactivity from NaH14CO3 also was accumulated in soft tissues and corpuscles of T. taeniaeformis.
(8) The increasing excitability of the Pacinian corpuscle in potassium-rich solution was shown by electrophysiologic methods.
(9) Assuming that the 14C taken up by the corpuscles was in the form of 14CO3(2-), the ratio of Ca2+ to CO3(2-) accumulation in the corpuscles approximates the ratio of these constituents in dolomite: CaMg(CO3)2.
(10) The capsule is quite simple mostly formed by a single lamella of fibrocyte which often fails to form a continuous coat of the corpuscle.
(11) Colchicine application to the cat caudal mesenteric nerve containing sensory fibers for single mechanoreceptors (Pacinian corpuscles) causes degeneration of the axis cast of the nerve endings.
(12) We conclude that the inner core of Pacinian corpuscles is a unique micro-environment promoting sprouting of sensory axon in the normal human adult as well as juvenile Pacinian corpuscles.
(13) It was shown that cyclosporine induced cell depletion in the thymus cortical and medullar zones, inhibition of lymphocyte mitotic activity, alteration of the Hassall corpuscles and impairment of their formation.
(14) Ruffini-type corpuscles, 50-150 microns long and 25-50 microns wide, had the branched axon terminals with varicosities under the incomplete capsule.
(15) Cardiac blood films of all the fetuses stained by the Pappenheim's panoptic method showed Anaplasma marginale in two to 20% of red corpuscles.
(16) Antigenic stimulation of macrophages made it possible to investigate the dynamics of absorption and digestion of sheep corpuscles, as well as the morphology of this process.
(17) After the application of the fourth chemotherapy cycle, the patient presented microangiopathic hemolytic anemia associated to Mitomycin-C, which was treated with the application of recurrent plasmapheresis and restricted transfusions of red corpuscles concentrate.
(18) The major derivative possesses a paracrystalline corpuscle and the minor has an electron-dense area in the juxta-axonemal region.
(19) The shape of this age-related decline in the ratio corresponded well with the decrease in the number of Meissner corpuscles found in histological studies.
(20) One hundred renal corpuscles were counted per section and the parietal layer of Bowman's capsule was classified as normal (squamous) or metaplastic (cuboidal).
Protoplasmic
Definition:
(a.) Of or pertaining to the first formation of living bodies.
(a.) Of or pertaining to protoplasm; consisting of, or resembling, protoplasm.
Example Sentences:
(1) Fixation with buffered glutaraldehyde resulted in higher counts (P less than 0.01) of proximal protoplasmic droplets (2.47, 1.03, 0.67, and 1.43%, respectively, for glutaraldehyde, Hancock's, Blom's, and formol saline procedures).
(2) Small, diffusely GJP-IR cells were identified ultrastructurally as protoplasmic and fibrous astrocytes.
(3) Protoplasmic cylinders contained within such granules frequently were devoid of cell envelopes.
(4) The infected cells treated by this method showed light green fluorescence of the protoplasm, with a dark nucleus, while the intact cells had tile-red cytoplasm.
(5) That T-tubules isolated by disruption of triad junctions are constrained to have the protoplasmic (P) face uniformly exposed was experimentally confirmed.
(6) The morphological change of cerebral cortex astrocytes from protoplasmic to glial fibrillary acidic protein (GFAP)-containing cells is induced by injury.
(7) Pretreatment of mice by intravenous injection with killed Listeria provided neither delayed-type hypersensitivity to Listeria protoplasm nor protection against Listeria infection.
(8) The greatest motion of protoplasmic droplets was recorded in the caput epididymidis, although the migration of droplets from the proximal section of the connective part of the flagellum towards the distal parts could also be observed as far as in the cauda epididymidis in both animals.
(9) Thus staining techniques that have a propensity for the glial filaments such as antisera to glial fibrillary acidic protein and the gold-chloride method provide only a skeletal outline of the major processes of the protoplasmic astrocyte.
(10) Within this context, we would like to present a case discussion regarding a 27-month-old boy with a hypothalamic-midbrain protoplasmic glioma treated with primary chemotherapy after surgical biopsy and pathologic documentation.
(11) The toxin appears to be protoplasmic and is released into the surrounding environment upon autolysis of the cells.
(12) To improve the definitions, eliminate overlapping diagnostic categories, and sharpen the fuzzy boundaries that contribute substantially to limited reproducibility, we suggest: (1) the categories of astrocytoma nos, fibrillary astrocytoma, and protoplasmic astrocytoma be collapsed into a single category of astrocytoma; (2) the diagnostic category of desmoplastic medulloblastoma be combined with medulloblastoma; and (3) the criteria for anaplasia should be further refined to include quantification of critical histologic features, e.g., agreed upon operational definitions for amount of cell density, number of mitoses and pleomorphism for anaplastic astrocytoma and anaplastic ependymoma.
(13) They mainly concentrate on the membrane protoplasmic surface.
(14) The incompatibility reaction when vegetative or sexual R and V cells fuse is asymmetric: it is induced only in the R protoplasm.
(15) The intramembranous particles in the protoplasmic face of fractured membranes obtained from fresh cells incubated with 1 mM of Ca2+ were more scattered and their density was lower than in control cells.
(16) Morphometric analysis of the outgrowth zone revealed a statistically significant decrease in the incidence of fibroblastic-reactive microglial cells (from 12 to 0%), and a significant increase in the incidence of protoplasmic astrocytic-epithelial cells (from 82 to 96%), for AraC-treated explants compared to controls.
(17) Periplasmic bodies were most prevalent in the regions of the bud scars and were often accommodated within large invaginations in the protoplasmic membrane.
(18) However, electron microscopic immunocytochemical analysis of NG2 immunoreactive cells revealed a cell morphology consistent with that of protoplasmic astrocytes.
(19) (2) It has been shown that in protoplasmic drops the endoplasm-ectoplasm transformation is accompanied by an actin polymerization from the non-filamentous state to F-actin.
(20) These studies are based upon the observation that a number of experimental maneuvers can alter tissue permeability to water, but do not change the number of particle aggregates observed on the protoplasmic face of the granular cell's luminal membrane with freeze-fracture electron microscopy.