(v.) One of the minute orifices in an animal or vegetable membrane, for transpiration, absorption, etc.
(v.) A minute opening or passageway; an interstice between the constituent particles or molecules of a body; as, the pores of stones.
(v. i.) To look or gaze steadily in reading or studying; to fix the attention; to be absorbed; -- often with on or upon, and now usually with over.
Example Sentences:
(1) The flow properties of white cells were tested after myocardial infarction, by measuring the filtration rates of cell suspensions through 8 microns pore filters.
(2) The functions of O-GlcNAc remain largely unknown, but it may be important in blocking phosphorylation sites, it may be required for the assembly of specific multiprotein complexes, it might serve as a nuclear transport signal, or it may be directly involved in the active transport of macromolecules across nuclear pores.
(3) The property of melittin pores is shown to be provided by the amino group of the N-terminal glycine residue.
(4) This force will be numerically similar to the net driving Starling force in small pores, but distinctly different in large pores.
(5) The penetration coefficient, determined by the surface tension, contact angle and viscosity, is a measure of the ability of a liquid to penetrate into a capillary space, such as interproximal regions, gingival pockets and pores.
(6) Morphometric analysis of pores and pore complexes shows their size, structure, and density to be similar to that of other mammalian cells.
(7) Nuclear pores were frequently tagged after estradiol treatment.
(8) The toxins all create pores in the cell membrane of target cells leading to eventual cell lysis and they appear to require Ca2+ for cytotoxic activity.
(9) Thus, alkaloid and insecticide modifications share many features but differ in how much the conducting properties of the pore are changed and whether the channel can close reversibly while the toxin remains bound.
(10) A minor portion of the lymph is produced also in the lymph-fold from where it is transported in the interstitial tissue either by transfer vesicles of the circulatory blood capillaries or by pores and fenestrae of the transudatory blood capillaries.
(11) In the cis-trans axis of the Golgi apparatus the following compartments were observed: (a) On the cis face there was a continuous osmiophilic tubular network referred to as the cis element; (b) a cis compartment composed of 3 or 4 NADPase-positive saccules perforated with pores in register forming wells that contained small vesicles; (c) a trans compartment composed of 1 or 2 TPPAse-positive elements underlying the NADPase ones, followed by 1 or 2 CMPase-positive elements that showed a flattened saccular part continuous with a network of anastomotic tubules.
(12) The channels studied here were more selective for monovalent cations than anions, but also showed some permeability to anions and larger electrolytes, suggesting a large functional pore diameter.
(13) Block by Ba2+, Ca2+, Mg2+, and Pt(NH3)4(2+) from the vacuolar and cytoplasmic sides is used to probe the structure of, and ion interactions within, the pore.
(14) The increased hindrance to diffusion of the probing molecules caused by the added solutes is considered as good evidence that the probing molecules diffuse by way of pores filled with water.6.
(15) We are reporting the effect of a cellulose acetate 0.20 micron filter (Flow Pore D26) on preparation of platelet poor plasma (PPP) for subsequent assay of platelet specific proteins.
(16) A further increase in silicon dioxide concentration produced tablets with relatively larger pore sizes.
(17) 1 hour after 1200 R X-ray irradiation the pore density in regenerating liver decreases 5.8-fold, consisting only of 1.7 PCs per 1 micron2 of the NE.
(18) The effect of increasing acetylcholine concentration can best be explained by postulating an increase in the effective channel radius of the water secretion pathway from 0.40 nm to 0.45 nm together with a small increase in the fraction of the total water flow passing through larger non-selective pores.
(19) A small helix is identified at the carboxy terminus of A2 which emerges through the central pore of the B subunits and probably comes into contact with the membrane upon binding, whereas the A1 subunit is flexible with respect to the B pentamer.
(20) Under conditions of chemotaxis with activated serum beneath the filter, the neutrophil population oriented at the filter surface with nuclei located away from the stimulus, centrioles and associated radial array of microtubules beneath the nuclei, and microfilament-rich pseudopods penetrating the filter pores.
Transudation
Definition:
(n.) The act or process of transuding.
(n.) Same as Exosmose.
Example Sentences:
(1) Narrowing and angulation of these veins could result in elevated back pressure favoring the formation of a transudate.
(2) Ascites fluid in liver cirrhosis and heart failure, representing a true transudate, had a comparatively low protein content while the ascites fluid in inflammatory bowel diseases including Crohn's disease had high protein content.
(3) The amount of the fluid flowing off the vessels, perfusate penetration into the intestinal lumen and its transudation through the serous membrane were determined.
(4) These effusions were borderline between exudates and transudates and showed little evidence of inflammation.
(5) Two mechanisms were proposed to explain these abnormalities: transudation of serum FFAs into the pancreatic duct and local production of arachidonic acid as a result of the damage to pancreatic cell membranes.
(6) Myxedema should be considered in the differential diagnosis of an unexplained pleural effusion no matter whether it is a transudate or an exudate.
(7) It is suggested that HSP-albumin may be used as a reliable marker of transudation of serum proteins to the genital tract.
(8) Under the conditions of this study, which included intravenous administration of cephalothin sodium preoperatively, intraoperatively, and postoperatively, the small intestinal transudate did not harbor enteric bacteria.
(9) Thus, the main anti-transudation mechanism of topical BUD is not related to modulation of BK-breakdown.
(10) However, during acute lung injury, LBP levels may rise by transudation and enhance activation of alveolar macrophages to release injurious mediators.
(11) With normal animals as with swine influenza animals, no serum antibody could be recovered neither in buccopharyngeal secretions nor in lung washings: it seems that in such conditions no detectable transudation occurs from blood to local secretions.
(12) Our results indicate that the determination of cholesterol levels is a simple and inexpensive method for distinguishing between transudate and exsudate.
(13) The activity of a nonlysosomal enzyme, i. e., lactic dehydrogenase, which was used as a marker of cell disruption and of serum transudation was the same as that of serum.
(14) We suggest that the sonographic finding of ascites and gallbladder wall thickening should be considered a valuable sign of transudative ascites and of portal hypertension whatever its cause.
(15) An algorithm for classifying effusions as transudates, modified transudates, or exudates is included, and each category is discussed.
(16) The frequent increase in CSF protein in cases of neurilemmoma is attributed to transudation of serum from abnormal vessels.
(17) Apart from these morphological changes that occur, the hydrodynamics of the transudate (from the tunica vasculosa lentis) and the aqueous humor from the ciliary epithelium appear to be essential components in the maintenance of the integrity of the anterior and posterior chambers.
(18) The differentiation of transudate and exudate is diagnostically as essential as a functional interpretation of the cell sediments of above all inflammatory effusions.
(19) The gingival fluid of the control subjects had a cAMP concentration of 2.4 X 10(-6) M, which was a hundredfold greater than that seen in serum, thus suggesting that the cAMP in the fluid resulted from active synthesis by the gingival cells and was not merely a transudate from the blood.
(20) Soluble IL-2R level in carcinomatous pleural effusions was found to be significantly higher (p less than 0.001) than that in sera of patients with carcinomatous pleural effusions and that in transudates.