(a.) Resembling a hair; fine; minute; very slender; having minute tubes or interspaces; having very small bore; as, the capillary vessels of animals and plants.
(a.) Pertaining to capillary tubes or vessels; as, capillary action.
(n.) A tube or vessel, extremely fine or minute.
(n.) A minute, thin-walled vessel; particularly one of the smallest blood vessels connecting arteries and veins, but used also for the smallest lymphatic and biliary vessels.
Example Sentences:
(1) Electronmicroscopical investigations have revealed that, under normal conditions, a minor vesicular transfer of intravenously injected peroxidase occurs across the endothelium in segments of arterioles, capillaries and venules, especially in arterioles with a diameter about 15-30 mu.
(2) During capillary growth when endothelial cells (EC) undergo extensive proliferation and migration and pericytes are scarce, hyaluronic acid (HA) levels are elevated.
(3) The capillary-adipocyte distances were shorter and the vascularization density was higher in old rats.
(4) Within the capillary-perfused mucosa and muscularis (between 50 and 2000 microns from the urothelial surface), concentrations decreased by 50% for each 500-microns distance.
(5) The kidney disease was characterized by diffuse beaded deposition of rat gammaglobulin along the glomerular capillaries and proteinuria.
(6) The glomerular capillary is part of the arterial system and is better perceived as a "hemiarteriole."
(7) Their levels in urine are a useful indicator of the integrity of membrane barriers of the kidney glomerular capillary wall.
(8) Lisinopril increases cardiac output, and decreases pulmonary capillary wedge pressure and mean arterial pressure in patients with congestive heart failure refractory to conventional treatment with digitalis and diuretics.
(9) Combined study of lungs of 85 foetuses and newborns of various gestational age and 8 newborns dying during the first month of life showed the lung surfactant (LS) system to develop in parallel with formation of respiratory parts and lung capillary network.
(10) 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.
(11) It is suggested that intra-endothelial conduction of electrical signals from capillaries to the resistance vessels may be involved in the local regulation of blood flow in the intact heart.
(12) Whereas the tight junctions of endoneurial capillaries are known to prevent certain blood-borne substances from entering the endoneurium, it was not clear whether the permeability of the pulpal capillaries, which are distant from the nerve fibres, could affect the nerve fibre environment.
(13) The observations support the idea that the function of pericytes in the choriocapillaris, the major source of nutrition for the retinal photoreceptors, resides in their contractility, and that pericytes do not remove necrotic endothelium during capillary atrophy.
(14) Indirect methods to evaluate left ventricular function included the use of the Swan-Ganz catheter for pulmonary capillary wedge pressure measurement, systolic time intervals, and cardiac output.
(15) PFP-MAM is separated by capillary GC and identified mass spectrometrically by selected ion monitoring (SIM).
(16) The wall of the yolk sac thickens as a result of this infolding and the densely packed capillaries.
(17) Confluent monolayers of capillary endothelial cells derived from Mongolian gerbil brain were irradiated with a single exposure of x-rays, and their radiosensitivity and sequential changes in morphology, staining intensity for factor VIII-related antigen (F VIII RAg), and capacity to produce prostacyclin (PGI2) were examined.
(18) GC using the capillary columns proved suitable for mapping of the carbohydrate profile of human seminal fluid and for the analyses of organic compounds accumulating in human adipose tissue.
(19) We conclude that: 1) the effective capillary PO2 in the fetal brain can be significantly reduced by increasing the distance between non-methemoglobin-laden erythrocytes in capillaries and 2) hypoxic inhibition of fetal breathing probably arises from discrete areas of the brain having a PO2 less than 3 Torr.
(20) Under normal conditions (venous PO2 greater than or equal to 40 mm Hg), oxygen delivery to the muscle was maintained mainly by large increases in the capillary exchange capacity and the oxygen extraction ratio in accord with tissue demand following the application of the above stresses.
Oxyhaemoglobin
Definition:
(n.) Alt. of Oxyhemoglobin
Example Sentences:
(1) Oxyhaemoglobin (4 microns at 0.35 ml.min-1) infused into the tracheal circulation almost abolished the responses to bradykinin and methacholine.
(2) Arterial oxyhaemoglobin saturation (SaO2) was monitored continuously during normal labour in 33 healthy parturients receiving pethidine and nitrous oxide for analgesia.
(3) Hypoxaemia was graded into four values of oxyhaemoglobin saturation (SpO2).
(4) In conclusion, a dry sucrose network was recognized as a significant support to the native ferrous structure of oxyhaemoglobin, while the presence of water molecules, of assumed peroxidic radicals and the action of thermal vibrations favour the oxidation and denaturation of haemoglobin.
(5) Oxyhaemoglobin used for the assay of NO, inhibited the relaxation by SIN-1, but did not reduce vessel relaxations induced by GTN or iloprost, a stable prostacyclin analogue.
(6) These values are close to those for the FeO2- centre formed in the beta-chains of normal oxyhaemoglobin.
(7) The data show that nocturnal sleep has some adverse influence on oxygen balance in these patients as suggested by the occurrence of arterial oxyhaemoglobin desaturation occurring mainly during REM stages.
(8) These results indicate that O2 rather than oxyhaemoglobin is likely to initiate divicine oxidation in the erythrocyte.
(9) The inhibition was potentiated by superoxide dismutase (SOD) and reversed by oxyhaemoglobin (oxyHb).
(10) The alpha 1 alpha 2 interface involves similar salt bridges in both forms, but in oxyhaemoglobin buries 240 A2 more surface than in deoxyhaemoglobin.
(11) The inhibition of platelet aggregation obtained with non-treated or LPS-treated SMC was potentiated by superoxide dismutase (SOD, 60 u ml-1) and ablated by oxyhaemoglobin (OxyHb, 10 microM).
(12) The change of purple oxyhaemoglobin to the darker reduced haemoglobin and methaemoglobin was used as an initial visual growth indicator in continuously agitated, aerobic Colorbact bottles after inoculation with a broad assortment of aerobic and facultatively anaerobic bacteria previously isolated from blood cultures.
(13) We have accepted that oxyhaemoglobin (Oxy-Hb) is an important spasmogenic substance.
(14) Ventilatory rate and volume and arterial oxyhaemoglobin saturation were recorded continuously for the first 24 h following surgery.
(15) Human normal, adult and foetal oxyhaemoglobins and oxyhaemoglobins from leukaemic patients were studied, by Mössbauer spectroscopy.
(16) Assessment of the intensive care patient must take into account the effect of alterations of the oxyhaemoglobin dissociation curve which can either increase or diminish tissue oxygenation.
(17) There is a loosely packed beta 1 beta 2 interface burying 320 A2 of surface in oxyhaemoglobin; there is no beta 1 beta 2 interface in deoxyhaemoglobin.
(18) Incubation of tissues with oxyhaemoglobin or the induction of tolerance to GTN abolished responses occurring in Phase I but were without effect on Phase II relaxant responses.
(19) These phenomena were compared with the dichroism of oxyhaemoglobin.
(20) Methods using a single, alkaline cresolphthalein complexone reagent are most seriously affected by haemolysis due to persistence of oxyhaemoglobin.