(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.
Vein
Definition:
(n.) One of the vessels which carry blood, either venous or arterial, to the heart. See Artery, 2.
(n.) One of the similar branches of the framework of a leaf.
(n.) One of the ribs or nervures of the wings of insects. See Venation.
(n.) A narrow mass of rock intersecting other rocks, and filling inclined or vertical fissures not corresponding with the stratification; a lode; a dike; -- often limited, in the language of miners, to a mineral vein or lode, that is, to a vein which contains useful minerals or ores.
(n.) A fissure, cleft, or cavity, as in the earth or other substance.
(n.) A streak or wave of different color, appearing in wood, and in marble and other stones; variegation.
(n.) A train of association, thoughts, emotions, or the like; a current; a course.
(n.) Peculiar temper or temperament; tendency or turn of mind; a particular disposition or cast of genius; humor; strain; quality; also, manner of speech or action; as, a rich vein of humor; a satirical vein.
(v. t.) To form or mark with veins; to fill or cover with veins.
Example Sentences:
(1) These immunocytochemical studies clearly demonstrated that cells encountered within the fibrous intimal thickening in the vein graft were inevitably smooth muscle cell in origin.
(2) The statistical T value calculated for the LP-TAE group showed that the administration of LP, the tumor size, intrahepatic metastasis, portal vein infiltration, and serum total bilirubin and alpha-fetoprotein levels significantly (P < 0.01) affected the patients' survival.
(3) Evaluation revealed tricuspid insufficiency, a massively dilated right internal jugular vein, and obstruction of the left internal jugular vein.
(4) If tracer is introduced into the carotid artery after osmotic treatment, brain uptake is increased by a net factor of 50 (a factor of 70 due to elevation of PA, multiplied by 7 due to infusion by the carotid route) as compared to uptake by normal, untreated brain with infusion into a peripheral vein.
(5) This observation, reinforced by simultaneous determinations of cortisol levels in the internal spermatic and antecubital veins, practically excluded the validity of the theory of adrenal hormonal suppression of testicular tissues.
(6) An anatomic study of the peroneal artery and vein and their branches was carried out on 80 adult cadaver legs.
(7) An intravenous bolus of 300 micrograms.kg-1 of 3-desacetylvecuronium was rapidly injected into the jugular vein.
(8) In one of the cirrhotic patients, postmortem correlation of sonographic, angiographic, and pathological findings showed that the dilated vessels seen on sonography were cystic veins draining normally into the portal vein rather than portosystemic anastomoses.
(9) Rapid injection of 2 m Ci TC 99m into a dorsal vein of the foot produced isotope phlebograms with a Dyna camera 2 C.
(10) The superior mesenteric artery and the abdominal aorta made the mean angle of 35.5 degree in patients with normal left renal vein, the mean angle of 45.4 degrees in those with left renal vein compression without nutcracker phenomenon, and the mean angle of 11.9 degrees in those with nutcracker phenomenon.
(11) Blood samples were collected from an antecubital vein at sea level (S1), in a base camp at 1515 m prior to the summit ascent (S2), on the summit at 3285 m after 6.5 hours of climbing (S3), at base camp immediately after the descent (S4), and at sea level following a trail descent from the base camp (S5).
(12) The most frequent source of the pulmonary circulation thromboembolism was the lower limb veins.
(13) A patient with a history of hypertension had a combined central retinal artery and vein occlusion in one eye.
(14) It is usually associated with a left superior caval vein draining into the coronary sinus and is frequently part of a complex congenital malformation of the heart.
(15) It is concluded that the transcutaneous ultrasound technique provides a reliable, rapidly available, non-invasive method to confirm the diagnosis of deep vein thrombosis.
(16) A fiberoptic flow-directed catheter inserted into the hepatic vein continuously measures hepatic venous oxygen hemoglobin saturation (ShvO2).
(17) The angiographic demonstration of veins was similarly improved by the 2 drugs, the effect of 60 mug.
(18) Attention is paid to the set of problems connected with the nonthrombotic insufficiency of the conducting veins of the leg.
(19) In the other, the proximal fibula was excised and the epiphysis placed across the saphenous artery and vein in the groin.
(20) Our results show that stenosis of about one-third of the original external diameter of the artery and vein of the pedicle in our model did not have any significant influence on the survival of the flap and ligation of the femoral artery distal to the branch to the flap did not produce any statistical difference in the viability of the flap.