(n.) The curve whose ordinates are proportional to the sines of the abscissas, the equation of the curve being y = a sin x. It is also called the curve of sines.
Example Sentences:
(1) These early hyperplastic lesions revealed stellate-shaped dilated bile canaliculi lined by blebs and abnormally thick elongated microvilli, a decreased number of microvilli on the sinusoidal surface, a marked increase in smooth endoplasmic reticulum, large nucleoli, and bundles of pericanalicular microfilaments.
(2) Time-qualified data series were analysed by means of chronobiological procedures in order to validate the circadian rhythm and to correlate the sinusoidal profiles.
(3) Electrophysiological studies were performed to determine whether or not ethanol potentiates the inhibitory effects of gamma-aminobutyric acid (GABA) on medial vestibular nucleus (MVN) neurons responding to horizontal sinusoidal rotation using alpha-chloralose anesthetized cats.
(4) At 2 h after injury sinusoidal enlargement of the axons was evident.
(5) The structural causes of zone dilatation have been described in Poulsen's disease: sinusoids are empty and dilated, with detritus-filled dilated perisinusoidal spaces.
(6) These parameters can be measured by subjecting the catheter to sinusoidally varying pressures at a wide variety of frequencies to obtain the frequency response.
(7) We studied the effect of symmetric, biphasic sinusoidal electromagnetic fields (EMF) (20 Hz, 6 mT) on the differentiation of normal human skin fibroblasts (HH-8), normal human lung fibroblasts (WI38), and SV40-transformed human lung fibroblasts (WI38SV40) in in vitro cultures.
(8) The threshold functions differ from those observed in patients with scala tympani electrodes, primarily at low sinusoidal frequencies and long pulse widths.
(9) This experimental model excludes the interference of subjective factors, such as erotic stimuli and libido on erection, and it seems that androgen deficiency has a direct effect on the neurophysiology of the erectile tissues resulting in a higher tonus of the detumescence factors, which can be explained by an incomplete relaxation of the sinusoidal smooth muscle.
(10) Anticollagen type III antibody stained hepatocytes and thin connective tissue fibres, while anticollagen type I antibody stained thicker fibres and some sinusoidal cells but not hepatocytes.
(11) If this time waveform is derived from repeated bursts of sinusoidal tone, the second mechanism might be the sole pitch mechanism.
(12) The responses of afferents were further studied using sinusoidal and trapezoidal stimuli aligned as closely as possible with the orientation of their response vector.
(13) Visual response latencies and rise times of X and Y ganglion cells recorded in the optic tract of anaesthetized, paralyzed cats were measured during repeated stimulation with sinusoidal gratings.
(14) The fully developed wreath around the Graafian follicle consists of sinusoidal capillaries.
(15) In cirrhosis, positive staining may be related to the transformation of hepatic sinusoids into true capillaries and thus be a marker of the severity of physiological disturbance in the liver.
(16) The fine structural characteristics and phagocytic properties of peroxidase-positive and peroxidase-negative cells in rat hepatic sinusoids were investigated.
(17) Stimuli used to activate the cells orthodromically were graded innocuous and noxious mechanical stimuli, including sinusoidal vibration and thermal pulses.
(18) The three mesenchymal cell types of the sinusoidal wall possessed the centriole in common within the Golgi complex, but only the fat-storing cell was provided with the single cilium.
(19) We have compared the responses of simple cells to laterally moving sinusoidal gratings and to stationary temporally-modulated gratings.
(20) Subsequently, microvilli on sinusoidal surfaces were disrupted or lost.
Venous
Definition:
(a.) Of or pertaining to a vein or veins; as, the venous circulation of the blood.
(a.) Contained in the veins, or having the same qualities as if contained in the veins, that is, having a dark bluish color and containing an insufficient amount of oxygen so as no longer to be fit for oxygenating the tissues; -- said of the blood, and opposed to arterial.
(a.) Marked with veins; veined; as, a venous leaf.
Example Sentences:
(1) This should not be a serious limitation to the application of the RIA in the detection of venous thrombosis.
(2) Graft life is even more prolonged with patch angioplasty at venous outflow stenoses or by adding a new segment of PTFE to bypass areas of venous stenosis.
(3) Using multiple regression, a linear correlation was established between the cardiac index and the arterial-venous pH and PCO2 differences throughout shock and resuscitation (r2 = .91).
(4) Plasmin-alpha 2-antiplasmin complex was not detected in any of the subjects after venous occlusion.
(5) At present it may be concluded that ORT per se does not place the postmenopausal women at greater risk from developing arterio-venous thrombosis.
(6) These results indicate that during IPPV the increased Pcv attenuates the pressure gradient for venous return and decreases CO and that the compensatory increase in Psf is caused by a blood shift from unstressed to stressed blood volume.
(7) Patients with inflammatory bowel disease showed decreased tissue-type plasminogen activator antigen release (t-PA Ag), no significant Von Willebrand antigen release (vWF Ag), and a residual plasminogen activator inhibitor activity (PAI activity) after venous occlusion.
(8) We describe 10 patients with cerebral venous thrombosis: two had protein S deficiency, one had protein C deficiency, one was in early pregnancy, and there was a single case of each of the following: dural arteriovenous malformation, intracerebral arteriovenous malformation, bilateral glomus tumours, systemic lupus erythematosus, Wegener's granulomatosis, non-Hodgkin's lymphoma.
(9) PNS at 7 Hz approximately doubled mesenteric venous plasma levels of PGE2 in both 16-week-old SHR and WKY, but PNS did not increase levels of 6-keto-PGF1 alpha in either strain.
(10) It facilitated the acquisition of quantitative velocity information with standard Doppler ultrasound techniques by identifying areas of high velocity or turbulent flow and was invaluable in the assessment of anomalous pulmonary venous drainage occurring either as an isolated anomaly or in conjunction with complex intracardiac lesions.
(11) Criteria for DOP administration were systolic blood pressure less than 100 mmHg and central venous pressure greater than 15 cmH2O.
(12) At constant arterial pO2, changes in coronary flow were associated with changes in energy-rich phosphates, but not systematically with changes in coronary venous pO2.
(13) Water immersion (WI) to the neck induces prompt increases in central blood volume, central venous pressure, and atrial distension.
(14) A fiberoptic flow-directed catheter inserted into the hepatic vein continuously measures hepatic venous oxygen hemoglobin saturation (ShvO2).
(15) Tachycardia, pulmonary hypertension, increased venous oxygen desaturation, and increasing core temperature develop as the syndrome progresses.
(16) Furthermore, the changes in both interstitial fluid and testicular venous blood levels of testosterone do not always parallel those in peripheral venous blood, suggesting that changes in testicular blood flow and peripheral clearance rates of testosterone may also be important in the control of circulating testosterone concentrations.
(17) It was also demonstrated that the plexus of the median eminence is, at its periphery, in direct communication with the systemic venous twigs.
(18) Portal venous blood flow was reduced by approximately 30%.
(19) The concomitant reduction in aortic pressure and increase in heart rate following total occlusion of the portal vein were most pronounced during the first weeks after stenosis, and were probably due to diminished venous return to the heart.
(20) When collateral marginal vessels were eliminated, adjacent arterial blood flow decreased to control levels and venous flow virtually stopped.