(n.) One of the vessels or tubes which carry either venous or arterial blood from the heart. They have tricker and more muscular walls than veins, and are connected with them by capillaries.
(n.) Hence: Any continuous or ramified channel of communication; as, arteries of trade or commerce.
Example Sentences:
(1) In contrast, arteries which were exposed to CO showed a higher uptake of cholesterol as compared to their corresponding control.
(2) Direct fetal digitalization led to a reduction in umbilical artery resistance, a decline in the abdominal circumference from 20.3 to 17.8 cm, and resolution of the ascites within 72 h. Despite this dramatic response to therapy, fetal death occurred on day 5 of treatment.
(3) Arterial compliance of great vessels can be studied through the Doppler evaluation of pulsed wave velocity along the arterial tree.
(4) We conclude that chronic emphysema produced in dogs by aerosol administration of papain results in elevated pulmonary artery pressure, which is characterized pathologically by medial hypertrophy of small pulmonary arteries.
(5) Following central retinal artery ligation, infarction of the retinal ganglion cells was reflected by a 97 per cent reduction in the radioactively labeled protein within the optic nerve.
(6) Each process has been linked to the regulation of cholesterol accretion in the arterial cell.
(7) The adjacent gauge was separated from the ischemic segment by one large nonoccluded diagonal branch of the left anterior descending artery.
(8) Of 19 patients with coronary artery disease and "normal" omnicardiograms, only 8 (42%) had normal ventricular angiography.
(9) The main finding of this study is that diabetic adolescents with a high erythrocyte Na,Li countertransport rate have an arterial pressure significantly higher than patients with normal Na,Li countertransport fluxes.
(10) All the women had vaginal ultrasound velocimetry studies in both mainstem uterine arteries through the parametrium before the surgical procedure and again after the procedure.
(11) The origin of the aorta and pulmonary artery from the right ventricle is a complicated and little studied congenital cardiac malformation.
(12) The remaining case had a calibre persistent submucosal artery within the caecum that was found incidentally in a resection specimen.
(13) In patients with coronary artery disease, electrocardiographic signs of left atrial enlargement (LAE-negative P wave deflection greater than or equal to 1 mm2 in lead V1) are associated with increased left ventricular end diastolic pressure (LVEDP).
(14) Concentrations of several gastrointestinal hormonal peptides were measured in lymph from the cisterna chyli and in arterial plasma; in healthy, conscious pigs during ingestion of a meal.
(15) 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).
(16) We studied the hemodynamic changes caused by bronchoscopy under LA in mechanically ventilated patients and the effect of LA on the endoscopic decline in arterial pO2.
(17) The article describes an unusual case with development of a right anterior mediastinal mass after bypass surgery with internal mammary artery grafts.
(18) Arteries treated with atrial natriuretic peptide showed no alterations in relaxation or cGMP content after incubation with pertussis toxin.
(19) Myocardial ischaemia was induced in perfused rabbit hearts by ligating the left main coronary artery.
(20) Arterial oxyhaemoglobin saturation (SaO2) was monitored continuously during normal labour in 33 healthy parturients receiving pethidine and nitrous oxide for analgesia.
Efferent
Definition:
(a.) Conveying outward, or discharging; -- applied to certain blood vessels, lymphatics, nerves, etc.
(a.) Conveyed outward; as, efferent impulses, i. e., such as are conveyed by the motor or efferent nerves from the central nervous organ outwards; -- opposed to afferent.
(n.) An efferent duct or stream.
Example Sentences:
(1) The present results provide no evidence for a clear morphological substrate for electrotonic transmission in the somatic efferent portion of the primate oculomotor nucleus.
(2) While the heaviest anterogradely labeled ascending projections were observed to the contralateral ventral posterolateral nucleus of the thalamus, pars oralis (VPLo), efferent projections were also observed to the contralateral ventrolateral thalamic nucleus (VLc) and central lateral (CL) nucleus of the thalamic intralaminar complex, magnocellular (and to a lesser extent parvicellular) red nucleus, nucleus of Darkschewitsch, zona incerta, nucleus of the posterior commissure, lateral intermediate layer and deep layer of the superior colliculus, dorsolateral periaqueductal gray, contralateral nucleus reticularis tegmenti pontis and basilar pontine nuclei (especially dorsal and peduncular), and dorsal (DAO) and medial (MAO) accessory olivary nuclei, ipsilateral lateral (external) cuneate nucleus (LCN) and lateral reticular nucleus (LRN), and to a lesser extent the caudal medial vestibular nucleus (MVN) and caudal nucleus prepositus hypoglossi (NPH), and dorsal medullary raphe.
(3) Furthermore, the local interneurons make extensive efferent synaptic connections with unidentified neurons in the terminal medulla.
(4) Efferent units with spontaneous activity were uncommon at the start of the recording sessions but were more frequently encountered later in the experiments.
(5) Axotomy should be a useful tool for determining which other neurotransmitter receptors are produced by facial motoneurons and efferent neurons in other cranial nerve nuclei.
(6) The organization of the afferent and efferent connections of the sagittal Zones A and B of the cerebellar cortex of the rat have been studied using wheat-germ agglutinin conjugated to horseradish peroxidase as a tracer.
(7) Blood flow changes in the dental pulp of lower canine teeth of mature cats and incisors of mature rats were investigated with simultaneous laser Doppler flowmetry and local 125I-clearance (wash-out) during electrical sympathetic stimulation, efferent stimulation of n. alveolaris inferior (IAN) (cats) and i.a.
(8) The complex synaptic arrangements which exist between higher-order afferent and efferent cells and these second order cells along their course suggests that transmission takes place by the electrotonic spread of slow potentials.
(9) The data are consistent with the hypothesis that the level shifts are produced by MOC efferents acting on outer hair cells to reduce the mechanical stimulus to inner hair cells.
(10) On the basis of these data, a hypothetical molecular mechanism of vestibular efferent modulation of the primary afferent pathway is proposed.
(11) This study addressed the contribution of primary afferents, mast cells, and sympathetic efferents to the control of vascular permeability in synovial joints.
(12) Taken together, these data indicate that carbachol produces a motor stimulant effect by activating nicotinic receptors which may modulate the release of dopamine in the NA and inhibit the GABAergic efferents to the SI.
(13) EABF was obtained by timed complete collection of blood from superficial efferent arterioles.
(14) The reservoir is made up using 40 cm of detubulized ileum; on the afferent loop (10 cm long) the right ureter is implanted according to the Camey-Le Duc technique, on the efferent loop (25 cm long) the left ureter is implanted according to the same technique.
(15) Efferent projections of the anterior vermis were studied in a prosimian primate (Galago senegalensis).
(16) As in the larvae of the other flies, the abdominal ventrolateral LKIR neurons form efferent axons.
(17) In contrast, the efferent projections of the main olfactory bulb are distributed to the anterior olfactory nucleus, the tenia tecta, the olfactory tubercle, the pyriform cortex, the anterior cortical amygdaloid area, the posterolateral cortical amygdaloid area, and to the lateral entorhinal cortex.
(18) Retrograde degeneration occurred in both afferent and efferent fibers.
(19) The LSO activation suggests that olivocochlear efferents may operate in a central feedback control of peripheral auditory input during long-term habituation.
(20) Short (4-8 msec) and long (14-22 msec) latency responses were recorded from both efferent nerves innervating a digastric muscle and an inferior portion of perioral muscles.