(a.) Bearing or conducting inwards to a part or organ; -- opposed to efferent; as, afferent vessels; afferent nerves, which convey sensations from the external organs to the brain.
Example Sentences:
(1) The present study was designed to test the hypothesis that the decreased Epi response following ET was due to 1) depletion of adrenal Epi content such that adrenomedullary stimulation would not release Epi, 2) decreased Epi release with direct stimulation, i.e., desensitization of release, or 3) decreased afferent signals generated by ET itself.
(2) In the caudal spinal trigeminal nucleus (Vc), the collaterals of one half of the periodontium afferent fibers terminated mainly in lamina V at the rostral and middle levels of Vc.
(3) Electrical stimulation of afferent pathways at intensities just below threshold for eliciting action potentials resulted in a dramatic decrease in JSCP threshold.
(4) The perforant pathway and fimbria fornix were transected to label afferent fibers to NPY-positive cells.
(5) The primary afferent fibers diverge in the brainstem into a short ascending and a long descending tract.
(6) (1) Microdissection of an isolated afferent artery with or without macula densa (MD) has revealed that renin release is regulated by NaCl exposure to MD.
(7) The present study delimits the relationship of primary trigeminal afferents to their targets, the brainstem trigeminal nuclei of the neonatal rat.
(8) Investigations in normal subjects demonstrate that the LLR is a reflex mediated by fast conducting muscle and cutaneous afferents.
(9) All endings were electrotonically coupled to the M-cell, but impulses in less than 20% of the afferents produced chemically mediated excitatory postsynaptic potentials as well.
(10) These results show the existence of a depressor response and decreases in HR and RNA in the rabbit mediated by the action of BK on cardiac sympathetic afferents.
(11) In anesthetized cats, the enhancement of sympathetic activity and increase of the blood pressure in exclusion of afferents (section of vagosympathetic trunks and clamping of common carotid arteries) as well as the disappearance of the activity in enhanced afferentation, were shown to be transient and to disappear within a few minutes-scores of minutes in spite of the going on deafferentation or enhancement of afferentation.
(12) From these experiments it is concluded that vascular A1 and A2 adenosine receptors are present in the kidney and that activation of A1 receptors is associated with preglomerular vasoconstriction only, whereas activation of A2 receptors mediates pre- and postglomerular vasodilation with a lack of vasodilatory response of the distal afferent arteriole.
(13) By modifying the spatial distribution of afferents to the network, we demonstrate that the same basic model functions properly in spite of afferents with nonuniform background firing rates.
(14) The results indicate that stimulation of trigeminal subnucleus caudalis, a brain stem region that processes nociceptor afferent information, evokes a prompt increase in plasma ACTH.
(15) The pattern of innervation following transplantation indicates that, in repopulating dopamine-deficient cortical areas of recipient weaver mutants, graft-derived dopamine fibres show a preference for those layers which are normally invested by dopamine afferents.
(16) When afferent impulses were recorded from this fine nerve simultaneously with the blood pressure, two kinds of activity were observed.
(17) 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.
(18) The tidal volume increase under CO2 inhalation was suppressed by the inflation reflex but other afferent vagal nerves seemed to be closely associated with the increased respiratory rate.
(19) Although many of these centrally observed alterations can be attributed to altered peripheral projections in axotomized V primary afferents, others must reflect central reorganization.
(20) The amount of spinal visceral afferences is relatively small (only 1.5-2.5% of all somatic spinal afferences).
Toward
Definition:
(prep.) Alt. of Towards
(adv.) Alt. of Towards
(prep.) Approaching; coming near.
(prep.) Readly to do or learn; compliant with duty; not froward; apt; docile; tractable; as, a toward youth.
(prep.) Ready to act; forward; bold; valiant.
Example Sentences:
(1) The microsomal preparations from untreated Syrian golden hamster livers exhibited higher activities of N-demethylation towards the macrolide antibiotics, erythromycin and troleandomycin, than those from untreated and phenobarbital-treated rats.
(2) In X-irradiated litters, almost invariably, the incidence of anophthalmia was higher in exencephalic than in nonexencephalic embryos and the ratio of these incidences (relative risk) decreased toward 1 with increasing dose.
(3) First, it has diverted grain away from food for fuel, with over a third of US corn now used to produce ethanol and about half of vegetable oils in the EU going towards the production of biodiesel.
(4) Enhanced sensitivity to ITDs should translate to better-defined azimuthal receptive fields, and therefore may be a step toward achieving an optimal representation of azimuth within the auditory pathway.
(5) Postpartum management is directed toward decreasing vasospasm and central nervous system irritability and maintaining fluid and electrolyte balance.
(6) Another important factor, however, seems to be that patients, their families, doctors and employers estimate capacity of performance on account of the specific illness, thus calling for intensified efforts toward rehabilitation.
(7) Normal and tumor cell cultures exhibited increased sensitivity toward TNF in the presence of mifepristone.
(8) With respect to family environment, a history of sexual abuse was associated with perceptions that families of origin had less cohesion, more conflict, less emphasis on moral-religious matters, less emphasis on achievement, and less of an orientation towards intellectual, cultural, and recreational pursuits.
(9) Mice also had a decreased ability to develop delayed-type hypersensitivity reactions while being given cadmium; this abnormality also returned toward normal after withdrawal of cadmium.
(10) After several months, a temporal discrimination was well established, as shown by maximum suppression toward the end of the signal period.
(11) It comes as the museum is transforming itself in the wake of major cuts in its government funding and looking more towards private-sector funding, a move that has caused some unease about its future direction.
(12) The Pakistan government, led as usual by a general, was anxious to project the army's role as bringers of order to a country that was sliding quickly towards civil war.
(13) This paper presents findings from a survey on knowledge of and attitudes and practices towards AIDS among currently married Zimbabwean men conducted between April and June 1988.
(14) Local minima of hand speed evident within segments of continuous motion were associated with turn toward the target.
(15) Moreover, it allows the clinician to be alert towards findings which could be missed when not carefully searched for and which may be useful to raise or strengthen the suspicion of this disease.
(16) An N-acetylation polymorphism is described that is expressed toward arylamine carcinogens in tumor target organs of an inbred rat model.
(17) Expansion of the cell sheet following attachment, and the fusion of epiblasts advancing toward each other, does not require the presence of mineralocorticoid.
(18) It was then determined whether reducing the PA wedge pressure during exercise with prazosin (9 patients) or dobutamine (6 patients) reduced ventilatory levels toward normal.
(19) The toluene group were more approving in their attitudes towards taking other drugs.
(20) The inhibition by DCMU of palmitoylcarnitine oxidation by isolated liver mitochondria was used to calculate a flux control coefficient of the respiratory chain towards gluconeogenesis.