(n.) Special activity excited in any part of the nervous system or in any organ of sense or motion; the nervous influence necessary for the maintenance of life,and the functions of the various organs.
(n.) The distribution of nerves in an animal, or to any of its parts.
Example Sentences:
(1) No monosynaptic connexions were found between anterodorsal and posteroventral muscles except between the muscles innervated by the peroneal and the tibial nerve.
(2) The role of the catecholamine innervation in the mediation of this process has now been demonstrated.
(3) Damage to this innervation is often initiated by childbirth, but appears to progress during a period of many years so that the functional disorder usually presents in middle life.
(4) A study of the time-course of the response during aortic stenosis of 30 min duration showed early release of renin from the innervated kidney at a time (5 min) when little release occurred from the denervated one.
(5) Chick sympathetic nerve fibers densely innervate expansor secundariorum muscle, but not skeletal muscle.
(6) The large motoneurons innervating only white muscle are similar to the primary motoneurons identified in developmental studies in teleosts (Myers: Soc.
(7) At the adult neuromuscular junction, acetylcholine (ACh) receptors are highly localized at the subsynaptic membrane, whereas, embryonic myotubes before innervation have receptors distributed over the entire surface.
(8) In contrast, total presynaptic markers for noradrenergic innervation were minimally altered but concentration of tyrosine hydroxylase, [3H]norepinephrine synaptosomal uptake and endogenous norepinephrine were increased by 275%, 130% and 133%, respectively.
(9) These connections may provide a pathway for overlap of sensory dermatomes and motor innervation of the neck and upper extremity.
(10) In conclusion, block of inhibitory innervation, and induction of electrical slow waves as a control mechanism for phasic contractile activity, seems to require blockade of an aminacrine- but not TEA-sensitive potassium conductance.
(11) 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.
(12) This preliminary study shows an adrenergic control system composed of chromaffin cells and adrenergic nerves similar to that found in other teleosts investigated, although the systemic arteries (coeliac artery, dorsal aorta and the vasculature of the air-breathing organ) appear to lack an adrenergic innervation.
(13) Immunohistochemical studies support earlier reports of a rich nerve supply to the posterior longitudinal ligament, a less developed innervation of the anterior ligament and the outermost annular ring, and a total lack of innervation in deeper parts of the intervertebral disc.
(14) Light and electron microscopy showed that polyneuronal innervation was retained in mutant endplates, and the normal process of withdrawal of redundant innervation did not occur.
(15) Longer periods of obstruction produced a gradual further reduction in the density of innervation.
(16) Between one-third to one-half of the vagal cells innervating the fundus and corpus were concentrated under the area postrema.
(17) Following treatment at birth fewer muscle fibres were polyneuronally innervated 5-7 days later.
(18) Secondly, the results do not support the existence of centrifugal optic nerve innervation of the human retina.
(19) In the early period of denervation, when two components were present in the noise spectra, alpha-bungarotoxin eliminated the slow component leaving channels as fast as in innervated end-plates.
(20) However, removal of either the parasympathetic (Px) or the sympathetic (Sx) innervation to the parotid gland prior to the dietary change resulted in a partial inhibition of the increase; values for the parasympathectomized gland were 51% of those of the innervated gland, and values of the sympathectomized parotid gland were 42% of those of the innervated gland.
Nervous
Definition:
(a.) possessing nerve; sinewy; strong; vigorous.
(a.) Possessing or manifesting vigor of mind; characterized by strength in sentiment or style; forcible; spirited; as, a nervous writer.
(a.) Of or pertaining to the nerves; seated in the nerves; as, nervous excitement; a nervous fever.
(a.) Having the nerves weak, diseased, or easily excited; subject to, or suffering from, undue excitement of the nerves; easily agitated or annoyed.
(a.) Sensitive; excitable; timid.
Example Sentences:
(1) Spectral analysis of spontaneous heart rate fluctuations, a powerful noninvasive tool for quantifying autonomic nervous system activity, was assessed in Xenopus Laevis, intact or spinalized, at different temperatures and by use of pharmacological tools.
(2) The telencephalic proliferative response has been studied in adult newts after lesion on the central nervous system.
(3) In dogs, cibenzoline given i.v., had no effects on the slow response systems, probably because of sympathetic nervous system intervention since the class 4 effects of cibenzoline appeared after beta-adrenoceptor blockade.
(4) Although solely nociresponsive neurons are clearly likely to fill a role in the processing and signalling of pain in the conscious central nervous system, the way in which such useful specificity could be conveyed by multireceptive neurons is difficult to appreciate.
(5) To examine the central nervous system regulation of duodenal bicarbonate secretion, an animal model was developed that allowed cerebroventricular and intravenous injections as well as collection of duodenal perfusates in awake, freely moving rats.
(6) Postpartum management is directed toward decreasing vasospasm and central nervous system irritability and maintaining fluid and electrolyte balance.
(7) An experimental autoimmune model of nerve growth factor (NGF) deprivation has been used to assess the role of NGF in the development of various cell types in the nervous system.
(8) The most common reasons cited for relapse included craving, social situations, stress, and nervousness.
(9) Neurotensin (NT) is an endogenous brain tridecapeptide for which high affinity binding sites exist in the central nervous system.
(10) Substance P, a potent vasodilating peptide, seems to be released from trigeminal nerve endings in response to nervous stimulation and is involved in the transmission of painful stimuli within the periphery.
(11) Label was found widely distributed among all the organs except the nervous system and its rate of disappearance from the tissues paralleled its disappearance from the circulation.
(12) These results suggest that aluminum is able to gain access to the central nervous system under normal physiological conditions.
(13) The effects of five beta blockers on the central nervous system of healthy subjects was studied by computerized EEG analysis.
(14) In order to localize probable central nervous system sites for these actions, we have used 125I-labelled 1-d(CH2)5, 7-sarcosine-8-arginine vasopressin, a specific V1-receptor antagonist, and in vitro autoradiography to map brain vasopressin binding sites.
(15) The increased sympathetic nervous activity during exercise appears to be a toxic rather than a compensatory effect of alcohol.
(16) It is suggested that contractile responses to electrical stimulation in isolated sheep urethral smooth muscle are mediated by the sympathetic nervous system, mainly through release of noradrenaline stimulating postjunctional alpha 1-adrenoceptors.
(17) The response to LBNP in the pentobarbitone-anaesthetized rat appeared not to be influenced by the autonomic nervous system.
(18) When we trained on it, my heart sunk,” Coleman said after his side began their Euro 2016 campaign with a nervous victory.
(19) The poststenotic ischemia induced by sympathoexcitatory reflexes can also be prevented by blocking the sympathoexcitation at the central nervous level by clonidine.
(20) These results suggest that, to fully understand how multijoint movement sequences are controlled by the nervous system, sensory mechanisms must be considered in addition to central mechanisms.