(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.
Irritation
Definition:
(n.) The act of irritating, or exciting, or the state of being irritated; excitement; stimulation, usually of an undue and uncomfortable kind; especially, excitement of anger or passion; provocation; annoyance; anger.
(n.) The act of exciting, or the condition of being excited to action, by stimulation; -- as, the condition of an organ of sense, when its nerve is affected by some external body; esp., the act of exciting muscle fibers to contraction, by artificial stimulation; as, the irritation of a motor nerve by electricity; also, the condition of a muscle and nerve, under such stimulation.
(n.) A condition of morbid excitability or oversensitiveness of an organ or part of the body; a state in which the application of ordinary stimuli produces pain or excessive or vitiated action.
Example Sentences:
(1) Postpartum management is directed toward decreasing vasospasm and central nervous system irritability and maintaining fluid and electrolyte balance.
(2) testosterone, fentanyl, nicotine) may ultimately be administered in this way, important questions pertaining to pharmacology (tolerance), toxicity (irritation, sensitisation) and dose sufficiency (penetration enhancement) remain.
(3) It was shown that the antibiotic had low acute toxicity, did not cumulate and had no skin-irritating effect.
(4) Inhibition of binding of [3H]TPA to the receptor preparation by tigliane and ingenane DTE correlates with irritant activity in vivo, while some daphnane and 1 alpha-alkyldaphnane DTE inhibit binding of [3H]TPA in a less pronounced manner but still are very irritant.
(5) Exposure to irritants was also more common among the asthmatics than the nonasthmatics with similar exposure to organic allergens (P = 0.004).
(6) The purpose of this study was to develop a new model for the induction of chronic irritant contact dermatitis, which would reflect well the conditions of daily practice.
(7) The drug I started taking caused an irritating, chronic cough, which disappeared when I switched to an inexpensive diuretic.
(8) These injections led to epidermal hyperplasia in areas overlying the irritant and the effect was most significant when the irritant was placed in the upper dermis.
(9) Two children required lidocaine therapy for cardiac irritability manifesting as multifocal PVCs and ventricular tachycardia.
(10) In autumn, leaf-heaps composted themselves on sunken patios, and were shovelled up by irritated owners of basement flats.
(11) The dietary fibre intake of 25 patients with the irritable bowel syndrome was assessed by dietary recall over one week for the period before onset of symptoms, at diagnosis and after six months treatment with bran and a fibre-rich diet, and compared with controls matched for age and sex.
(12) A case of epidermoid tumor of the sacral area with S3 root irritation resulting in bladder dysfunction is presented and its possible relationship to spinal puncture is discussed.
(13) The present study did not identify any baseline parameters such as initial prostate volume, peak flow rates, or obstructive or irritative symptom scores that correlated with clinical outcome.
(14) Scores on the "dependent smoking" subscale of the smoking motivation questionnaire correlated significantly with overall withdrawal severity, craving, and increased irritability.
(15) The airways can be affected by inflammation, can be targets of infection, and can respond to chemical irritants with bronchoconstrictive responses.
(16) Some pulp irritation can occur if deep restorations are not placed over a protective film.
(17) MIDAZOLAM IS SUPERIOR TO DIAZEPAM IN CERTAIN WAYS: it has a more rapid onset; produces greater anterograde amnesia, less postoperative drowsiness, less venous irritation and less likelihood of thrombophlebitis development.
(18) Primary invasive adenocarcinoma of the bladder was diagnosed in a fifty-two-year-old male with a two-month history of irritative voiding symptoms.
(19) We studied seventy patients, 23 males and 47 females with irritable bowel syndrome in adolescence aged 13-19 yrs, who visited the department of psychosomatic medicine in Takano Hospital during about six year period of April, 1986-July, 1992.
(20) The study suggested that 1) diabetes and "prediabetes" produce significant changes in levels of chondroitin 4, 6, and dermatan sulfates within alveolar bone, 2) in "prediabetic" animals, interdental bone loss occurs prior to the onset of clinical symptoms and in the absence of local irritating factors, the bone height appears to return to normal levels, and 3) there may be a correlation between alveolar bone height and relative levels of dermatan sulfate.