释义 |
neurohormone Physiol.|njʊərəʊˈhɔːməʊn| [f. neuro- + hormone.] Any hormone or neurotransmitter released by the nervous system.
1941A. Grollman Essent. Endocrinol. i. 2 This definition [of true hormones] excludes the..neurohormones,..for these are..local in their effects or are transported by diffusion. 1955J. H. Welsh in Pincus & Thimann Hormones III. iii. 99 In this chapter an attempt will be made to see what all neurons have in common with respect to production, transport, storage, and release of regulator substances. It is proposed that the term ‘neurohormone’ be used to designate these substances. We may well continue to speak of ‘neurohumors’ and of ‘neurosecretory materials’, but it appears highly desirable to have an exclusive term, and ‘neurohormone’, previously used in this sense without precise definition,..seems highly appropriate. Ibid., The term neurohormone..may be defined as an organic compound produced by neurons and released at their endings to act as a chemical messenger or hormone, either locally or at a distance. 1965J. Pollitt Depression and its Treatment iv. 53 Monoamines are neurohormones regarded as essential for normal activity of the brain, and the two substances of this group playing particularly important roles in mood regulation, are serotonin..and noradrenalin. 1972Sci. Amer. Nov. 28/3 The hypothesis that pituitary function is controlled by neurohormones originating in the hypothalamus was soon well established. 1974Nature 15 Mar. 238/1 Many hormones, including noradrenaline, the neurohormone of the sympathetic nervous system. So neurohorˈmonal a., involving both the nervous system and the endocrine system; of or pertaining to a neurohormone.
1949Koestler Insight & Outlook v. 69 Digestive disorders..may be explained in direct neurohormonal terms. Ibid. viii. 127 The neurohormonal excitation may persist for a while like the duffed-down pain. 1962Science Survey III. 266 The neuro-hormonal chain of events leading to the olfactory pregnancy block has to some extent been explored. 1965Lee & Knowles Animal Hormones ii. 32 The ejection of milk at suckling..is a neurohormonal reflex. 1974Sci. Amer. Sept. 8/3 What magic gives Grinspoon and Singer the power to know that a behavioral condition..is not due to, say, a neurohormonal deficiency? |