parahormonen.
/ˌparəˈhɔːməʊn/, U.S. /ˌpɛrəˈhɔrˌmoʊn/ Physiology.
A substance involved in or produced by metabolic processes that acts like a hormone or modifies hormonal activity.
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parahormone1918
prohormone1935
1918 M. Fishberg tr. E. Gley Internal Secretions 154 At most we might apply the term parhormones to the excretory products which play only an accessory rôle as excitants, reserving the name of hormones for the specific glandular products.
1935 Biol. Rev. 10 440 Water..could presumably be classified as a parahormone for renal function.
1948 C. D. Turner Gen. Endocrinol. ii. 65 The synthesis, storage and release of sugar by the liver is not a true endocrine activity, since glucose is not a specific product of this organ. Sugar and such materials are important metabolites and may be designated as parahormones.
1987 Acta Physiologica Scandinavica 129 165 It is proposed that IGF-I may serve as a parahormone exerting its effect by paracrine and/or autocrine mechanisms, taking part in regulating the structural adaption of blood vessels in response to stress.
1995 Ann. Med. 27 435/2 Antilipolytic parahormones such as adenosine and prostaglandins, which are produced locally, are also of importance for the regulation of lipolysis in human adipose tissue.
This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022).
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n.1918