noun Etymology: vaso- + oxytocin Date: circa 1963 a polypeptide pituitary hormone of most vertebrates below mammals that has properties similar to oxytocin and vasopressin

New Collegiate Dictionary. 2001.

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  • Vasotocin — is an oligopeptide with properties similar to oxytocin and vasopressin, found in birds, fish, and amphibians. It has been found to have effects on the regulation of REM sleep.ources* Kales, Anthony. The Pharmacology of Sleep. Springer:… …   Wikipedia

  • vasotocin — Cyclic nonapeptide, related to vasopressin but found in birds, reptiles and some amphibians …   Dictionary of molecular biology

  • vasotocin — noun An oligopeptide with properties similar to oxytocin and vasopressin …   Wiktionary

  • vasotocin — A nonapeptide hormone of the neurohypophysis of subvertebrates, with activities similar to that of vasopressin and oxytocin; chemically identical with human vasopressin except for an isoleucyl residue at position 3; thus [3 isoleucine]vasopressin …   Medical dictionary

  • hormone — hormonal, hormonic /hawr mon ik, moh nik/, adj. /hawr mohn/, n. 1. Biochem. any of various internally secreted compounds, as insulin or thyroxine, formed in endocrine glands, that affect the functions of specifically receptive organs or tissues… …   Universalium

  • Vasopressin — Arginine vasopressin Space filling model of arginine vasopressin …   Wikipedia

  • endocrine system — Group of ductless glands that secrete hormones necessary for normal growth and development, reproduction, and homeostasis. The major endocrine glands are the hypothalamus, pituitary, thyroid, islets of Langerhans, adrenals, parathyroids, ovaries …   Universalium

  • AVT — may refer to:* Antiviral Therapy , a biomedical journal * Arginine vasotocin, a compound related to Vasopressin * Asociación de Víctimas del Terrorismo (Association of Terror Victims), an organization for victims of terrorist violence in Spain *… …   Wikipedia

  • aggressive behaviour — Any action of an animal intended to injure an opponent or prey animal or to cause an opponent to retreat. Aggression may be caused by various stimuli. Within its own group, an animal must display aggressive postures to maintain its position… …   Universalium

  • endocrine system, human — ▪ anatomy Introduction  group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… …   Universalium

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