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1. (n.) oxytocin
a pituitary hormone that stimulates contraction of the smooth muscles of the uterus to induce labor.
Etymology: (1925–30)
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| Definition of 'OXYTOCIN' |
Princeton's WordNet |
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1. (noun) oxytocin, Pitocin
hormone secreted by the posterior pituitary gland (trade name Pitocin); stimulates contractions of the uterus and ejection of milk
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| Definition of 'OXYTOCIN' |
U.S. National Library of Medicine |
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1. OXYTOCIN
A nonapeptide hormone released from the neurohypophysis (PITUITARY GLAND, POSTERIOR). It differs from VASOPRESSIN by two amino acids at residues 3 and 8. Oxytocin acts on SMOOTH MUSCLE CELLS, such as causing UTERINE CONTRACTIONS and MILK EJECTION.
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Definitions of OXYTOCIN 
