lypressin

noun
ly·​pres·​sin | \ ˌlī-ˈpres-ᵊn How to pronounce lypressin (audio) \

Medical Definition of lypressin

: a vasopressin in which the eighth amino acid residue in its polypeptide chain is a lysine residue (as in pigs) rather than an arginine residue (as in most mammals including humans) and which is used especially as a nasal spray in the control of diabetes mellitus

called also lysine vasopressin

— compare arginine vasopressin

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