| vasotocin | <protein> Cyclic nonapeptide, related to vasopressin but found in birds, reptiles and some amphibians. (18 Nov 1997) |
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| arginine vasotocin | Vasotocin with arginyl residue at position 8 (identical with arginine oxytocin). See: arginine vasopressin. (05 Mar 2000) |
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