as judged on the basis of earlier studies , it is evident that the c-terminal acyclic tail moiety exhibits an enhanced mobility over that of the ring moiety in all of the neurohypophyseal hormones studied and , moreover , that this motion is greater in arginine vasopressin and arginine vasotocin than in oxytocin .
C0032017
neurohypophyseal hormones
C0042418
arginine vasotocin