hydrin 2 ( vasotocinyl-gly ) , a hydroosmotic peptide resulting from differential processing of provasotocin and recently identified in frog neurohypophysis , has been looked for in the pituitary gland of an exotic toad ( bufo marinus ) and of a reptile ( vipera aspis ) .
C0032009
neurohypophysis
C0032005
pituitary gland