Effect of amputation and limb regeneration on the pars distalis of the newt,Notophthalmus viridescens

Abstract
A study of the pituitary of the newt,Notophthalmus viridescens, during limb regeneration indicated no observable changes in histology or ultrastructure of any of the cells of the pars distalis when compared with the pars distalis of unamputated control newts.