Fine structure of the spermatozoon of the sea cucumber, Leptosynapta clarki (Echinodermata: Holothuroidea) David G. Atwood OriginalPaper Pages: 223 - 233
The fine structure of adrenal zona glomerulosa in the adult rat Dora WassermannM. Wassermann OriginalPaper Pages: 235 - 243
Structure and fine structure of the hypophyseal pars distalis in endigenous African species of the genus Tilapia John F. LeatherlandJ. N. BallMohammed Hyder OriginalPaper Pages: 245 - 266
The pituitary of Aphanius dispar (Rüppell) and its neurosecretory innervation from hypersaline marshes and fresh water Mordechai AbrahamRuth Lotan OriginalPaper Pages: 267 - 274
Occurrence and neonatal development of gastrin immunoreactivity in the digestive tract of the rat L. -I. LarssonR. HåkansonF. Sundler OriginalPaper Pages: 275 - 281
Intracisternal inclusions in nerve cells of cat ventromedial hypothalamic nucleus Masashi Takeichi Short Communication Pages: 283 - 286