Derivative of Rathke's pouch ?
Adenohypophysis (anterior lobe) include (i) pars anterior or pars distalis or pars glandularis or anterior lobe proper, (ii) pars intermedia (intermediate lobe); and (iii) tuberal lobe (pars tuberalis). It develops from an upward growth (Rathke's pouch) from the ectodermal roof of stomodeum.Neurohypophysis (posterior lobe) include (i) pars posterior or pars nervosa or neural lobe or posterior lobe proper; (ii) infundibulum (infundibular stem); and (iii) median eminence. It develops from a downgrowth from the 3rd ventricle/ diencephalon (neuroectoderm) called infundibulum.
Anterior pituitary
Posterior pituitary
Superior parathyroid
Inferior parathyroid