"The pars intermedia in a thin layer of epithelial cells located between pars distalis and neurohypophysis. It arises from the posterior wall of Rathke pouch and contains vestigial lumina of Rathke pouch which appear as narrow vesicles of variable length. These may give rise to Rathke cleft cysts (also known as pars intermedia cysts 2-3)."
Expected headings
"Pars distalis"
"Pars tuberalis"
"Pars intermedia"