A (potential) space lined with epithelium located between the anterior lobe and pars intermedia of the pituitary gland, representing the residual lumen of Rathke's pouch.
Origin
1920s; earliest use found in Annals of Surgery.
Definition of Rathke's cleft in US English:
Rathke's cleft
noun
Anatomy Zoology
A (potential) space lined with epithelium located between the anterior lobe and pars intermedia of the pituitary gland, representing the residual lumen of Rathke's pouch.