A funnel-shaped diverticulum that extends downward from the anterior aspect of the floor of the third ventricle into the infundibulum of the hypophysis; the embryonic structure gives rise the neural component of the pituitary (pas nervosa).
Synonyms:
exact_synonym:
infundibular recess; infundibular recess of third ventricle; recessus infundibularis
related_synonym:
Third ventricle infundibular recess; infundibular reccess; recessus infundibuli