Pituitary Gland Flashcards
What are the superior relations to the pituitary gland?
Diaphragma sellae (dural fold covering the superior surface) Optic chiasm
What are the inferior relations to the pituitary gland?
Sella turcica/pituitary fossa of the sphenoid bone
Sphenoid sinus
What are the lateral relations of the pituitary gland?
Cavernous sinus
What is the arterial supply and venous drainage of the anterior pituitary gland?
Superior pituitary artery
Anterior pituitary vein
What is the arterial supply and venous drainage of the posterior pituitary gland?
Inferior pituitary artery
Posterior pituitary veins
The anterior pituitary consists of which three types of cells?
Chromophobe
Eosinophilic
Basophils
Which hormones are secreted from the chromophobe cells of the anterior pituitary gland?
None - these cells have minimal or no hormonal content
Which hormones are secreted from the basophilic cells of the anterior pituitary gland?
FSH
LH
ACTH
TSH
Which hormones are secreted from the eosinophilic cells of the anterior pituitary gland?
Growth Hormone
Prolactin
What is meant by a chromophobe adenoma?
Non-functioning pituitary tumour
The anterior pituitary gland is derived from which embryological tissue?
Ectoderm (Rathke’s pouch)
The posterior pituitary gland is derived from which embryological tissue?
Neural crest cells
