The pituitary gland is composed
of an anterior part and a posterior
part that is directly attached to the
hypothalamus region of the brain
by an infundibular stalk. The gland
occupies a fossa of the sphenoid
bone called the sella turcica
(L. Turkish saddle).
Figure 20–3 Formation of the pituitary gland.
Diencephalon
Stomodeum
(future mouth)
Infundibulum
Hypophyseal
pouch
Neurohypophyseal
bud
Neurohypophyseal
bud