Abstract
The pituitary gland or gl. pituitaria is an organ lying at the base of the brain in a cavity formed by the sella turcica at the front, back, and bottom, and by the sinus venosus cavernosus dex. et sin. This entire cavity is lined by the dura mater, which covers it from above in the form of diaphragma sellae turcicae. Through its opening passes the infundibulum, which connects the pituitary gland in its posterior lobe with the brain. The cavity infundibuli, which is a recess of the bottom of the third ventricle, in some animal species (e.g., in dogs) passes as recessus infundibuli into the cavity of the posterior pituitary lobe (in humans this lobe has no cavity).
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