Revision as of 00:33, 5 March 2024

Pituitary gland is located within the sella turcica of the sphenoid bone.

Anterior and posterior pituitary lobe

Adenohypophysis	Neurohypophysis
75% of the gland Ectodermal origin from roof of the stomodeum Three components: Pars tuberalis includes Portion of the infundibular stalk Median eminence of hypothalamus Pars intermedia Pars distalis: majority of the gland, has no direct arterial supply	25% of the gland Diencephalic origin Three components: Pars nervosa (posterior lobe) Infundibulum Nuclei (supraoptic and paraventricular)

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 </td>
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-% of the gland
+% of the gland<br>
-Diencephalic origin
+Diencephalic origin<br>
 Three components:
 # Pars nervosa (posterior lobe)