Hypophysis (PITUITARY GLAND)
Hypophysis lies anteriorly to the....
Mamillary body
Hypopyhsis lies posteriorly to the....
Optic chiasma
Arteries of hypophysis...
Superior & inferior hypophyseal arteries (branches of internal carotid artery)
Hypophysis has 2 lobes. Post. lobe...
connected to hypothalamus through hypothalamo-hypophyseal tract, stores hormones secreted by hypothalamic nuclei
Superior hypophyseal supplies ...
-infundibulum & forms a capillary network (hypophyseal portal system). -anterior lobe of pituitary gland
Hypophyseal veins drain into....
Ant. and Post. Cavernous Sinuses
İnferiorly to the hypophysis...
Sphenoidal air sinuses
Neurosecretory cells situated mainly ........ of the hypothalamus
in the medial zone
Hypophysis has 2 lobes. Ant. lobe....
it is the True gland, Secretes hormones
Hypophysis lies in the...
middle cranial fossa
Inferior hypophyseal supplies ....
posterior lobe of pituitary gland.
The portal system carries the releasing hormones and the release-inhibiting hormones to the
secretory cells of the anterior lobe of the hypophysis.
Hypophysis is well protected by which .......(as bayrakları as)
sella turcica
Laterally to the hypophysis...
Cavernous sinuses
A fold of dura matter which covers the hypophysis and has an opening for passage of infundibulum
Diaphragma sellae
Superiorly to the hypophysis...
Diaphragma sellae
Ant. lobe of hypophysis' embryonic origin...
Ectodermal(stomadeum)
Post. lobe of hypophysis' embryonic origin...
Endodermal
Which pathways enable the hypothalamus to influence the activities of the endocrine glands.
(1) long and short portal blood vessels that connect sinusoids in the median eminence and infundibulum with capillary plexuses in the anterior lobe of the hypophysis (2) nerve fibers that travel from the supraoptic and paraventricular nuclei to the posterior lobe of the hypophysis