Pituitary gland: Difference between revisions
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Pituitary gland is located within the sella turcica of the sphenoid bone. | |||
= Anterior and posterior pituitary lobe = | |||
<table class="wikitable" width="100%"> | |||
<tr> | |||
<th width="50%">Adenohypophysis</th> | |||
<th width="50%">Neurohypophysis</th> | |||
</tr> | |||
<td> | |||
75% of the gland | |||
Ectodermal origin from roof of the stomodeum | |||
Three components: | |||
# Pars tuberalis includes <br> Portion of the infundibular stalk <br>Median eminence of hypothalamus | |||
# Pars intermedia | |||
# Pars distalis: majority of the gland, has no direct arterial supply | |||
</td> | |||
<td> | |||
25% of the gland | |||
Diencephalic origin | |||
Three components: | |||
# Pars nervosa (posterior lobe) | |||
# Infundibulum | |||
# Nuclei (supraoptic and paraventricular) | |||
</td> | |||
</table> | |||
[[Category:Neuroanatomy]] | [[Category:Neuroanatomy]] | ||
Revision as of 00:32, 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:
|
25% of the gland Diencephalic origin Three components:
|