File:Stage 22 image 220.jpg: Difference between revisions

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==Developing Pituitary - Human Embryo Carnegie stage 22==
==Developing Pituitary - Human Embryo Carnegie stage 22==


* Human embryo [[Week 8]], [[Carnegie Stage 22]]
* Human embryo [[Week 8]], [[Carnegie stage 22]]
* inset bottom right shows the complete head cross-section and approximate level of the plane.
* inset bottom right shows the complete head cross-section and approximate level of the plane.
** note the sphenoid "saddle" - only cartilage at this stage.
** note the sphenoid "saddle" - only cartilage at this stage.

Revision as of 16:26, 21 May 2012

Developing Pituitary - Human Embryo Carnegie stage 22

  • Human embryo Week 8, Carnegie stage 22
  • inset bottom right shows the complete head cross-section and approximate level of the plane.
    • note the sphenoid "saddle" - only cartilage at this stage.
    • trigeminal ganglia (CN V) and internal carotid arteries lateral to pituitary in complete head cross-section.
  • orientation - ventral is bottom of image, dorsal is top.
  • inset cross-section scale bar 1 mm.
  • measured regions are shown in microns.
  • neurohypophysis (posterior pituitary) containing hypothalamic recess.
  • adenohypophysis (anterior pituitary) containing developing blood vessels of local circulation.


Pituitary Links: Image - Pituitary | Image - Pituitary Measured | Endocrine - Pituitary Development | Carnegie stage 22 | Image - Low resolution Plane of Section | Image - Low resolution Pituitary


A7/B2 - Scan 35805

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