Adrenal Medulla Development Movie: Difference between revisions

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'''Adrenal Medulla'''
'''Adrenal Medulla'''
* neural crest origin, migrate adjacent to coelomic cavity, initially uncapsulated and not surrounded by fetal cortex, cells have neuron-like morphology
* neural crest origin, migrate adjacent to coelomic cavity, initially uncapsulated and not surrounded by fetal cortex, cells have neuron-like morphology
* 2 cell types - secrete epinepherine (adrenaline) 80%; secrete norepinepherine (noradrenaline* 20%
* 2 cell types - secrete epinepherine (adrenaline) 80%; secrete norepinepherine (noradrenaline) 20%




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:'''Links:''' [[Media:Adrenal_medulla.mov‎|Quicktime]] | [[Quicktime Development Animation - Adrenal Medulla|Quicktime version]] | [[Development Animation - Adrenal Medulla|Flash version]] | [[Endocrine - Adrenal Development]] | [[Lecture_-_Endocrine_Development#Adrenal|Endocrine Lecture]]
:'''Links:''' [[Media:Adrenal_medulla.mp4‎|MP4 version]] | [[Media:Adrenal_medulla.mov‎|Quicktime version]] | [[Endocrine - Adrenal Development]] | [[Lecture_-_Endocrine_Development#Adrenal|Endocrine Lecture]]


===Medulla===
===Medulla===

Revision as of 16:12, 16 March 2013

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File:Adrenal medulla.jpg</wikiflv>

Adrenal Medulla Development

This animation shows the dual embryonic origins of the adrenal development.

Adrenal Medulla

  • neural crest origin, migrate adjacent to coelomic cavity, initially uncapsulated and not surrounded by fetal cortex, cells have neuron-like morphology
  • 2 cell types - secrete epinepherine (adrenaline) 80%; secrete norepinepherine (noradrenaline) 20%


Adrenal Cortex

  • mesothelium origin, epithelium lining the body cavity at the site of adrenal development
  • Late Fetal Period - differentiates to form cortical zones
  • Birth - zona glomerulosa, zona fasiculata present
  • Year 3 - zona reticularis present


Links: MP4 version | Quicktime version | Endocrine - Adrenal Development | Endocrine Lecture

Medulla

Neural crest cells migrate toward the coelomic cavity wall and form the adrenal medulla. These chromaffin (chromaphil) cells originally named because of their staining (yellow) with chromium salts.

Cortex

Week 4 celomic epithelium (mesothelium) cells proliferate initially forming small buds that separate from the epithelium.

Week 6 these now mesenchymal cells first form the fetal adrenal cortex which will be later replaced by the adult cortex.


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Cite this page: Hill, M.A. (2024, March 29) Embryology Adrenal Medulla Development Movie. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Adrenal_Medulla_Development_Movie

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G