Adrenal Medulla Development Movie: Difference between revisions
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| < | | <html5media height="500" width="560">File:Adrenal medulla.mp4</html5media> | ||
'''Adrenal Medulla Development | [[Media:Adrenal medulla.mp4|'''Click Here''' to play on mobile device]] | ||
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===Adrenal Medulla Development=== | |||
This animation shows the dual embryonic origins of the adrenal 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 | * 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 | * 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 | * mesothelium origin, epithelium lining the body cavity at the site of adrenal development | ||
* Late Fetal Period - differentiates to form cortical zones | * Late Fetal Period - differentiates to form cortical zones | ||
* Birth - zona glomerulosa, zona fasiculata present | * Birth - zona glomerulosa, zona fasiculata present | ||
* Year 3 - zona reticularis present | * Year 3 - zona reticularis present | ||
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| [[File:Adrenal medulla.jpg|560px]] | |||
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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. | |||
:'''Links:''' [[Media:Adrenal_medulla.mp4|MP4 version]] | [[Endocrine - Adrenal Development]] | [[Lecture_-_Endocrine_Development#Adrenal|Endocrine Lecture]] | |||
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{{Movie footer}} | {{Movie footer}} |
Latest revision as of 23:23, 6 September 2015
Embryology - 25 Apr 2024 Expand to Translate |
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Cite this page: Hill, M.A. (2024, April 25) Embryology Adrenal Medulla Development Movie. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Adrenal_Medulla_Development_Movie
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G