File:Adrenal histology 001.jpg
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Adrenal Histology - Cortex and Medulla
Adrenal gland, monkey - (Stain - Haematoxylin Eosin)
Capsule - a fibrous capsule.
- surface of the gland is surrounded by fat tissue.
- vessels enter the organ through the furrows on its anterior surface and base.
- arteries from the aorta,inferior phrenic, and the renal
- arteries are numerous and relatively large size, subdivide into branches entering the cortical part of the gland
- break up into capillaries ending in the venous plexus of the medullary portion.
Adrenal Cortex - divided into three zones (Adrenocorticotropic hormone (ACTH) required for zones 2 and 3)
- zona glomerulosa (about 15%)
- zona fasciculata (about 75%)
- zone reticularis is (about 10%)
Adrenal Medulla - 2 indistinguishable cell types, neural crest in origin.
- Adrenaline producing cells - epinephrine (80%)
- Noradrenaline producing cells - norepinephrine (20%)
- cells arranged in strands or small clusters with capillaries and venules in the intervening spaces.
- cell cytoplasm weakly basophilic.
- chromaffin cells because granules can be stained with potassium bichromate.
- innervated by preganglionic sympathetic fibres.
Original File Name: Adr041he.jpg
- Adrenal Histology: Cortex and Medulla | Unlabelled Overview | Cortical Zones | Zona Glomerulosa and Fasciculata | Zona Glomerulosa | Zona Fasciculata | Zona Reticularis and Medulla | Zona Reticularis | Medulla | Fetal Cortex | Developing Adult Cortex | BGD - Endocrine Histology | Histology Stains | Adrenal Development
Links: Histology | Histology Stains | Blue Histology images copyright Lutz Slomianka 1998-2009. The literary and artistic works on the original Blue Histology website may be reproduced, adapted, published and distributed for non-commercial purposes. See also the page Histology Stains.
Cite this page: Hill, M.A. (2024, May 15) Embryology Adrenal histology 001.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Adrenal_histology_001.jpg
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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