Rathke's pouch
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| Rathke's pouch | ||
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| Sketches in profile of two stages in the development of the human digestive tube. | ||
| Gray's | subject #275 1277 | |
| Carnegie stage | 10 | |
| Gives rise to | anterior pituitary | |
| Dorlands/Elsevier | p_31/12662673 | |
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Overview
In embryogenesis, Rathke's pouch is a depression in the roof of the developing mouth in front of the buccopharyngeal membrane. It gives rise to the anterior pituitary, a part of the endocrine system.
Development
The pouch eventually loses its connection with the pharynx giving rise to the anterior pituitary. The anterior wall of Rathke's pouch proliferates, filling most of the pouch to form pars distalis and pars tuberalis. The posterior wall forms pars intermedia.
In some organisms (humans being a notable exception), the proliferating anterior wall does not fully occupy Rathke's pouch, leaving a remnant (Rathke's cleft) between the pars distalis and pars intermedia.
Clinical significance
Rathke's pouch may also persist as cysts (craniopharyngioma) within the pars intermedia.
Eponym
It is named for Martin Rathke.[1][2]
References
- ↑ synd/3564 at Who Named It
- ↑ M. H. Rathke. Entwicklungsgeschichte der Natter (Coluber natrix). Königsberg, Bornträger, 1839.
External links
- Embryology at UNSW wwwhuman/hipower/HumB/b2l
- Histology at Boston University 14101loa
- Diagram at cushings-help.com
- http://www.lib.mcg.edu/edu/eshuphysio/program/section5/5ch2/s5ch2_2.htm
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
