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Proctodeum
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| Proctodeum | |
|---|---|
| Details | |
| Precursor | Surface ectoderm |
| Gives rise to | Lower anal canal |
| Identifiers | |
| Latin | proctodeum |
| Anatomical terminology | |
A proctodeum is the back ectodermal part of an alimentary canal. It is created during embryogenesis by a folding of the outer body wall. It will form the lower part of the anal canal, below the pectinate line, which will be lined by stratified squamous non-keratinized (zona hemorrhagica) and stratified squamous keratinized (zona cutanea) epithelium. The junction between them is Hilton's white line.
External links
[edit]- "Poumons". www.embryology.ch (in French). Archived from the original on 2019-09-27. Retrieved 2007-11-07.
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