肛門陥
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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2013/08/30 20:41:17」(JST)
[Wiki en表示]
| Proctodeum |
| Gray's |
subject #241 1110 |
| Precursor |
surface ectoderm |
| Gives rise to |
lower anal canal |
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 source | edit]
- http://trc.ucdavis.edu/mjguinan/apc100/modules/Reproductive/bird/overview0/overview.html
- http://www.embryology.ch/francais/sdigestive/gesicht08.html
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Prenatal development/Mammalian development of digestive system, coelom and septa, and mesenchymal mesenteric masses (GA 11.1101, TE E5.4, 5.8-9)
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| Gut |
| Upper GI tract and accessory |
- Foregut: upper GI
- Buccopharyngeal membrane
- Rathke's pouch
- Tracheoesophageal septum
- accessory
- Pancreatic bud
- Hepatic diverticulum
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| Lower GI tract |
- Hindgut: Urorectal septum
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| Abdominopelvic |
| Mesentery |
- Dorsal mesentery
- Ventral mesentery
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| Thoracic diaphragm |
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| Other |
- Intra-embryonic coelom
- Extra-embryonic coelom
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anat (t, g, p)/phys/devp/enzy
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noco/cong/tumr, sysi/epon
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proc, drug (A2A/2B/3/4/5/6/7/14/16), blte
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English Journal
- Early development in the velvet worm Euperipatoides kanangrensis Reid 1996 (Onychophora: Peripatopsidae).
- Joakim Eriksson B, Tait NN.SourceDepartment of Zoology, University of Cambridge, Downing Street, CB2 3EJ Cambridge, United Kingdom.
- Arthropod structure & development.Arthropod Struct Dev.2012 Mar 16. [Epub ahead of print]
- We present here a description of early development in the onychophoran Euperipatoides kanangrensis with emphasis on processes that are ambiguously described in older literature. Special focus has been on the pattern of early cleavage, blastoderm and germinal disc development and gastrulation. The fo
- PMID 22430148
- Morphology and putative function of the colon and cloaca of marine and freshwater snakes.
- Babonis LS, Womack MC, Evans DH.SourceDepartment of Biology, University of Florida, Gainesville, Florida 32611, USA. babonis@ufl.edu
- Journal of morphology.J Morphol.2012 Jan;273(1):88-102. doi: 10.1002/jmor.11009. Epub 2011 Sep 20.
- Among tetrapods, evidence for postrenal modification of the urine by the distal digestive tract (including the colon and cloaca) is highly variable. Birds and bladderless reptiles are of interest because the colon and cloaca represent the only sites from which water and ions can be reclaimed from th
- PMID 21935975
Japanese Journal
- VIETAN Danielle,PATEL Ramnik Vallabh,HUDDART Simon N.
- Pediatric surgery international 25(6), 535-536, 2009-06-01
- NAID 10029305837
- Analysis of the proctodeum gene which causes malformation of the hindgut of Drosophila embryo.(Developmental Biology)Proceedings of the Sixty-Third Annual Meeting of the Zoologiacal Socistry of Japan
- Shigenaga A.,Yamaoka I.,Murakami R.
- Zoological science 9(6), 1194, 1992-12-15
- NAID 110003374030
- 女児低位鎖肛(Ano-Vestibular Fistula)に対するAnal Transplantation新術式 : Nixon's Inversion Proctoplastyの応用
- 高田 佳輝
- 日本小児外科学会雑誌 23(6), 1042-1047, 1987-10-20
- … In 1968, Nixon proposed "Inversion proctoplasty" on the basis of a new concept that the skin at the anal dimple was the everted proctodeum and should be inverted to get better rectal sensation. …
- NAID 110002098813
Related Links
- 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 ...
- Encyclopedia. Wikipedia encyclopedia ? proctodeum. Also found in: Dictionary/ thesaurus, Wikipedia, 0.01 sec. proctodeum /proc·to·de·um/ (-de´um) the ectodermal depression of the caudal end of the embryo, where later the anus is formed.
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