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List navigation
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| Home page | TAH partonomy |
| Top level |
digestive system  Short Extended
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| Level 2 | large intestine Short Extended |
| Current level |
anal canal
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| Subsidiary language with Latin |
  
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| Non Latin primary language |
  
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Partonomy list
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| FMA | TA | UID | ISA |
Short English equivalent
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Short official Latin term
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| 15703 |
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2645 | tax |
anal canal
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canalis analis
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| 29335 |
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2646 |
anorectal flexure
; perineal flexure
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flexura anorectalis
; flexura perinealis
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| 15716 |
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2647 |
anorectal junction
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junctio anorectalis
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| 76683 |
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2651 |
transitional zone of anal canal; haemorrhoidal zone
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zona transitionalis canalis analis
; zona haemorrhoidalis
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| 76435 |
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2648 |
anal columns
; rectal columns
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columnae anales
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| 76584 |
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2650 |
anal sinuses
; rectal sinuses; anal crypts
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sinus anales
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| 29321 |
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2653 |
pectinate line
; dentate line
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linea pectinata
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| 74028 |
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2649 |
anal valvules
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valvulae anales
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| 28009 |
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2654 |
intermediate zone of anal canal
; anal pecten
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zona intermedia canalis analis
; pecten analis
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| 49461 |
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2652 |
anocutaneous line
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linea anocutanea
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16030 |
cutaneous zone of anal canal
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zona cutanea canalis analis
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16025 |
muscles of anal canal
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musculi canalis analis
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| 15710 |
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2655 |
internal sphincter muscle of anus
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musculus sphincter ani internus
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| 21930 |
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1962 | tax |
external sphincter muscle of anus
; external anal sphincter; sphincter externus ani muscle 
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musculus sphincter ani externus
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| 27292 |
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1965 |
deep part of external sphincter muscle of anus
; deep part of puborectal muscle
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pars profunda musculi sphincteris ani externi
; pars profunda musculi puborectalis
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| 27287 |
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1964 |
superficial part of external sphincter muscle of anus
; superficial part of puborectal muscle
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pars superficialis musculi sphincteris ani externi
; pars superficialis musculi puborectalis
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| 27286 |
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1963 |
subcutaneous part of external sphincter muscle of anus
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pars subcutanea musculi sphincteris ani externi
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16026↓ |
corrugator cutis muscle of anus
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musculus corrugator cutis ani
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| 15715 |
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2656 |
intersphincteric groove
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sulcus intersphinctericus
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| 15711 |
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2657 |
anus
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anus
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20 lines
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70.0 %
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80.0 %
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Scientific notes
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| UID |
Libelle of note
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| 16026 |
Around the anus, a thin layer of smooth muscle fibres radiates from the orifice. By its contraction it raises the skin into ridges around the margin of the anus (Shafik 1976 Invest Urol 13:271-277).
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| Date: 18.08.2024 |