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|  Navigation par listes | 
| Page de départ | Partonomie TAH | 
| Niveau supérieur | système digestif  Abrégé étendu | 
| Niveau 2 | gros intestin Abrégé étendu | 
| Niveau actuel | canal anal   | 
| Langage subsidiaire avec le latin |       | 
| Language principal non Latin |       | 
|  Liste partonomique | 
|  Notes scientifiques | 
| 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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|  Signature | 
| Type of list | P3 | 
| List Unit Identifier | 2645 | 
| Subtotals | subchildren 0 subunits 0 | 
| Proper children | 19 | 
| Number of children | 19 (validated) | 
| Proper units | 20 | 
| Number of units | 20 (validated) | 
| Signature | 16080 (validated since 17.12.2024) | 
| Date: 10.08.2025 |