Anus

System Digestive
SNOMED CT 181262009

Anus

Definition

Orifice at the opposite end of an animal's digestive tract from the mouth. Its function is to expel feces, unwanted semi-solid matter produced during digestion, which, depending on the type of animal, may be one or more of: matter which the animal cannot digest, such as bones; food material after all the nutrients have been extracted, for example cellulose or lignin; ingested matter which would be toxic if it remained in the digestive tract; and dead or excess gut bacteria and other endosymbionts.

Also known as anal opening, anal orifice, opening of terminal part of digestive tract — per UBERON

The Anus is a part of the Digestive.

Also identified as

Associated Diseases

Disease Involvement Source
Anal canal adenocarcinoma Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anal canal adenocarcinoma Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Anal canal carcinoma Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anal canal carcinoma Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Anal canal carcinoma in situ Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anal canal carcinoma in situ Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Anal canal neuroendocrine neoplasm Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anal canal Paget disease Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anal canal Paget disease Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Anal canal squamous cell carcinoma Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anal canal squamous cell carcinoma Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Anal carcinoma Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anal carcinoma Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Anal gland adenocarcinoma Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anal gland adenocarcinoma Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Anal margin basal cell carcinoma Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anal margin basal cell carcinoma Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Anal margin carcinoma Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anal margin carcinoma Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Anal margin squamous cell carcinoma Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anal margin squamous cell carcinoma Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Anal melanoma Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anal melanoma Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Anal mucinous adenocarcinoma Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anal mucinous adenocarcinoma Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Anal Paget disease Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anal Paget disease Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Anal polyp Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anal polyp Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Anal squamous cell carcinoma Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anal squamous cell carcinoma Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Anal verrucous carcinoma Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anal verrucous carcinoma Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Anus adenocarcinoma Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anus adenocarcinoma Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Anus basaloid carcinoma Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anus basaloid carcinoma Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Anus cancer Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anus disorder Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anus leiomyoma Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anus leiomyoma Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Anus leiomyosarcoma Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anus leiomyosarcoma Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Anus lymphoma Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anus lymphoma Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Anus neoplasm Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anus rhabdomyosarcoma Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anus rhabdomyosarcoma Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Anus sarcoma Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Anus sarcoma Disease Has Primary Anatomic Site NCIT · CC BY 4.0

Showing 1–50 of 67

Drugs Acting Here

Drug Effect Source
Benzocaine may treat a disease of this organ DERIVED · CC BY 4.0
Hydrocortisone may treat a disease of this organ DERIVED · CC BY 4.0
Mesalazine may treat a disease of this organ DERIVED · CC BY 4.0
Phenylephrine may treat a disease of this organ DERIVED · CC BY 4.0
Pramocaine may treat a disease of this organ DERIVED · CC BY 4.0

5 entries above are marked DERIVED: Atlas Médico inferred them by combining two sourced claims, and no source asserts these links directly. Treat them as a navigation aid, not as a clinical statement.

Procedures

Procedure Relation Source
Total Proctocolectomy Procedure Has Completely Excised Anatomy NCIT · CC BY 4.0
Proctocolectomy Procedure Has Excised Anatomy NCIT · CC BY 4.0
Total Proctocolectomy Procedure Has Excised Anatomy NCIT · CC BY 4.0
High Resolution Anoscopy with Biopsy Procedure Has Partially Excised Anatomy NCIT · CC BY 4.0
Proctoscopy with Biopsy Procedure Has Partially Excised Anatomy NCIT · CC BY 4.0