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
Benign neoplasm of anus Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Benign neoplasm of anus Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Cloacogenic carcinoma Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Cloacogenic carcinoma Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Fibroepithelial polyp of the anus Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Fibroepithelial polyp of the anus Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Hemorrhoids Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Hemorrhoids Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Imperforate anus Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Imperforate anus Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Internal hemorrhoid Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Internal hemorrhoid Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Neuroendocrine tumor of the anal canal Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Perianal skin Paget disease Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Perianal skin Paget disease Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Proctitis Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Proctitis Disease Has Primary Anatomic Site NCIT · CC BY 4.0

Showing 51–67 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