Anus

Introduction: Anus

The anus is the outer opening from the rectum. The process of defecation is used to expel feces out of the rectum and through the anus.

Descriptions of Anus

Anus: The opening of the rectum to the outside of the body.
Source: National Institute of Health

Anus: excretory opening at the end of the alimentary canal
Source: WordNet 2.1

Summary Information: Anus

Anus: The anus is an orifice that connects the anal canal of the large intestine to the outside of the body and allows feces to exit the body. The internal anal sphincter and the external anal sphincter are located near the anus.

Conditions that afflict the anus include anal cancer, incontinence, hemorrhoids, anal fissure, and imperforate anus.

Anus: The opening of the rectum where solid waste leaves the body. (Source: excerpt from Prostate Enlargement Benign Prostatic Hyperplasia: NIDDK)

Closely Related Organs: Anus

The following organs are closely related to the organ: Anus:

• Anal canal
• Internal anal sphincter
• External anal sphincter
• Rectum
• Large intestine
• Digestive system
• Gastrointestinal tract
• Feces

Conditions Afflicting Organs: Anus

The following conditions are related to the organ: Anus:

• Anal cancer
• Incontinence
• Hemorrhoids
• Anal fissure
• Imperforate anus

Sub Parts: Anus

The following list contains sub-parts of the organ: Anus:

• Internal anal sphincter
• External anal sphincter

Symptoms Related to Afflictions of: Anus

These symptoms are related to afflictions of the organ: Anus:

• Rectal pain
• Bloody stools
• Rectal bleeding
• Change of stool elimination pattern
• Inability to control stool
• Constipation
• Inability to pass stool

Condition count: 16 ; see list below.

Organ types: Digestive system (127)

Related organs: defecation, buttocks, large intestine (19), bowel (19), colon (16), rectum (21), feces, vagina (44)

Main condition: Anal conditions

Organs: list of all organs

Anus: Related Topics

• Anus symptoms
• Anus disease
• Anus disorder

Diseases List for Anus:

The following list of medical conditions have 'Anus' or similar listed as an affected body part in our database:

A

• Anal Cancer ... anus
• Anal conditions ... anus
• Anal fissure ... anus
• Anal itching ... anus
• Anorectal disorders ... anus

C

• Constipation ... anus

F

• Fecal incontinence ... anus
• Flatulence ... anus

G

• Granuloma inguinale ... anus

H

• Hemorrhoids ... anus

I

• Incontinence ... anus
• Infectious Diarrhea ... anus

P

• Proctitis ... anus

R

• Rectal abscess ... anus
• Rectal prolapse ... anus

T

• Traveler's diarrhea ... anus

More Anatomy Topics

Search Specialists by State and City