anus

/'einəs/

Thân thiện

A doctor points to a diagram of the digestive system, highlighting the anus.

Definition

1. Noun:
   • The excretory opening at the end of the alimentary canal: The "anus" is the terminal opening of the digestive tract through which solid waste (feces) is expelled from the body.

Usage

• The word "anus" is a standard, formal anatomical term. It is used in medical, biological, and scientific contexts. In everyday conversation, more informal or euphemistic terms are often used.

Examples

• Noun:
  • The doctor examined the patient's anus for signs of infection.
  • In humans, the anus is controlled by two sphincter muscles.

Advanced Usage

• "Anal" (adjective): Pertaining to or located near the anus.
  • Anal hygiene is important for preventing infections.
  • The patient was prescribed an anal suppository.

Variants and Related Words

• Anal (adj): Relating to the anus.
• Anorectal (adj): Pertaining to both the anus and the rectum.
• Perianal (adj): Located around the anus.

Synonyms

• Rectal opening: A descriptive synonym emphasizing its connection to the rectum.
• Fundament: A formal, somewhat archaic term for the buttocks or anus.
• Posterior opening: A clinical descriptive term.

Related Phrases (Not Phrasal Verbs)

• Anal canal: The short terminal section of the large intestine, ending at the anus.
• Anal fissure: A small tear in the lining of the anus.
• Anal sphincter: The muscular ring that controls the opening and closing of the anus.

Học thuật

Noun

1. the excretory opening at the end of the alimentary canal