Definition

1. Noun:
   • A pouch-like cavity at the beginning of the large intestine: The caecum (also spelled cecum) is the first part of the large intestine, forming a blind pouch where the small intestine (ileum) opens into it. It is located in the lower right abdomen.
   • An anatomical structure in some animals: In many herbivorous animals, the caecum is larger and serves as a site for fermentation of plant material.

Examples of Usage

• Noun:
  • The ileum empties its contents into the caecum.
  • In humans, the appendix is attached to the caecum.
  • Rabbits have a large caecum to help digest cellulose.

Advanced Usage

• "The ileocaecal valve": This is the sphincter muscle valve that separates the end of the small intestine (ileum) from the caecum, controlling the flow of digested material.
  • The ileocaecal valve prevents backflow from the large intestine.

Variants and Related Words

• Cecum: The American English spelling of "caecum".
• Caecal (adj): Pertaining to the caecum.
  • Caecal inflammation can cause abdominal pain.
• Ileocaecal (adj): Relating to both the ileum and the caecum.
  • The ileocaecal region is a common site for certain infections.

Synonyms

• Blind gut: An older or less technical term for the caecum, referring to its pouch-like, closed-end structure.

Related Phrases

• Caecal volvulus: A medical condition involving a twist of the caecum.
  • Caecal volvulus is a surgical emergency.
• Caecal bascule: A specific type of bowel obstruction related to the caecum.

Noun

1. the cavity in which the large intestine begins and into which the ileum opens
   • the appendix is an offshoot of the cecum