cardia

IPA/ˈkɑː.di.ə/
KK[kˈɑrdiə]IPA/ˈkɑːr.di.ə/

cardia — noun

  • cardiasingular
  • cardiasplural

1. the area where the esophagus meets the stomach, together with the surrounding mu

1.nounC2
Definition

the area where the esophagus meets the stomach, together with the surrounding muscle ring that blocks the upward movement of digestive fluids.

Example

The surgeon repaired the cardia during the operation to stop acid reflux.

collocation: repair + cardia (surgical context)

Cancer of the cardia is rare but can be treated if found early.

collocation: cancer of the cardia

Common collocations
  • cancer of the cardia
  • cardia function
  • cardia opening
  • repair the cardia
  • examine the cardia
Synonyms

Grammar Patterns

the cardia

Usage Note

A specialised medical term used mainly in anatomy and gastroenterology. Often appears in phrases like 'cancer of the cardia' or 'cardia function'. Not to be confused with the adjective 'cardiac', which primarily relates to the heart — though 'cardia' and 'cardiac' share the same Greek root (kardia = heart).

Common Mistakes

The doctor said my cardia needs a check-up' (meaning my heart).
The doctor said my heart needs a check-up.
'Cardia' is a stomach structure, not the heart.
He suffers from cardia disease' (meaning heart disease).
He suffers from cardiac disease.
'Cardiac' is the adjective for the heart; 'cardia' is a noun for the gastroesophageal opening.

Word family

Synonym discussion

Sense: noun/1

All four terms refer to the same anatomical region where the esophagus meets the stomach, but each emphasises a different aspect. 'Cardia' (from Greek kardia = heart) is the broadest term for the opening and the surrounding stomach area; it is the standard word in medical textbooks for this zone. 'Cardiac sphincter' highlights the ring-shaped muscle that tightens to prevent acid reflux — the word 'sphincter' tells the reader this is a closing mechanism. 'Gastroesophageal junction' (GEJ) is the precise anatomical boundary line where the esophageal tissue changes into stomach tissue; surgeons and pathologists prefer this term when describing exact locations. 'Lower esophageal sphincter' (LES) focuses purely on the muscle function at the lower end of the esophagus. In everyday clinical use: a doctor might say 'the patient has a weak cardia' (general), but for surgery they would refer to 'repairing the gastroesophageal junction' (precise location).

cardia ↗cardiac sphinctergastroesophageal junctionlower esophageal sphincter

Etymology

GreekLatinEnglish

The word 'cardia' comes from the Greek 'kardia' (καρδία), meaning 'heart'. Ancient Greek physicians gave this part of the stomach its name because they believed the upper opening of the stomach was connected to the heart, or because of its physical closeness to the heart in the body. The term passed into Latin medical usage and then into English, where it has been used since at least the 1600s to name this specific anatomical structure.

First known use

1632

1632, in the meaning defined above