Definition

1. Noun:
   • An artery supplying blood to the face and head: The external carotid is a major artery that branches from the common carotid artery. Its primary function is to supply oxygenated blood to the external structures of the head, including the face, scalp, tongue, and neck muscles.

Usage

• The term "external carotid" is used in medical, anatomical, and biological contexts. It is typically preceded by the definite article "the" and often appears with related terms like "artery," "branch," or "supply."
• Example:

Examples

• Noun:
  • A blockage in the external carotid can cause symptoms in the face or scalp.
  • The pulse of the external carotid artery can sometimes be felt in front of the ear.

Advanced Usage

• "External carotid artery": This is the full anatomical term. While "external carotid" is commonly understood to mean the artery, specifying "artery" is standard in formal medical writing.
  • The angiogram showed a stenosis in the proximal external carotid artery.

Variants and Related Words

• External carotid artery (ECA): The full term, often abbreviated as ECA in medical notes.
• Common carotid artery: The main artery from which the external and internal carotid arteries branch.
• Internal carotid artery: The other major branch of the common carotid, which supplies blood to the brain.

Synonyms

• ECA: A common acronym used in medical shorthand.
• Facial artery supplier: A descriptive, non-technical synonym (note: the facial artery is a specific branch of the external carotid).

Related Phrases

• Branch of the external carotid: Refers to the smaller arteries that diverge from the main external carotid trunk, such as the facial artery or the superficial temporal artery.
  • The maxillary artery is a major branch of the external carotid.
• External carotid system: Refers to the entire network of arteries originating from the external carotid artery.
  • The procedure aimed to revascularize the compromised external carotid system.

Noun

1. the branch of the carotid artery that supplies blood to the face and tongue and external parts of the head