Definition

1. Noun:
   • A branch of the ophthalmic artery: The lacrimal artery is a specific blood vessel that arises from the ophthalmic artery. Its primary function is to supply oxygenated blood to the lacrimal gland (which produces tears), certain muscles responsible for eye movement (rectal eye muscles), the upper eyelid, and the forehead.

Usage

• The term "lacrimal artery" is used in anatomical, medical, and surgical contexts to describe this specific arterial structure.
• It is typically used with definite articles ("the") or possessive determiners when referring to it in a specific subject (e.g., "the patient's lacrimal artery").

Examples

• Noun:
  • During the orbital dissection, the surgeon carefully identified and preserved the lacrimal artery.
  • A blockage in the lacrimal artery can affect tear production.
  • The course of the lacrimal artery was detailed in the anatomy textbook.

Advanced Usage

• Clinical Context: In medical reports or discussions, the term is used to specify the site of potential aneurysms, embolisms, or surgical landmarks.
  • The angiogram revealed an anomaly in the lacrimal artery.

Variants and Related Words

• Lacrimal (adj): Pertaining to tears or the tear-secreting gland.
  • lacrimal gland, lacrimal duct
• Artery (n): A blood vessel that carries blood away from the heart.
• Ophthalmic artery (n): The parent artery from which the lacrimal artery branches.

Synonyms

• Arteria lacrimalis: The formal Latin term used in anatomical nomenclature.

Notes on Different Meanings

• The term "lacrimal artery" has a single, specific anatomical meaning. It does not have idiomatic or figurative uses. It is not to be confused with other orbital arteries, such as the supraorbital artery or the central retinal artery.

Noun

1. an artery that originates from the ophthalmic artery and supplies the lacrimal gland and rectal eye muscles and the upper eyelid and the forehead