Lacrimal artery
Lacrimal Artery
The Lacrimal Artery (pronunciation: /ˈlækrɪməl ˈɑːrtəri/) is an important blood vessel in the human body that supplies oxygenated blood to the lacrimal gland, eyelids, and conjunctiva.
Etymology
The term "Lacrimal" is derived from the Latin word "lacrima," which means "tear." This is in reference to the artery's role in supplying blood to the lacrimal gland, which is responsible for producing tears.
Anatomy
The Lacrimal Artery originates from the ophthalmic artery, which is a major branch of the internal carotid artery. It travels laterally to the lacrimal gland, located in the upper outer quadrant of the orbit. Along its course, it gives off several branches to supply the upper eyelid, conjunctiva, and parts of the lateral rectus muscle.
Related Terms
- Ophthalmic Artery: The main artery that supplies blood to the eye and its surrounding structures. The Lacrimal Artery is one of its branches.
- Lacrimal Gland: A small, almond-shaped gland located in the upper outer quadrant of the orbit. It produces tears to lubricate the eye.
- Conjunctiva: A thin, transparent tissue that covers the front part of the eye and the inner surface of the eyelids.
- Internal Carotid Artery: One of the two main arteries on either side of the neck that supply blood to the brain. The ophthalmic artery, and subsequently the Lacrimal Artery, originate from it.
- Lateral Rectus Muscle: One of the six muscles that control the movements of the eye. The Lacrimal Artery supplies blood to parts of this muscle.
External links
- Medical encyclopedia article on Lacrimal artery
- Wikipedia's article - Lacrimal artery
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