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Medial palpebral arteries

Field	Value
Name	Medial palpebral arteries
Latin	arteriae palpebrales mediales
Image	Gray514.png
Caption	The ophthalmic artery and its branches. (Medial palpebral labeled at center top.)
BranchFrom	Ophthalmic artery
BranchTo	Superior palpebral arch
inferior palpebral arch
Supplies	Eyelids

inferior palpebral arch The medial palpebral arteries (internal palpebral arteries) are arteries of the head that contribute arterial blood supply to the eyelids. They are derived from the ophthalmic artery; a single medial palpebral artery issues from the ophthalmic artery before splitting into a superior and an inferior medial palpebral artery, each supplying one eyelid.

Anatomy

Origin

A single medial palpebral artery issues from the ophthalmic artery before bifurcating into a superior and an inferior medial palpebral artery.

The origin occurs near the trochlea of the superior oblique muscle.****

Course

The medial palpebral arteries leave the orbit to encircle the eyelids near their free margins, forming a superior and an inferior arch, which lie between the orbicularis oculi and the tarsi.****

Anastomoses

The superior medial palpebral artery anastomoses (at lateral angle of the orbit) with the upper lateral palpebral artery, and the zygomaticoorbital branch of the temporal artery.****

The inferior medial palpebral artery anastomoses at the lateral angle of the orbit with the lower lateral palpebral artery, and with the transverse facial artery, and at the medial part of the lid with a branch from the angular artery (from this last anastomoses a branch passes to the nasolacrimal duct, ramifying in its mucous membrane as far as the inferior meatus of the nasal cavity).****

Additional images

File:Gray515.png|Bloodvessels of the eyelids, front view.

References

Gupta, Neha. (2022). "Anatomy, Head and Neck, Eye Arteries". StatPearls Publishing.
Gray, Henry. (1918). "Gray's Anatomy".

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

arteries-of-the-head-and-neck

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