WordNet

relating to or located near the organ that produces tears (同)lachrymal
of or relating to tears (同)lachrymal

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=lachrymal / 涙腺(るいせん)の近くにある

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/07/20 23:20:22」(JST)

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The lacrimal artery arises close to the optic foramen, and is one of the largest branches derived from the ophthalmic artery. Not infrequently it is given off before the artery enters the orbit.

It accompanies the lacrimal nerve along the upper border of the lateral rectus and supplies the lacrimal gland.

Branches

Its terminal branches, escaping from the gland, are distributed to the eyelids and conjunctiva: of those supplying the eyelids, two are of considerable size and are named the lateral palpebral arteries; they run medially in the upper and lower lids respectively and anastomose with the medial palpebral arteries, forming an arterial circle in this situation.

The lacrimal artery also give off one or two zygomatic branches, one of which passes through the zygomatico-temporal foramen, to reach the temporal fossa, and anastomoses with the deep temporal arteries; another appears on the cheek through the zygomatico-facial foramen, and anastomoses with the transverse facial.

A recurrent branch passes backward through the lateral part of the superior orbital fissure to the dura mater, and anastomoses with a branch of the middle meningeal artery.

Variations

The lacrimal artery is sometimes derived from one of the anterior branches of the middle meningeal artery.

Additional images

Bloodvessels of the eyelids, front view.

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

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English Journal

PMID 16327539

「涙腺動脈」

Lacrimal artery
	The ophthalmic artery and its branches. (Lacrimal artery visible at center right.)
	The tarsi and their ligaments. Right eye; front view. (Lacrimal artery visible at upper left.)
Details
Source	Ophthalmic artery
Branches	Lateral palpebral arteries; zygomatic branches; recurrent branch
Supplies	Lacrimal gland, eyelids, conjunctiva
Identifiers
Latin	Arteria lacrimalis
Dorlands; /Elsevier	a_61/12154804
TA	A12.2.06.027
FMA	49927
	Anatomical terminology; [edit on Wikidata]