WordNet

a purplish red pigment prepared from lac or cochineal
any of numerous bright translucent organic pigments
a body of (usually fresh) water surrounded by land
relating to or located near the organ that produces tears (同)lachrymal
of or relating to tears (同)lachrymal
the syllable naming the sixth (submediant) note of a major or minor scale in solmization (同)lah

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『湖』
深紅色の顔料
=lachrymal / 涙腺(るいせん)の近くにある
ラ(全音階の第6音)

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/05/29 14:41:13」(JST)

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The lacrimal lake is the pool of tears in the lower conjunctival cul-de-sac, which drains into the opening of the tear drainage system (the puncta lacrimalia).^[1] The volume of the lacrimal lake has been estimated to be between 7 and 10 µL.^[2]

Although the lacrimal lake usually contains 7-10 µL of tears, the maximum fluid it can usually hold is 25-30 µL before tearing occurs. Aging usually causes the eyelids to become more loose which in turn enables the lacrimal lake to hold even more fluid.

The lacrimal papilla is an elevation located on the medial canthus where the punctum is found.

References

^ Cassin, B. and Solomon, S. Dictionary of Eye Terminology. Gainesville, Florida: Triad Publishing Company, 1990.
^ www.collectionscanada.ca

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UpToDate Contents

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English Journal

[Comparison of balloon catheter dilatation and silicon intubation as the secondary treatment for congenital nasolacrimal duct obstruction after failed primary probing].

Hu M1, Wu Q, Fan YW, Cao WW, Lin Q, Yu G.
[Zhonghua yan ke za zhi] Chinese journal of ophthalmology.Zhonghua Yan Ke Za Zhi.2016 Feb 11;52(2):123-8. doi: 10.3760/cma.j.issn.0412-4081.2016.02.009.
OBJECTIVE: To determine the success rates and compare the results of balloon catheter dilation and nasolacrimal intubation as treatment for congenital nasolacrimal duct obstruction after failed probing, stratified by category of age and type of obstruction.METHODS: It was a prospective, randomized,
PMID 26906708

Comprehensive Review of the Literature on Existing Punctal Plugs for the Management of Dry Eye Disease.

Jehangir N1, Bever G2, Mahmood SM3, Moshirfar M4.
Journal of ophthalmology.J Ophthalmol.2016;2016:9312340. doi: 10.1155/2016/9312340. Epub 2016 Mar 7.
Numerous designs of punctal and canalicular plugs are available on the market. This variety presents challenges to ophthalmologists when choosing punctal plugs for the management of various ocular conditions. The aim of this literature review is to provide a classification system for lacrimal occlus
PMID 27088009

Review: The Lacrimal Gland and Its Role in Dry Eye.

Conrady CD1, Joos ZP1, Patel BC1.
Journal of ophthalmology.J Ophthalmol.2016;2016:7542929. doi: 10.1155/2016/7542929. Epub 2016 Mar 2.
The human tear film is a 3-layered coating of the surface of the eye and a loss, or reduction, in any layer of this film may result in a syndrome of blurry vision and burning pain of the eyes known as dry eye. The lacrimal gland and accessory glands provide multiple components to the tear film, most
PMID 27042343

「涙湖」

Lacrimal lake
	Front of left eye with eyelids separated to show medial canthus.
Details
Identifiers
Latin	lacus lacrimalis
Dorlands; /Elsevier	l_01/12475299
TA	A15.2.07.063
FMA	59402
	Anatomical terminology [edit on Wikidata]