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lacrimal bone

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noun Anatomy.

a small, thin, membrane bone forming the front part of the inner wall of each orbit.

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Also called lacrimal.

Origin of lacrimal bone

First recorded in 1850–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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Medical definitions for lacrimal bone

lacrimal bone

n.

A thin irregularly rectangular plate forming part of the medial wall of the eye socket behind the frontal process of the maxilla.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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