lacrimal bone

(redirected from os unguis)
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lac′rimal bone`

a skull bone extending from each orbit to the nasal region, greatly reduced in mammals.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.lacrimal bone - small fragile bone making up part of the front inner walls of each eye socket and providing room for the passage of the lacrimal ducts
bone, os - rigid connective tissue that makes up the skeleton of vertebrates
cranial orbit, eye socket, orbital cavity, orbit - the bony cavity in the skull containing the eyeball