| lacrimal part of orbicularis oculi muscle | <anatomy> See: orbicularis oculi muscle. Synonym: pars lacrimalis musculi orbicularis oculi, Duverney's muscle, Horner's muscle, musculus tensor tarsi. (05 Mar 2000) |
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| lacrimal process | A projection from the anterior edge of the inferior concha which articulates with the lower border of the lacrimal bone. Synonym: processus lacrimalis. (05 Mar 2000) |
| lacrimal punctum | The minute circular opening of the lacrimal canaliculus, on the margin of each eyelid near the medial commissure. Synonym: punctum lacrimale, lacrimal opening. (05 Mar 2000) |
| lacrimal reflex | Discharge of tears when the conjunctiva is irritated. (05 Mar 2000) |
| lacrimal sac | The upper portion of the nasolacrimal duct into which empty the two lacrimal canaliculi; empty. Synonym: saccus lacrimalis, dacryocyst, sacculus lacrimalis, tear sac. (05 Mar 2000) |
| lacrimal vein | <anatomy, vein> Small vein which it drains the lacrimal gland, passing posteriorly through the orbit with the lacrimal artery to empty into the superior ophthalmic vein. Synonym: vena lacrimalis. (05 Mar 2000) |
| lacrimation | Shedding tears. (12 Dec 1998) |
| lacrimator | A substance that makes the eyes water. (09 Oct 1997) |
| lacrimatory | Causing lacrimation. (05 Mar 2000) |
| lacrimo-gustatory reflex | Chewing of food causing secretion of tears. See: crocodile tears syndrome. (05 Mar 2000) |
| lacrimoconchal suture | Line of union of the lacrimal bone with the inferior nasal concha. Synonym: sutura lacrimoconchalis. (05 Mar 2000) |
| lacrimomaxillary suture | Line of union, on the medial wall of the orbit, between the anterior and inferior margin of the lacrimal bone and the maxilla. Synonym: sutura lacrimomaxillaris. (05 Mar 2000) |
| lacrimotomy | The operation of incising the lacrimal duct or sac. Origin: L. Lacrima, tear, + G. Tome, incision (05 Mar 2000) |
| lacrymiform | Tear-shaped. (09 Oct 1997) |
| lact- | Milk. See: galacto-. Origin: L. Lac, lactis (05 Mar 2000) |