punctum
[pungk´tum] (L.) a point or small spot.
punctum lacrima´le (pl. punc´ta lacrima´lia), an opening of a lacrimal duct on the edge of the eyelid.
punc´ta vasculo´sa minute red spots that mark the cut surface of white matter of the brain.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
lac·ri·mal punc·tum
[TA] the minute circular opening of the lacrimal canaliculus, on the margin of each eyelid near the medial commissure.
Farlex Partner Medical Dictionary © Farlex 2012
lacrimal punctum
A small, round or oval, opening of the lacrimal canaliculus (duct) on the margin of each eyelid near the inner canthus and situated in the middle of a small elevation the lacrimal papilla. A lacrimal punctum is normally visible only if the lid is everted. Plural: lacrimal puncta. Syn. lacrimal point.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann