punctum

n.

[L., a point.]
A point.

||Punctum cæcum. [L., blind point.]
(Anat.) Same as Blind spot, under Blind. -- ||Punctum proximum, near point. See under Point. -- ||Punctum remotum, far point. See under Point. -- ||Punctum vegetationis [L., point of vegetation]
(Bot.), the terminal cell of a stem, or of a leaf bud, from which new growth originates.

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Pl. puncta [L.] a point or small spot.

• imperforate p. — congenital absence of an opening in the lacrimal punctum, usually the lower, occurs most often in toy and miniature poodles. Commonly absent also in pigs.
• misplaced p. — variations in the position of the lacrimal puncta, seen most commonly in brachycephalic dogs, may interfere with tear drainage.
• p. nasolacrimal — see lacrimal punctum.
• obstructed p. — may result from foreign bodies, inflammation, or swelling of the lower eyelid.

IN BRIEF: n. - (anatomy) a point or small area.