punctum (redirected from misplaced punctum)

punctum /punc·tum/ (pungk´tum) pl. punc´ta   [L.] a point or small spot.

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punctum cae´cum  blind spot.

punctum lacrima´le  lacrimal point.

punctum prox´imum  near point.

punctum remo´tum  far point.

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punc·tum (pngktm)

n. pl. punc·ta (-t)

1. The tip of a sharp anatomical process.

2. A minute round spot differing in color or appearance from the surrounding tissues; a point.

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Punctum

Tiny opening at the inner corners of the upper and lower lids. The area for the beginning of tear drainage.

Mentioned in: Dacryocystitis

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punctum

[pungk′təm]

a physiologic area or point.

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punctum [pungk´tum] (L.)

a point or small spot.

punctum cae´cum blind spot.

punctum lacrima´le (pl. punc´ta lacrima´lia), an opening of a lacrimal duct on the edge of the eyelid.

punctum prox´imum near point.

punctum remo´tum far point.

punc´ta vasculo´sa minute red spots that mark the cut surface of white matter of the brain.

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punctum

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

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imperforate punctum

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 punctum

variations in the position of the lacrimal puncta, seen most commonly in brachycephalic dogs, may interfere with tear drainage.

punctum nasolacrimal

see lacrimal punctum.

obstructed punctum

may result from foreign bodies, inflammation, or swelling of the lower eyelid.