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The Collaborative International Dictionary
Punctum

Punctum \Punc"tum\, n. [L., a point.] A point.

Punctum c[ae]cum. [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.

Wiktionary
punctum

n. (context anatomy English) a sharp tip of any part of the anatomy; a point or other small area

WordNet
punctum

n. (anatomy) a point or small area

Wikipedia
Punctum

Punctum, plural puncta, adjective punctate, is an anatomical term that refers to a sharp point or tip. It may also refer to:

Medical
  • Lacrimal punctum, one in each eyelid, commence at minute orifices, termed puncta lacrimalia, collect tears produced by the lacrimal glands
  • Blind spot (vision), punctum cecum, the blind spot in human vision corresponding to the location of the optic disk
  • Erb's point (neurology), punctum nervosum, in humans, a site at the lateral root of the brachial plexus located 2–3 cm above the clavicle
  • Imperforate lacrimal punctum, a congenital disorder of dogs involving the lack of an opening to the nasolacrimal duct (tear duct) in the conjunctiva
Other
  • Punctum delens, typographic marks used to indicate deletion, can be a small point, an X or a strike-through
  • Neume, the basic element of Western and Eastern systems of musical notation prior to the invention of five-line staff notation
  • Equant, punctum aequans, is a mathematical concept developed by Claudius Ptolemy in the 2nd century AD to account for the observed motion of heavenly bodies
  • in Camera Lucida (book), studium and punctum
  • a medieval unit of time corresponding to a Quarter-hour
Landsnails in genus Punctum
  • Punctum (gastropod), a genus of land snails
  • Punctum blandianum, a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Punctidae
  • Punctum minutissimum, a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Punctidae
  • Punctum pygmaeum, a species of very small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Punctidae
  • Punctum randolphi, a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Punctidae
Unrelated species named punctum
  • Allium punctum, dotted onion, a species of wild onion, native to the western United States in and around
  • Amyna punctum, a moth of the Noctuidae family, found throughout subtropical Africa and Australasia
  • Cinguloterebra punctum, a species of sea snail, a marine gastropod mollusk in the family Terebridae, the auger snails
  • Phylloxiphia punctum, a moth of the Sphingidae family, found in the savanna of Southeast Africa
  • Sepsis punctum, a European species of fly and a member of the family Sepsidae
  • Zygaena punctum, a species of moth in the Zygaenidae family, found in most of Central and Southern Europe and in the Ukraine, Russia and Turkey
Punctum (gastropod)

Punctum is a genus of very small air-breathing land snails, terrestrial pulmonate gastropod mollusks or micromollusks in the family Punctidae, the dot snails.

Usage examples of "punctum".

You speak of this and that, of strategy and the punctum gravissimum and the West and the East, and in the world of men what you say may have a meaning.

I have plenty of ideas and facts, you know, and I can see he is just the man to put them into shape--remembers what the right quotations are, omne tulit punctum, and that sort of thing--gives subjects a kind of turn.