|
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 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Punctum」の詳細全文を読む スポンサード リンク
|