Pore

Pore

Pore may refer to:

In animal biology and microbiology:
* Sweat pore, an anatomical structure of the skin of humans (and other mammals) used for secretion of sweat
* Canal pore, an anatomical structure that is part of the lateral line sense system of some aquatic organisms
* An opening across both inner and outer bacterial membranes, a part of many Gram-negative bacterial secretion systems
* One of the openings communicating with the skin surface at the terminus of lactiferous ducts in milk-producing mammals

In plant biology
* Stoma, a small opening on a plant leaf used for gas exchange
* An anatomical feature of the anther in some plant species, the opening through which pollen is released
* A characteristic surface feature of porate pollen

In cell & molecular biology:
* Nuclear pore, a large protein complex that penetrates the nuclear envelope in eukaryotic cells
* Ion channel pore; The ion-selective opening in the membrane of a eukaryotic cell formed by members of the ion channel family of proteins
* A water-selective opening (water channel) in the membrane of a eukaryotic cell formed by assemblies of the protein aquaporin

In the physical sciences:
* One of many small openings in a solid substance of any kind that contribute to the substance's porosity (typical usage in earth sciences, materials science and construction)
* A small defect in the crystal structure that may arise during sintering to form solids from powders, including ceramics

ee also

* Aperture


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  • pore — [ pɔr ] n. m. • fin XIIIe; lat. porus, gr. poros « passage » 1 ♦ Chacun des minuscules orifices de la peau où aboutissent les sécrétions des glandes sudoripares. Cour. Orifice cutané d une glande sudoripare ou de la glande sébacée d un poil.… …   Encyclopédie Universelle

  • Pore — Saltar a navegación, búsqueda Pore Bandera …   Wikipedia Español

  • pore — pore; pseu·do·pore; sal·am·pore; singa·pore; tricho·pore; ac·ro·pore; tu·bi·pore; tu·bu·li·pore; …   English syllables

  • pore — Ⅰ. pore [1] ► NOUN ▪ a minute opening in the skin or other surface through which gases, liquids, or microscopic particles may pass. ORIGIN Greek poros passage, pore . Ⅱ. pore [2] ► VERB 1) ( …   English terms dictionary

  • Pore — Sf std. (15. Jh.) Entlehnung. Entlehnt aus l. porus m., dieses aus gr. póros m., eigentlich Durchgang , zu gr. poreĩn auf dem Weg bringen, hinüberbringen, schicken u.ä., zu gr. pérān drüben, hinter, jenseits . Adjektiv: porös.    Ebenso nndl.… …   Etymologisches Wörterbuch der deutschen sprache

  • Pore — »feine ‹Haut›öffnung«: Das Substantiv wurde im 15. Jh. aus gleichbed. spätlat. porus entlehnt, das seinerseits aus griech. póros »Durchgang; Öffnung; Pore« übernommen ist. Dies ist eine Bildung zum Stamm der mit dt. ↑ fahren urverwandten Verben… …   Das Herkunftswörterbuch

  • Pore — Pore, n. [F., fr. L. porus, Gr. ? a passage, a pore. See {Fare}, v.] 1. One of the minute orifices in an animal or vegetable membrane, for transpiration, absorption, etc. [1913 Webster] 2. A minute opening or passageway; an interstice between the …   The Collaborative International Dictionary of English

  • Pore — Pore, v. i. [imp. & p. p. {Pored}; p. pr. & vb. n. {Poring}.] [OE. poren, of uncertain origin; cf. D. porren to poke, thrust, Gael. purr.] To look or gaze steadily in reading or studying; to fix the attention; to be absorbed; often with on or… …   The Collaborative International Dictionary of English

  • pore — pore, pour The verb pore means ‘to think closely about (a subject)’ and is chiefly used in the phrasal verb to pore over (a book etc.). It is sometimes mistakenly written as pour, perhaps by false analogy with ‘pouring attention’ over something …   Modern English usage

  • pore — [n] small aperture in skin foramen, opening, orifice, outlet, stoma, sweat gland, vesicle; concept 418 pore [v] go over carefully brood, contemplate, dwell on, examine, look over, muse, peruse, ponder, read, regard, scan, scrutinize, study;… …   New thesaurus

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