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pore: Wikis


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Encyclopedia

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
  • Gonopore, a genital pore present in some invertebrates, particularly insects
  • 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

See also


Wiktionary

Up to date as of January 15, 2010

Definition from Wiktionary, a free dictionary

Contents

English

Etymology 1

From Middle English pouren from Old French, from Latin porus, from Ancient Greek πόρος (poros), passage).

Pronunciation

Homophones

Noun

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Wikipedia

Singular
pore

Plural
pores

pore (plural pores)

  1. a tiny opening in the skin
  2. by extension any small opening or interstice, especially one of many or allowing passage of a fluid.
Translations

Etymology 2

Middle English pouren "to gaze intently, look closely" from Old English *purian, suggested by Old English spyrian "to investigate, examine". Akin to Middle Dutch poren "to pore, look", Old English spor "track, trace, vestige"

Verb

Infinitive
to pore

Third person singular
pores

Simple past
pored

Past participle
pored

Present participle
poring

to pore (third-person singular simple present pores, present participle poring, simple past and past participle pored)

  1. to study meticulously; to go over again and again.
  2. to meditate or reflect in a steady way.
Translations

Anagrams


Danish

Etymology

From Latin porus from Ancient Greek πόρος (poros).

Pronunciation

  • IPA: /poːrə/, [ˈpʰoːɐ]

Noun

pore c. (singular definite poren, plural indefinite porer)

  1. pore (a tiny opening in the skin)

Inflection


French

Noun

pore m. (plural pores)

  1. pore (small opening in skin)
  2. by extension, small openings

Simple English

Simple English Wiktionary has the word meaning for:

A pore, in general, is some form of opening, usually very small.

In biology:








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