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Title: Pore  
Author: World Heritage Encyclopedia
Language: English
Subject: Hydathode, Archaeocyatha, Macromolecular assembly, Xylem, Disambiguation pages with links/August 2015
Publisher: World Heritage Encyclopedia


Pore may refer to:


  • Biology 1
    • Animal biology and microbiology 1.1
    • Plant biology 1.2
    • Cell and molecular biology 1.3
  • Physical sciences 2
  • Other uses 3
  • See also 4


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
  • Ozopore, the external discharge site of defensive glands in millipedes and some arachnids
  • 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

Plant biology

  • Germ pore, a small pore in the outer wall of a fungal spore through which the germ tube exits upon germination
  • 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

Cell and 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

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
  • Pore (bread), an air pocket in bread
  • Void (composites), a pore that remains unoccupied in a composite material

Other uses

See also

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