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Fenestration means openings in the walls of a structure. The word comes from the Latin word fenestra ("window").

Architecture, construction and building[edit]

  • Fenestration refers to the design, construction, or presence of openings in a building. Fenestration includes windows, doors, louvers, vents, wall panels, skylights, storefronts, curtain walls, and slope glazed systems.

Medicine and biology[edit]

  • Fenestration—an opening that occurs naturally or is created surgically, as through a biological membrane
  • Fenestra (histology)—one of the pores (fenestrae) in endothelial cells to allow rapid exchange between blood vessels and tissue
  • Fenestration (botany)—natural holes in the leaves of some species of plants

Other uses[edit]

  • Fenestration, the practice of placing holes in the rudder of a ship to reduce the work required to move the rudder while preserving its ability to steer the ship

See also[edit]