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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 (fenestrae in endothelium of glomerular capillaries are larger, more numerous and more irregular in outline than fenestrae in other capillaries) [1]
  • Fenestration (botany): natural holes in the leaves of some species of plants
    • Fenestrated leaf: specialized leaves of succulent plants with transparent or translucent windows to optimize light capture

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]


  1. ^ <Ross, Michael H. Histology: a text and atlas: with correlated cell and molecular biology></Michael H. Ross, Wojciech Pawlina, -6th ed. p.421; cm>