Membrane (disambiguation)
# Membrane (disambiguation)

Membrane most commonly means a thin, selective barrier, but it is sometimes used for films that function as separators, like biological membranes. Membrane may also refer to:

Biology:

* Isolating tissues formed by layers of cells
   * Amnion, a membrane in the amniotic sac
   * Basement membrane, a thin sheet of fibers that underlies the epithelium
   * Chorioallantoic membrane, a vascular membrane found in eggs of birds, reptiles and other animals
   * Eardrum, more formally known as Tympanic membrane
   * Fetal membrane, the amnion and chorion which surround and protect a developing fetus
   * Mucous membrane, linings of mostly endodermal origin which are involved in absorption and secretion
   * Serous membrane, a smooth membrane consisting of a thin layer of cells, which secrete serous fluid
   * Tunic membrane, protective membrane covering the testes
   * Patagium, also known as "flight membrane", in some flying and gliding animals
   * Pterygium, a triangular membrane occurring in eyes
* Cell membranes:
   * Plasma membrane, a membrane that separates the interior of all cells from the outside environment
   * Inner nuclear membrane, the biological membrane of nucleus
   * Outer membrane (disambiguation), several meanings

Other uses:

* Acoustic membrane, a thin vibrating layer that produces sound
   * Membranophone, a musical instrument that uses this principle, including most drums
* Membrane keyboard, a computer keyboard whose keys are pressure pads that have only outlines and symbols printed on a flat, flexible surface
* Membrane structure, a sort of spatial structure made of tensioned membranes
* Membrane (M-Theory), a spatially extended mathematical concept that appears in string theory and related theories
* Synthetic membrane, a synthetically created membrane which is usually intended for separation purposes in laboratory or in industry
* The Membranes, a punk band
