Aperture (disambiguation)
# Aperture (disambiguation)

The aperture of an optical system is the opening that limits the amount of light that can pass through.

Aperture may also refer to:

## Science and technology

* In anatomy, a number of apertures in the human body:
   * Apertura nasalis posterior
   * Apertura pelvis inferior
   * Apertura pelvis minoris
   * Apertura pelvis superior
   * Apertura thoracis inferior
   * Apertura thoracis superior
   * Lateral aperture (foramen of Luschka), an opening in each lateral extremity of the lateral recess of the fourth ventricle of the human brain
   * Median aperture (foramen of Magendie), which drains cerebrospinal fluid (CSF) from the fourth ventricle into the cisterna magna
* Antenna aperture, a physical parameter of an antenna
* Aperture (mollusc), the main opening in the shell of a gastropod or scaphopod (mollusc)
* Aperture (botany), a weaker spot in the wall of a pollen grain
* Numerical aperture is a parameter used to describe optical systems
* Aperture (computer memory), a region of the physical address space that opens access to a particular device or memory unit
* Aperture (software), an image organization and editing program for photographers, sold by Apple Inc.

## Other uses

* Aperture (magazine), a long-running art photography magazine
* "Aperture" (song), a song by Emily Blue
* Aperture (typography), an enclosed loop in a typographical symbol, such as the lower part of the letter 'a'
* Aperture Foundation, a photography nonprofit
* Aperture Science, a fictional organization featured in the Portal video game series
