Aperture (disambiguation)

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

Aperture may also refer to:

In science and technology:

  • In anatomy, a number of apertures in the human body
    • In neuroanatomy:
      • 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
  • Aperture (antenna), 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:

See also[edit]