Have a symptom?
See what questions
a doctor would ask.
Organs » Pupil


Descriptions of Pupil

Pupil : opening at the center of the iris of the eye through which light enters.
Source: CRISP

Pupil : The circular opening in the centre of the iris which allows light to pass into the lens of the eye.

Article Excerpts about Pupil

The pupil (black) is an opening in the iris that allows light into the eye.

Summary Information: Pupil

Pupil: The pupil is a specialized structure of the eye. The pupil is easily seen as the black part of center of the eye. The pupil has the ability to get expand or constrict in order to control the amount of light that reaches the retina. This action protects the retina from excessive light and also helps to sharpen vision of near objects or fine tasks, such as reading or needlework.

Light flows through the cornea and the pupil onto the lens before it is projected onto the retina. Conditions that can afflict the pupil include Adie's syndrome, stroke, death, some drugs, increased intracranial pressure, and trauma.

Closely Related Organs: Pupil

The following organs are closely related to the organ: Pupil:

Conditions Afflicting Organs: Pupil

The following conditions are related to the organ: Pupil:

Symptoms Related to Afflictions of: Pupil

These symptoms are related to afflictions of the organ: Pupil:

Condition count: 0

Organ types: Eye (104)

Organs: list of all organs

Pupil: Related Topics

More Anatomy Topics

  • Internal Intercostal Muscles
  • Internal Jugular Vein
  • Internal Obliques
  • Internal Respiration
  • Internal Rotation
  • Internal Urethral Sphincter Muscle
  • Interneurons
  • Internodal Pathways
  • Interosseous Carpometacarpal Ligaments
  • Interosseous Membrane of the Forearm

    By using this site you agree to our Terms of Use. Information provided on this site is for informational purposes only; it is not intended as a substitute for advice from your own medical team. The information on this site is not to be used for diagnosing or treating any health concerns you may have - please contact your physician or health care professional for all your medical needs. Please see our Terms of Use.

    Home | Symptoms | Diseases | Diagnosis | Videos | Tools | Forum | About Us | Terms of Use | Privacy Policy | Site Map | Advertise