BOUNDING PUPIL Meaning and
Definition
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The term "bounding pupil" refers to a medical condition characterized by an abnormally reactive and excessively dilated pupil in response to light. It is a neurological sign commonly associated with increased intracranial pressure or severe injury to the brain.
The pupil refers to the circular opening in the center of the iris, which regulates the amount of light entering the eye. In a healthy individual, the pupil normally constricts (becomes smaller) in bright light and dilates (enlarges) in darkness. However, in the case of a bounding pupil, the pupil exhibits an exaggerated dilation response, even to minimal light exposure.
Bounding pupil can indicate a serious underlying medical condition, such as a head injury, brain tumor, brain abscess, or brain hemorrhage. It occurs due to a disruption in the normal autonomic control of the size of the pupil, caused either by direct damage to the nerves involved in pupillary reflexes or by increased pressure on these nerves due to swelling or compression.
Clinically, a bounding pupil can be observed by a healthcare professional using a penlight or other sources of light to assess the pupillary response. The diagnosis of bounding pupil typically prompts further investigations, such as imaging scans (CT or MRI) and other neurological examinations, to identify the underlying cause and guide appropriate treatment.
Management of a bounding pupil primarily focuses on addressing the underlying condition. Prompt medical intervention and evaluation by a healthcare professional are necessary to determine the cause and initiate timely treatment to prevent potential complications.
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Anisocoria in which there is a rapid dilatation of the pupil alternating with contraction.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for BOUNDING PUPIL
- bounding pupal
- bounding pupml
- bounding puphl
- bounding pupid
- bounding pupih
- bounding pupin
- bounding pupim
- boundinngpupil
- boundingpupiel
- b ounding pupil
- bo unding pupil
- bou nding pupil
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- bound ing pupil
- boundi ng pupil
- boundin g pupil
- bounding pupi l
Etymology of BOUNDING PUPIL
The term "bounding pupil" does not have a specific etymology as it is a descriptive term rather than an individual word. However, it can be broken down into "bounding" and "pupil" to understand their origins:
- "Bounding": Comes from the verb "bound", which has Old French and Latin roots. In Old French, "bounder" meant "to leap, rebound". It stems from the Latin word "bundus" meaning "vaulted, rising, swelling", ultimately derived from the Proto-Indo-European root "*bʰendʰ-" meaning "to bind".
- "Pupil": Comes from the Latin word "pupillus", which means "orphan" or "minor". It is related to "pupa", which means "little girl" or "doll". The Roman term "pupillus" referred to a ward or minor under the protection of a guardian.
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