Psychology Dictionary
  • Psychology Resources
  1. Home
  2. pupil

pupil

pupil

n. the aperture through which light passes on entering the eye. It is located immediately in front of the lens. The size of the opening is controlled by a circle of muscle (the iris) innervated by fibers of the autonomic nervous system.

Related Terms

thyrotropin-releasing hormone (TRH)

Sorry, "thyrotropin-releasing-hormone-trh" is not in the Dictionary of Psycholog...

buccal speech

buccal speech a type of phonation that does not depend on l...

initial interview

initial interview in psychotherapy, the first interview wit...

tracking

tracking n. 1. the process of smoothly followin...

caffeine intoxication

caffeine intoxication in DSM–IV–TR and DSM–5, intoxication...

nay-saying

nay-saying n. answering questions negatively regardless of...

Quick Info

Category Psychology Term
Definitions 1
First Letter P

Browse by Letter


A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z

© 2025 PsychologyDB.com All rights reserved.

Terms Sitemap Contact