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

Tay–Sachs disease (TSD)

Sorry, "tay-sachs-disease-tsd" is not in the Dictionary of Psychology. Please re...

hypotropia

hypotropia n. see strabismus.

apoptosis

apoptosis n. see programmed cell death. —apopto...

sampling with replacement

sampling with replacement a sampling technique in which eac...

spasticity

spasticity n. a state of increased tension of resting muscl...

cold cognition

cold cognition a mental process or activity that does not i...

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