Give Meanings for the Following Suffixes and Prefixes

question 214

Short Answer

Give meanings for the following suffixes and prefixes.
-tetra-: __________

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Definitions:

Visual System

The part of the central nervous system which enables organisms to process visual detail, and includes the eye, the optic nerves, and the brain's visual cortex.

Rods

Photoreceptor cells in the retina of the eye that are responsible for vision at low light levels but do not mediate color vision.

Peripheral Vision

The part of vision that occurs outside the very center of gaze, allowing humans to perceive objects and movements at the edges of their visual field.

Rod Cells

Photoreceptor cells in the retina of the eye that are responsible for vision at low light levels and are not involved in color vision.