A Hole in Bone That Provides a Passage for Nerves

question 45

Multiple Choice

A hole in bone that provides a passage for nerves and blood vessels is called a:

• A) foramen.
• B) styloid.
• C) fissure.
• D) sinus.

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Definitions:

Sensory Retina

The part of the retina that contains photoreceptor cells (rods and cones) responsible for converting light into electrical signals for vision.

Macula Lutea

A region in the retina responsible for high-acuity vision where a high concentration of photoreceptor cells are located.

Fovea Centralis

A small pit in the retina of the eye where visual acuity (sharpness) is highest, due to a high concentration of cone cells.

Pupil

The black central opening of the iris in the eye, through which light enters the eye, adjusting in size to regulate the amount of light that enters.