Lab Exam 5 Review

Front

What is the cochlear branch?

Back

The cochlear branch is a part of the vestibulocochlear nerve (cranial nerve VIII) responsible for transmitting sound information from the inner ear to the brain.

Front

What is the Vascular Tunic of the eye?

Back

The Vascular Tunic, also known as the uvea, is the middle layer of the eye that includes the iris, ciliary body, and choroid, providing nourishment and regulating light entry.

Front

What is the function of the Ciliary Muscle?

Back

The Ciliary Muscle controls the shape of the lens in the eye, allowing for accommodation to focus on near or distant objects.

Front

What is the Pupil?

Back

The pupil is the opening in the center of the iris that regulates the amount of light entering the eye.

Front

What is the Bony Labyrinth?

Back

The Bony Labyrinth is a complex system of interconnected cavities in the inner ear that houses the cochlea, vestibule, and semicircular canals.

Front

What is the Ampulla?

Back

The Ampulla is a swelling at the base of each semicircular canal in the inner ear that contains sensory receptors for balance.

Front

What is the External Auditory Meatus?

Back

The External Auditory Meatus, also known as the auditory canal, is the tube that carries sound waves from the outer ear to the eardrum.

Front

What is the role of the Iris in the eye?

Back

The iris is the colored part of the eye that controls the size of the pupil and thus the amount of light that enters the eye.

Front

What is the function of the Choroid?

Back

The choroid is a layer of blood vessels between the retina and the sclera that provides oxygen and nutrients to the outer layers of the retina.

Front

What is the role of the Cochlea?

Back

The cochlea is a spiral-shaped organ in the inner ear that converts sound vibrations into neural signals for the brain.