Anatomy Special Senses Review

Front

What is the function of the auricle in the ear?

Back

The auricle, or pinna, collects sound waves and directs them into the ear canal.

Front

What are the ossicles in the middle ear?

Back

The ossicles are three small bones (malleus, incus, stapes) that transmit sound vibrations from the eardrum to the inner ear.

Front

What is the pharyngotympanic tube and its purpose?

Back

The pharyngotympanic tube (Eustachian tube) connects the middle ear to the nasopharynx and helps equalize air pressure on both sides of the eardrum.

Front

What is the round window's role in the ear?

Back

The round window allows for the displacement of fluid in the cochlea, enabling sound waves to be converted into nerve impulses.

Front

What is vitreous humor?

Back

Vitreous humor is a gel-like substance that fills the larger chamber of the eye, helping maintain its shape.

Front

What is the function of aqueous humor?

Back

Aqueous humor is a clear fluid that fills the anterior chamber of the eye, providing nutrients and maintaining intraocular pressure.

Front

What is the significance of the fovea centralis?

Back

The fovea centralis is a small pit in the retina that contains a high concentration of cones, providing the sharpest vision.

Front

What are chemoreceptors?

Back

Chemoreceptors are sensory receptors that respond to chemical stimuli, such as those involved in taste and smell.

Front

What is the difference between gustatory and olfactory receptors?

Back

Gustatory receptors are responsible for taste, while olfactory receptors are responsible for the sense of smell.

Front

Why is vision not fully functional at birth?

Back

At birth, the visual system is still developing, and newborns have limited visual acuity and depth perception.