Sensory Organs and Associated Structures – Fill-in-the-Blank Review

20 fill-in-the-blank flashcards to practice key terms, structures, and their associated senses from the lecture notes.

__ are specialized structures on the tongue responsible for the sense of taste.

Taste buds

The __ is the visible part of the ear associated with hearing.

Auricle

__ are photoreceptor cells in the retina that detect color and are essential for sight.

Cones

The taste quality detected when sugar is dissolved on the tongue is described as __.

Sweet

The term __ refers to the sense of smell.

Olfaction

The clear, gel-like substance filling the eyeball behind the lens is called the __, important for sight.

Vitreous humor

Light first enters the eye through the transparent front layer known as the __.

Cornea

Vibrations from the stapes enter the inner ear through the __, enabling hearing.

Oval window

Sound waves cause the __, commonly called the eardrum, to vibrate.

Tympanic membrane

__ detect odor molecules within the nasal cavity, allowing the sense of smell.

Olfactory receptors

Uncontrolled __ can damage retinal blood vessels and lead to loss of sight.

Diabetes

Visual impulses travel from the retina to the brain along the __.

Optic nerve

The light-sensitive layer lining the back of the eye is the __.

Retina

The spiral-shaped __ of the inner ear converts sound vibrations into nerve signals.

Cochlea

The transparent __ of the eye focuses incoming light onto the retina.

Lens

__ are photoreceptors that function in dim light and contribute to sight.

Rods

The basic taste produced by sodium chloride is described as __.

Salty

The malleus, incus, and stapes are collectively known as the __ and amplify sound.

Ossicles

The region of the retina lacking photoreceptors, creating a __ in the visual field, is where the optic nerve exits.

Blind spot

The __ is the point on the retina where ganglion cell axons converge to form the optic nerve.

Optic disc