Lecture Review on Eye Anatomy and Sensory Receptors

These flashcards cover key vocabulary related to eye anatomy, sensory receptors, and physiological conditions affecting vision, as discussed in the lecture.

Lacrimal canals

The channels that carry tears from the eyes to the lacrimal sacs.

Cataract

A condition in which the lens of the eye loses its transparency.

Anterior cavity

The portion of the eyeball that contains aqueous humor.

Spiral organ (organ of Corti)

The organ of hearing located within the inner ear.

Maculae

The sense organs of static equilibrium located in the utricle and saccule.

Joint kinesthetic receptor

A type of receptor that provides information about joint position and movement.

Bulbar conjunctiva

The membrane that is reflected from the eyelids onto the eyeball.

Modality

A characteristic of sensations that distinguishes one sensation from another.

Muscle spindles

Receptors that monitor the stretch of muscles, not cutaneous receptors.

Bitter tastes

The region of the tongue that reacts strongest to bitter tastes is the back.

20/30

A value indicating good visual acuity.

Myopia

Nearsightedness, a condition where distant objects appear blurred.

Tectospinal pathway

An indirect pathway involved in reflexes related to vision and hearing.

Afterimage

The presence of a sensation after a stimulus has been removed.

Exteroceptors

Receptors that provide information about the external environment.

Visceroreceptors

Receptors found in blood vessels and internal organs.

Lacrimal apparatus

Structures that collectively produce and drain tears.

Optic disc

The small area of the retina where no images are formed.