The Sensory System

Front 1

The vascular, pigmented middle tunic of the eyeball

Back 1

Choroid

Front 2

A vision receptor that is sensitive to color

Back 2

Cone

Front 3

The part of the eye that light rays pass through first as they enter the eye

Back 3

Cornea

Front 4

Membrane that lines the eyelids

Back 4

Conjunctiva

Front 5

Another name for the "blind spot", the region where the optic nerve connects to the eye

Back 5

Optic Disk

Front 6

Innermost coat of the eyeball, the nervous tissue layer that include the receptors for the sense of vision

Back 6

Retina

Front 7

A vision recetor that functions well in dim light

Back 7

Rod

Front 8

Structure that alters the shape of the lens for accomodation

Back 8

Ciliary Muscle

Front 9

The watery fluid that fills much of the eyeball in front of the crystalline lens

Back 9

Aqueous Humor

Front 10

Two sets of muscle fibers that regulate the amount of light entering the eye

Back 10

Iris

Front 11

The jelly-like material located behind the crystallinelens that maintains the spherical shape of the eyeball

Back 11

Vitreous Body

Front 12

A pigment needed for vision

Back 12

Rhodopsin

Front 13

The depressed area in the retina that is the point of clearest vision

Back 13

Fovea Centralis

Front 14

The fluid contained within the membranous labyrinth of the inner ear

Back 14

Endolymph

Front 15

The bone that interacts with the tympanic membrane

Back 15

Malleus

Front 16

Another name for the projecting part, or auricle, of the ear

Back 16

Pinna

Front 17

The channel connecting the middle ear cavity with the pharynx

Back 17

Eustachian Tube

Front 18

The fluid of the inner ear contained within the bony labyrinth and surrounding the membranous labyrinth

Back 18

Perilymph

Front 19

Cilitated receptor cells that detect sound waves

Back 19

Organ of Corti

Front 20

The skeleton of the inner ear

Back 20

Bony Labyrinth

Front 21

The sense of knowing the position of the head in relation to gravity

Back 21

Static Equilibrium

Front 22

Smaal crystals that activate maculae

Back 22

Otoliths

Front 23

The receptor cells in dynamic equilibrium

Back 23

Cristae

Front 24

Two small chambers containing maculae

Back 24

Vestibule

Front 25

The branch of the vestibulocochlear nerve that carries hearing impulses

Back 25

Cochlear Nerve

Front 26

The nerve that carries visual impulses from the retina to the brain

Back 26

Optic Nerve

Front 27

The branch of fifth cranial nerve that carries impulses of pain, touch, and temperature from the eye to the brain

Back 27

Ophthalmic Nerve

Front 28

The largest of the three cranial nerves that carry motor fibers to the eyeball muscles

Back 28

Oculomotor Nerve

Front 29

The sense of knowing the position of one's body and the relative positions of different muscles

Back 29

Proprioception

Front 30

The sense of body movement

Back 30

Kinesthesia

Front 31

A person who lacks cones in the retina will experience

Back 31

Color Blindness

Front 32

The organ of the Corti is the receptor for

Back 32

Hearing

Front 33

Receptors that detect changes in temperature

Back 33

Free Nerve Endings

Front 34

A term related to the sense of taste

Back 34

Gustatory

Front 35

Alterations in the lens' shape to allow foe near or far vision

Back 35

Accomodation

Front 36

The term lacrimation refers to the secretion of

Back 36

Tears

Front 37

Pain killers are released from certain regions of the brain are

Back 37

Endorphins