A/p: Sensory System: The Eye

Front 1

the outer white layer of the eye

Back 1

sclera

Front 2

the anterior portion of this becomes the cornea

Back 2

sclera

Front 3

the convex clear part of the anterior sclera

Back 3

cornea

Front 4

the middle layer of the eye that supplies nutrients

Back 4

choroid

Front 5

the choroid has large numbers of X

Back 5

blood vessels

Front 6

the innermost layer of the eye

Back 6

retina

Front 7

contains a pigmented reflective layer and a layer of neurons to detect light

Back 7

retina

Front 8

rods and cones are types of

Back 8

neurons

Front 9

neurons positioned in the peripheral areas of the retina that detect black and white

Back 9

rods

Front 10

neurons positioned in the fovea centralis that detect color

Back 10

cones

Front 11

the area of sharpest vision in the retina

Back 11

fovea centralis

Front 12

the colored part of the eye

Back 12

iris

Front 13

the iris is composed of what tissue?

Back 13

smooth muscle

Front 14

what does the iris do to control the amount of light that comes into the eye?

Back 14

dilates or constricts the pupil

Front 15

this structure controls the amount of light that enters the eye

Back 15

iris

Front 16

the space or opening in the iris

Back 16

pupil

Front 17

a clear structure in the eye located between the iris and the vitreous humor

Back 17

crystalline lens

Front 18

the structure responsible for accommodation in the eye

Back 18

Chrystalline lens

Front 19

making adjustments to refract or bend the incoming light rays on the fovea centralis of the retina

Back 19

accommodation

Front 20

the blind spot where the optic nerve attaches to the eye

Back 20

optic disc

Front 21

the optic disk area contains no X or Y

Back 21

rods or cones

Front 22

the circular muscle that surrounds the lens of the eye

Back 22

cilliary muscle

Front 23

the ligament made of tiny fibers that connect the ciliary muscle to the lens

Back 23

suspensory ligament

Front 24

the space between the cornea and the lens

Back 24

anterior chamber

Front 25

the vitreous chamber is filled with X and Y

Back 25

vitreous humor
vitreous body

Front 26

the space behind the lens

Back 26

vitreous chamber

Front 27

muscles used for eye movement

Back 27

extrinsic muscles

Front 28

six extrinsic muscles of the eye:

Back 28

four rectus:
superior, inferior, medial, lateral
two oblique:
superior, inferior

Front 29

the two extrinsic eye muscles that move the eye away from the midline are:

Back 29

superior and inferior obliques

Front 30

five refractive structures of the eye:

Back 30

cornea
aqueous humor
lens
vitreous humor and vitrous body

Front 31

As light enters the eye, to refract means to bend the light rays to focus the image onto what?

Back 31

the fovea centralis

Front 32

protective structures of the eye that shade the eye and prevent particles and perspiration from falling into the eye

Back 32

eyebrow and eyelashes

Front 33

protective structures that form a bony rim around the eye

Back 33

socket

Front 34

protective moveable covering for the eye that moves tears over its surface

Back 34

eyelid

Front 35

the external lining that covers the anterior surface of the eyeball and the posterior surface of the eyelid

Back 35

conjunctiva

Front 36

tear producing glands and their ducts are known collectively as

Back 36

lacrimal apparatus

Front 37

an almond shaped gland that secrets tears onto the upper lateral corner of the eye

Back 37

lacrimal gland

Front 38

a duct through the lacrimal bone that carries tears into the nasal cavity

Back 38

nasolacrimal duct

Front 39

light passes through... give the names of the structures from the outside in...

Back 39

cornea
aqueous humor
pupil
crystalline lens
vitreous body
retina

Front 40

cornea
aqueous humor
lens
vitreous humor
these structures are all X

Back 40

transparent

Front 41

place where light waves get translated into nervous system information

Back 41

retina