Ears & Eyes

Front 1

Back 1

Auricle (pinna)

Front 2

Back 2

External auditory canal

Front 3

Back 3

Tympanic membrane

Front 4

Back 4

Malleus

Front 5

Back 5

Incus

Front 6

Back 6

Stapes

Front 7

Back 7

Round window

Front 8

Back 8

Pharyngotympanic tube

Front 9

Back 9

Semicircular canals

Front 10

Back 10

Vestibule

Front 11

Back 11

Cochlea

Front 12

Back 12

Vestibulocochlear nerve

(Cranial nerve VIII)

Front 13

Which part of the ear funnels sound waves into the ex. auditory canal?

Back 13

Auricle

Front 14

Which part of the ear transmits sound waves to the tympanic membrane?

Back 14

External auditory canal

Front 15

Which part of the ear transmits vibrations to the auditory ossicles?

Back 15

Tympanic membrane

Front 16

Is the tympanic membrane part of the external or middle ear?

Back 16

External

Front 17

Three small bones that amplify and conduct sound

Back 17

Auditory ossicles

Front 18

Membranous opening connected to the stapes

Back 18

Oval window

Front 19

Membranous opening that relieves pressure in cochlea

Back 19

Round window

Front 20

Passage that connects the middle ear with the back of the throat

Back 20

Pharyngotympanic tube

Front 21

Fluid found in the membranous labyrinth

Back 21

Endolymph

Front 22

Fluid found between the mem. and bony labyrinths

Back 22

Perilymph

Front 23

Contains the ampulla which functions in dynamic equilibrium

Back 23

Semicircular canals

Front 24

Contains otoliths which function in static equilibrium

Back 24

Vestibule

Front 25

Houses the organ of Corti which contain "hair" cells, the sensory receptors for hearing

Back 25

Cochlea

Front 26

Back 26

Lacrimal gland

Creates tears

Front 27

Back 27

Lacrimal sac

Front 28

Back 28

Nasolacrimal duct

Drains tears into nasal cavity

Front 29

Which membrane lines eyelid and covers anterior surface of the eye?

Back 29

Conjunctiva

Front 30

Back 30

Lacrimal caruncle

Lubricates the eye

Front 31

Back 31

Sclera

Front 32

Back 32

Cornea

Front 33

Back 33

Choroid

Highly vascular, pigmented

Front 34

Back 34

Lens

Front 35

Back 35

Ciliary body

Controls shape of lens

Front 36

Back 36

Iris

Controls size of pupil

Front 37

Back 37

Pupil

Opening within the iris

Front 38

Back 38

Retina

Two layers - pigmented, neural

Front 39

Non-color receptors; work best in dim light; highly concentrated along periphery of retina

Back 39

Rods

(Rods > cones)

Front 40

Color receptors; work best in bright light; highly concentrated in center of retina

Back 40

Cones

Front 41

Back 41

Fovea centralis

Highest concentration of cones

Front 42

Back 42

Optic disc (blind spot)

Front 43

Back 43

Optic nerve

(Cranial nerve II)

Front 44

Back 44

Anterior segment, aqueous humor

Front 45

Back 45

Posterior segment, vitreous humor

Front 46

Back 46

Lateral rectus

Front 47

Back 47

Superior rectus

Front 48

Back 48

Inferior rectus

Front 49

Back 49

Inferior oblique

Front 50

Back 50

Superior oblique

Front 51

Which eye muscles are controlled by the oculomotor nerve (III)?

Back 51

Medial, superior, inferior rectus

Inferior oblique

Front 52

Which eye muscle is controlled by the trochlear nerve (IV)?

Back 52

Superior oblique

Front 53

Which eye muscle is controlled by the abducens nerve (VI)?

Back 53

Lateral rectus