Special Senses

Front 1

Lacrimal gland

Back 1

secrets tears. lateral superior of the eye

Front 2

Lacrimal Sac

Back 2

tube in naval cavity. tears drain into

Front 3

3 layers of the wall of the eye

Back 3

fibrous tunic
vascular tunic
neural tunic

Front 4

Fibrous Tunic

Back 4

external layer of the eye wall.

Front 5

Sclera

Back 5

white of the eye. part of the fibrous tunic

Front 6

cornea

Back 6

clear, part of the fibrous tunic. a vascular. no blood. transparent. has lots of nerves. continuous with the sclera

Front 7

choroid

Back 7

middle layer. highly vascular. lots of blood vessels.

Front 8

Ciliary body

Back 8

Part of vascular tunic. suspensory ligaments connects to the lens. Allows to change lens shape.

Front 9

Lens

Back 9

Dense fibrous elastic capsule. filled with crystalline. a protein.

Front 10

Iris

Back 10

visible colored disk. controls pupil size. . has two muscles.
dilator pupillae and sphincter pupillae

lets in certain amount of light

Front 11

Pupil

Back 11

Hole. another hole in the head

Front 12

retina

Back 12

in neural tunic. rods and cones. neural receptors.

Front 13

Ora serrata.

Back 13

jagged margin between the photosensitive posterior region of the retina. usually black absorbing extra light

Front 14

Anterior chamber of the eye

Back 14

part of anterior cavity. contains aqueous humor a CSF like substance.
between the iris and cornea

Front 15

Posterior chamber of the eye

Back 15

contains aqueous humor. between the retina and lens.

Front 16

MACULA LUTEA

Back 16

Yellow ring at the back of the eye. has no blood vessels over the cones. it's were you vision is focused on directly.

Front 17

FOVEA CENTRALIS

Back 17

center of your vision. middle of macula lutea

Front 18

Optic Disk

Back 18

Blind spot. cn2

Front 19

optic chiasm

Back 19

is the part of the brain where the optic nerves (CN II) partially cross

The optic chiasm is located at the bottom of the brain immediately below the hypothalamus

Front 20

Three parts of the ear.

Back 20

1. Outter naka oracle or pinna
2. Inner
3. middle

Front 21

AURICLE

Back 21

elastic cartlige. round part of outer ear.

Front 22

EXTERNAL ACOUSTIC MEATUS (CANAL)

Back 22

Goes all the way to the Tympanic membrane. Lined with cerominous glands

Front 23

TYMPANIC MEMBRANE

Back 23

Part of the ear that vibrates border of the outer and middle ear.

Front 24

MALLEUS

Back 24

The hammer

Front 25

INCUS

Back 25

Anvil

Front 26

STAPES

Back 26

Hammer hits the anvil. moving the stapes hitting the oval window.

Front 27

PHARYNGOTYMPANIC TUBE (AUDITORY OR EUSTACHIAN TUBE)

Back 27

long tube for drainage. allows for equalizing the pressure. makes ears pop

Front 28

COCHLEA

Back 28

Auditory portion of the inner ear. Transduce physical vibrations into electrical pulses.

Front 29

COCHLEAR DUCT

Back 29

is an endolymph filled cavity inside the cochlea,

Front 30

SEMICIRCULAR CANALS

Back 30

three half-circular, interconnected tubes located inside each ear

Front 31

VESTIBULE

Back 31

central part of the labyrinth, as used in the vestibular system

Front 32

OVAL WINDOW

Back 32

s a membrane-covered opening which leads from the middle ear to the vestibule of the inner ear.

Front 33

VESTIBULAR NERVE

Back 33

one of the two branches of the Vestibulocochlear nerve.

. It receives positional information.

Front 34

FACIAL NERVE

Back 34

cn7

Front 35

Vestibulocochlear NERVE

Back 35

Where the cochlear nerve and vestibular nerve come together.

Front 36

COCHLEAR NERVE

Back 36

nerve in the head that carries signals from the cochlea

Front 37

round window.

Back 37

exit for pressure waves.