Sarah-Winter-Facial Muscles, Eyelids, Ear

Front 1

major groups of facial muscles

Back 1

superficial mm.
masticatory mm.
orbital mm.
hyoid mm.

Front 2

categories of superficial.

Back 2

external ear
cutaneous faciei
lips
nostrils
eyelids
cheeks

Front 3

3 main branches of facial n.

Back 3

dorsal buccal n.
ventral buccal n.
auriculopalpebral n.

Front 4

slit of the upper lip

Back 4

philtrum

Front 5

large sebaceous glands in the cat
(more numerous in the lower lip)
secretions used for scent marking

Back 5

circumoral glands

Front 6

muscles of facial expression

Back 6

facial muscles

Front 7

facial muscles are innervated by...

Back 7

facial n.

Front 8

T/F: facial muscles are different from the masticatory muscles

Back 8

T

Front 9

T/F: masticatory muscles generally work on the mandible

Back 9

T

Front 10

what foramen does the facial n. come out of?

Back 10

stylomastoid foramen

Front 11

platysma m. consists of which 2 muscles

Back 11

cutaneous colli m.
cutaneous faciae m.

Front 12

which muscle originates on the dorsal median raphe of the neck and inserts on the angle of the mouth

Back 12

platysma m.

Front 13

which muscle draws the commisures of the lips caudally?

Back 13

platysma m.

Front 14

platysma m. is innervated by...

Back 14

dorsal and ventral buccal brs. and caudal auricular br. of facial n.

Front 15

"sphincter of the mouth" located in the stroma of lip and doesn't attach to any bony structure

Back 15

orbicularis oris m.

Front 16

orbicularis oris m. is innervated by...

Back 16

dorsal and ventral buccal brs. of facial n.

Front 17

action of orbicularis oris m.

Back 17

close mouth opening
pull nose downward during sniffing
increase diameter of (dilate) nostril

Front 18

muscle of the cheek-located deep to the platysma and partly deep to orbicularis oris m.

Back 18

buccinator m.

Front 19

which muscle attaches to the alveolar margins of the mandible and maxilla and buccal mucosa?

Back 19

buccinator m.

Front 20

buccinator m. is innervated by..

Back 20

dorsal and ventral buccal brs. of facial n.

Front 21

action of buccinator m.

Back 21

move food from the vestibule to the masticary surface of teeth

Front 22

which muscle originates on maxillary bone and inserts on the edge of the upper lip and external naris

Back 22

levator nasolabialis m.

Front 23

innervation of levator nasolabialis m.

Back 23

auriculopalpebral br. of facial n.

Front 24

which muscle dilates the nostril and raises the upper lip

Back 24

levator nasolabialis m.

Front 25

which muscle originates from the scutiform cartilage and inserts on the commisure of the lip

Back 25

zygomaticus m.

Front 26

innervation of zygomaticus m.

Back 26

auriculopalpebral br. of facial n.

Front 27

which muscle draws the commisure of the mouth dorsocaudally and draws the scutiform cartilage (and ear) rostrally?

Back 27

zygomaticus m.

Front 28

muscle located on parotid gland

Back 28

parotidoauricularis m.

Front 29

action of parotidoauricularis m.

Back 29

depressed the ear

Front 30

which muscle blends with the cervical fascia and inserts on the antitraguis of the ear?

Back 30

parotidoauricularis m.

Front 31

another term for palpebrae

Back 31

eyelids

Front 32

opening between the palpebrae

Back 32

palpebral fissure

Front 33

commisures of palpebrae

Back 33

canthi

Front 34

attaches middle palpebral commisure to frontal bone

Back 34

medial palpebral ligaments

Front 35

attaches lateral palpebral commisure to zygomatic bone

Back 35

lateral palpebral ligaments

Front 36

another term for eyelashes

Back 36

cilia

Front 37

T/F: eyelashes are present on inferior palpebra

Back 37

F

Front 38

covers the inner surface of the palpebra

Back 38

palpebral conjunctiva

Front 39

covers the rostral part of the sclera and is continuous with the outer layer of the cornea

Back 39

bulbar conjunctiva

Front 40

junction of the palpebral and bulbar conjunctiva

Back 40

conjunctival fornix

Front 41

space between the eyeball and palpebrae

Back 41

conjunctival sac

Front 42

modified sebaceous glands; ducts open at the eyelid margin; secretion is part of tear film

Back 42

tarsal glands

Front 43

Is the lacrimal or the superficial gland of the thrid eyelid more important?

Back 43

lacrimal

Front 44

Tears are produced by the....

Back 44

lacrimal gland

Front 45

T/F: tears course through ducts to the conjunctival sac

Back 45

T

Front 46

T/F:lacrimal lake collects tears that run over anterior surface of eyeball

Back 46

T

Front 47

tears course through the lacrimal.....to the lacrimal ducts

Back 47

puncta

Front 48

what carries tears from the puncta to the lacrimal sac?

Back 48

lacrimal ducts (canaliculi)

Front 49

locates at the lacrimal fossa?

Back 49

lacrimal sac

Front 50

carries tears from the lacrimal sac to the nasal vestibule

Back 50

nasolacrimal duct

Front 51

other terms for third eyelid

Back 51

plica semilunaris

nictitating membrane

Front 52

T/F: lymphoid tissue is located on medial surface of third eyelid

Back 52

T

Front 53

what is third eyelid surrounded by?

Back 53

superficial gland of the third eyelid

Front 54

what is comprised of a fold of palpebral conjunctiva and a T-shaped piece of cartilage?

Back 54

third eyelid

Front 55

muscle that encircles the eye and closes the palpebral fissure

Back 55

orbicularis oculi m.

Front 56

muscle that covers the lateral palpebral ligament and retracts the lateral angle of the eye caudally (causes eye to squint)

Back 56

retractor anguli oculi lateralis m.

Front 57

eye muscle that is located dorsomedially and raises the eyelid

Back 57

levator anguli oculi medialis m.

Front 58

T/F: muscles of the eyelid are muscles of facial expression so they are innervated by the facial n.

Back 58

T

Front 59

which muscles cause ear movement?

Back 59

rostral/caudal auricular muscles

Front 60

free part of ear, flap, pinna

Back 60

auricle

Front 61

2 parts of external ear canal

Back 61

vertical
horizontal

Front 62

ear is made up of...

Back 62

elastic cartilage covered by skin

Front 63

T/F: middle ear is in petrous part

Back 63

F: in tympanic bulla (inner ear is in petrous part)

Front 64

part of ear that is funnel-shaped and forms the vertical ear canal and part of the horizontal ear canal

Back 64

auricular cartilage

Front 65

forms part of the horizontal ear canal and is located b/w the auricular cartilage and external acoustic meatus

Back 65

annular cartilage

Front 66

small cartilaginous plate located in the muscles rostral and medial to the external ear

Back 66

scutiform cartilage

Front 67

On which skull bone is the scutiform cartilage located?

Back 67

parietal bone

Front 68

curved margins of the auricular cartilage

Back 68

helix

Front 69

transverse ridge on inner aspect of auricle

Back 69

anthelix

Front 70

thick part of auricular cartilage located laterally

Back 70

tragus

Front 71

ridge of cartilage located caudal to tragus

Back 71

antitragus

Front 72

groove b/w tragus and antitragus

Back 72

intertragis incisure

Front 73

skin pouch on ear

Back 73

marginal cutaneous sac

Front 74

groove located rostral to tragus

Back 74

pretragic incisure

Front 75

located b/w the external ear canal and the middle ear which is located in the tympanic bulla

Back 75

tympanic membrane (ear drum)

Front 76

3 conduction systems of ear

Back 76

air=outer
bone=middle
fluid=inner