Anatomy 1.25.15 Face and Scalp

Question 1

What are the muscles of facial expression (6)

Answer 1

Frontalis M
Orbicularis Oculi
Orbicularis oris
Buccinator
Platysma
Occipitalis

Question 2

What does Frontalis Muscle do?

Answer 2

Moves Scalp

Question 3

What does Orbicularis Oculi do

Answer 3

Closes eyelids tightly

Question 4

What does Orbiularis Oris do

Answer 4

Purses lips
Closes mouth
Compresses Lips

Question 5

What does Occipitalis Muslce do

Answer 5

Moves scalp

Question 6

What does Platysma do?

Answer 6

Tenses neck skin

Question 7

What does Buccinator do>

Answer 7

COmpresses lips

Compresses Cheeks0 fat pad

Question 8

What nerve innervates the muscles of facial expression

Answer 8

Facial Nerve!

Question 9

What is the ajor salivary gland?

Answer 9

Parotid Gland

Question 10

What muscle does parotid gland pierce thorugh?

Answer 10

Buccinator M

Question 11

Where doe the upper and lower eyelids meet?

Answer 11

Medial and lateral Canthus

Question 12

What is the Bulbar conjunctiva innervated by? Where is it loacated

Answer 12

ON whties of eye

Innervated by Opthalmic Nerve (V1) via lacriaml, ciliary nad infratrochlear branches

Question 13

What is the Palpebral Conjunctiva innervatedby?

Answer 13

Lining eyelids It is connected to Bulbar conjuctiva

Upper lid innervated by Ophalmic Nerve

Lower lid innervated by Infraorbital Nerve

Question 14

What causes “blood shot eyes”

Answer 14

Bulbar COnjunctiva vessels are engorged

highly vascular

Question 15

Are there blood vessels int eh corneal epitheliuM?

Answer 15

NO! but lots o naked nerve endings

Question 16

Desribe what you would see in saggital cut of eyelid

Answer 16

Bulbar conjunctiva on eyeball crosses coreanl epithelum where there is NO blood vessels, but lots of nerve endings

Concutiva then makes the Fornix (superioa dn inferior) that is a turnign point

Palpebral conjunctiva is then continous with Bulbar

Question 17

What are Lacrimal Puncta? Function?

Answer 17

Superior and inferior Puncta- Raises area in upper and lower eye lid

Lacrimal Punca= Lacrimal (tears) that are pulled into these canals into the nasal cavity for recycles

Circulation of tears

Question 18

Semilunar folds (Plica Semilunairs(

Answer 18

vestige of a nictittating membrane?

“clean eyelids wihtout closing them”?

Question 19

what is the Lacrimal Caruncle

Answer 19

soft part of medial eye

Question 20

What is role of LEvator Palpebraie Superioris M/

Answer 20

It opens eyelids widely

Question 21

What nerve innervates levator Palpebrae Superioris M?

Answer 21

CN III (Occulomotor)

Question 22

What innervates Superior Tarsal Muslce

Answer 22

Sypathetic nerves from Superior Cervical Ganglion

Question 23

What are Trasal (Meidbomian) Glands? - Sebacous

Answer 23

help produce an oily layer on teh margins of the eyelids

Question 24

What do Ciliary Glands secrete

Answer 24

Sebacesioua dn sweat

Infections stye= hordeolum externum

Where eyelashes are

Question 25

What structure are you massaging when you rub eye?

Answer 25

Medial Palpebral Ligament

Question 26

What are Superir and iNferior Lacrimal Canaliculi?

Answer 26

pick up tears and Lacrimal Puncta

Question 27

Where do tears drain into ?

Answer 27

From Superior and Inferior Lacrimal Canalciuli --> pic up tears at lacrimal puncta -> Nasolacrial Duct in Nasolacrimal Canal --> Tears drain into Inferior Nasal Meatus

Question 28

When you "break a nose" which bone is broken?

Answer 28

Perpendiucular Plate of Ethmoid Bone

Question 29

What is the layer of the scalpt

Answer 29

SCALP Skin dense Connective Tissue Aponeurosis Loose Connective Tissue Pericranium (Periostium of skull

Question 30

What branch is Superficial Temporal A

Answer 30

External Carotid Artery

Question 31

What branch is Supraorbital and Supratrochlear A from

Answer 31

Opthalmic A

Question 32

What Branch is Transverse Facial A from

Answer 32

Superiofical Temporal A

Question 33

What is INfraorbital a branch of M

Answer 33

Maxiallary

Question 34

What is Angular A, Lateral Nasal A Superir Labial A and INferal A a branch of

Answer 34

Facial A

Question 35

What is Mental A a branch of

Answer 35

Inerior Alveolar A

Question 36

When looking at the superior of scalp,what are the arterial branches of External Carotid A

Answer 36

Superficial Temporal A Posterio Auricular A Occipital Artery

Question 37

When looking at superior portion of scalp, what brach of Opthalmic artery a brnach of internal cartodi a

Answer 37

Supratrochelar A and Supraorbital A

Question 38

What is the Facial artery a direct branch of?

Answer 38

External Carotid or from a common branch with teh Lingual

Question 39

What is the Infraorbital a branch of?

Answer 39

Maxiallary

Question 40

What is the Retromandibular Vein?

Answer 40

Formed by uniton of Maxiallary and Superificaily Temporal Veins wiithin Partodi GlandBeginning of hte External Jugular Vein Also have branhces of external carotid arteris comign through parotid gland

Question 41

Where does facialnerve divide into brcnehs

Answer 41

wihtin the PAROTID GLAND, theres are MOTOR branches only

Question 42

What does Retromandibular vein pick up?

Answer 42

posterior auricular vein and becomes Exernal jugular vein--> internal Jugular vein --> Subclavian