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Anatomy Winter 2012 > Anatomy 1.25.15 Face and Scalp > Flashcards

Anatomy 1.25.15 Face and Scalp Flashcards

1
Q

What are the muscles of facial expression (6)

A 
Frontalis M
Orbicularis Oculi
Orbicularis oris
Buccinator
Platysma
Occipitalis
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2
Q

What does Frontalis Muscle do?

A

Moves Scalp

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3
Q

What does Orbicularis Oculi do

A

Closes eyelids tightly

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4
Q

What does Orbiularis Oris do

A

Purses lips
Closes mouth
Compresses Lips

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5
Q

What does Occipitalis Muslce do

A

Moves scalp

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6
Q

What does Platysma do?

A

Tenses neck skin

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7
Q

What does Buccinator do>

A

COmpresses lips

Compresses Cheeks0 fat pad

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8
Q

What nerve innervates the muscles of facial expression

A

Facial Nerve!

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9
Q

What is the ajor salivary gland?

A

Parotid Gland

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10
Q

What muscle does parotid gland pierce thorugh?

A

Buccinator M

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11
Q

Where doe the upper and lower eyelids meet?

A

Medial and lateral Canthus

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12
Q

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

A

ON whties of eye

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

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13
Q

What is the Palpebral Conjunctiva innervatedby?

A

Lining eyelids It is connected to Bulbar conjuctiva

Upper lid innervated by Ophalmic Nerve

Lower lid innervated by Infraorbital Nerve

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14
Q

What causes “blood shot eyes”

A

Bulbar COnjunctiva vessels are engorged

highly vascular

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15
Q

Are there blood vessels int eh corneal epitheliuM?

A

NO! but lots o naked nerve endings

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16
Q

Desribe what you would see in saggital cut of eyelid

A

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

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17
Q

What are Lacrimal Puncta? Function?

A

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

18
Q

Semilunar folds (Plica Semilunairs(

A

vestige of a nictittating membrane?

“clean eyelids wihtout closing them”?

19
Q

what is the Lacrimal Caruncle

A

soft part of medial eye

20
Q

What is role of LEvator Palpebraie Superioris M/

A

It opens eyelids widely

21
Q

What nerve innervates levator Palpebrae Superioris M?

A

CN III (Occulomotor)

22
Q

What innervates Superior Tarsal Muslce

A

Sypathetic nerves from Superior Cervical Ganglion

23
Q

What are Trasal (Meidbomian) Glands? - Sebacous

A

help produce an oily layer on teh margins of the eyelids

24
Q

What do Ciliary Glands secrete

A

Sebacesioua dn sweat

Infections stye= hordeolum externum

Where eyelashes are

25
Q

What structure are you massaging when you rub eye?

A

Medial Palpebral Ligament

26
Q

What are Superir and iNferior Lacrimal Canaliculi?

A

pick up tears and Lacrimal Puncta

27
Q

Where do tears drain into ?

A

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

28
Q

When you “break a nose” which bone is broken?

A

Perpendiucular Plate of Ethmoid Bone

29
Q

What is the layer of the scalpt

A

SCALP

Skin
dense Connective Tissue

Aponeurosis

Loose Connective Tissue

Pericranium (Periostium of skull

30
Q

What branch is Superficial Temporal A

A

External Carotid Artery

31
Q

What branch is Supraorbital and Supratrochlear A from

A

Opthalmic A

32
Q

What Branch is Transverse Facial A from

A

Superiofical Temporal A

33
Q

What is INfraorbital a branch of M

A

Maxiallary

34
Q

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

35
Q

What is Mental A a branch of

A

Inerior Alveolar A

36
Q

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

A

Superficial Temporal A

Posterio Auricular A

Occipital Artery

37
Q

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

A

Supratrochelar A and Supraorbital A

38
Q

What is the Facial artery a direct branch of?

A

External Carotid or from a common branch with teh Lingual

39
Q

What is the Infraorbital a branch of?

A

Maxiallary

40
Q

What is the Retromandibular Vein?

A

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

41
Q

Where does facialnerve divide into brcnehs

A

wihtin the PAROTID GLAND, theres are MOTOR branches only

42
Q

What does Retromandibular vein pick up?

A

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

Anatomy Winter 2012 (12 decks)

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