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Human Anatomy > Intro of Head; Face and Scalp > Flashcards

Intro of Head; Face and Scalp Flashcards

1
Q

bone: completely surrounds the brain and some of the major sense organs

A

neurocranium

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2
Q

what does the neurocranium consist of?

A

1) basal bones

2) roofing bones

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3
Q

which part of the neurocranium contrains all of the major foramina of the skull?

A

basal bones

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4
Q

basal bones consist of:

A
  • Ethmoid
  • Temporal (petrous portion)
  • Scaphoid
  • Occipital
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5
Q

Roofing bones consist of:

A
  • parietal
  • frontal
  • temporal (squamous portion)
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6
Q

bone: associated with feeding, respiration and communication; supports face and jaws

A

viscerocranium

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7
Q

viscerocranium consists of:

A
  • Maxilla
  • Mandible
  • Palatine
  • Zygomatic
  • Vomer
  • Inferior nasal concha
  • lacrimal
  • nasal
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8
Q

suture: b/w frontal and parietal bones

A

coronal

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9
Q

suture: b/w left and right parietal bones

A

sagittal

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10
Q

suture: separates the temporal bone from parietal bone

A

temporal (squamous)

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11
Q

suture: separates occipital from parietal (and temporal) bones

A

lamboid

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12
Q

suture: area sround a short suture b/w parietal bone and greater wing of sphenoid

A

pterion

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13
Q

what is very thick and protencts the neurocranium?

A

Scalp

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14
Q

layers of scalp proper

A
  • Skin
  • Connective tissue
  • Apopneurosis
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15
Q

other compotents of scalp besides scalp proper

A
  • Loose connective (areolar) tissue

- Pericranium

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16
Q

interconnections: spongy porous bone bw outer and inner cortical layers; usually found within roofing bones

A

Diploe

17
Q

( ) channels travel within Diploe

A

venous

18
Q

interconnection: connect scalp to inside neurocranium

A

emissary veins

19
Q

3 major arteries involved with supply to head

A

1) vertebral artery
2) internal carotid
3) external carotid

20
Q

artery supply: inside neurocranium

A

internal carotid and vertebral with minor contribution from middle meningeal

21
Q

artery supply: outside neurocranium

A

branches of external carotid; superficial temporal and occipital

22
Q

artery supply: outside of face

A

mainly facial branch of external carotid

23
Q

artery supply: inside face

A

maxillary branch of external carotid; opthalamic branch of internal carotid does inside orbit

24
Q

venous drainage: inside neurocranium

A

internal jugular

25
Q

venous drainage: outside face

A

facial vein (usually trans into internal jugular) but system is complex with many interconnections

26
Q

venous drainage: Danger area of face

A

1) facial vein
2) upper lip
3) bridge of nose

27
Q

infection or thrombi from danger area of face can travel to ( ) from facial to opthalmic veins to cavernous sinus

A

cranial cavity

28
Q

veins of the head lack what?

A

valves

29
Q

superficial cervical lymph nodes located where the head meets the neck drain to where?

A

deep cervical lymph nodes, mainly under the SCM

30
Q

provides sensory innervation to face and some motor to head

A

trigeminal nerve (V)

31
Q

trigeminal: supplies oribital regions (forehead and anterior scalp, upper eyelid and dorsum of nose), anterosuperior nasal cavity

A

opthalamic (V1)

32
Q

trigeminal: supplies upper jaw regions (lower eyelid, side of nose, upper lip and upper dentition), posteroinferior nasal cavity

A

Maxillary division (V2)

33
Q

trigeminal: supplies lower jaw region including lower dentition, skin anterior to ear, some sensory to inside oral cavity; motor to muscles of mastication

A

mandibular division (V3)

34
Q

( ) from cervical region provide sensory innervation to rest of head

A

dorsal or ventral primary rami

35
Q

facial nerve controls openings of what 3 cavities of the head?

A

1) eye
2) nasal
3) oral

36
Q

muscle: orbital part tightly closes eye; palpebral part for blinking

A

orbicularis oculi

37
Q

muscle: closes mouth and puckers lips

A

orbicularis oris

38
Q

muscle: compresses cheeks, helps keep food positioned bw occlusal surfaces of teeth for mastication, helps cheeks resist forces generated by blowing and sucking

A

buccinator

Human Anatomy (6 decks)

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