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Anatomy II > Exam 3: Skull lecture ii > Flashcards

Exam 3: Skull lecture ii Flashcards

1
Q

parts of the sphenoid bone (4)

A
  1. body
  2. lesser wings (LW)
  3. greater wings (GWC, GWO; GWT)
  4. pterygoid processes (PP, LP, and MP)
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2
Q

petrous part of temporal makes joint w/

A

greater wing of sphenoid (petrous means rock like)

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3
Q

squamous part of temporal contains the _ which articulates with the condyloid process of mandible

A

mandibular fossa

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4
Q

foramen magnum of occipital: spinal cord becomes continuous w/ _ here

A

medulla oblongata

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5
Q

foramen magnum of occipital: transmits blood vessels and cranial nerve _

A

XI

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6
Q

occipital condyles: articulates w/

A

vertebral column

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7
Q

opening of carotid canal: transmits _ artery

A

internal carotid artery (supplies most blood to the skull)

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8
Q

jugular foramen: transmitis cranial nerves _, _, and _ and the _ vein

A

IX, X, XI, and internal jugular vein (drains most blood of the skull)

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9
Q

stylomastoid foramen: transmits cranial nerve _ and the _ artery

A

VII and the stylomastoid artery

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10
Q

anterior cranial fossa: contains brain’s _ lobes

A

frontal

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11
Q

middle cranial fossa: contains brain’s _ lobes

A

temporal

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12
Q

posterior cranial fossa: contains brain’s _, _, and _

A

pons, cerebellum, and medulla oblongata

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13
Q

bone feats of ethmoid bone: crista galli: bony ridge that projects _; for attachment of _

A

superiorly; of falx cerebri

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14
Q

bone feats of ethmoid bone: cribriform plate: _ plate of bone containing many foramina that transmit the fibers of cranial nerve _ from the _ to the brain

A

horizontal plate; cranial nerve I from the nasal cavities to the brain

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15
Q

opening of optic canal: also opens into the _; transits cranial nerve _

A

orbit; cranial nerve II

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16
Q

sella turcica: saddle-like bony formation on body of _; its floor, the _, houses the pituitary gland

A

(part of the sphenoid) sphenoid; floor the hypophysial fossa

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17
Q

anterior clinoid processes: sharp projections of the _

A

lesser sphenoidal wings (clinoid = bed bost like)

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18
Q

crescent of 4 “foramina” perforating the sphenoid: superior orbital fissure: btwn _ and _ wings; also opens into _; transmits cranial nerves _, _, part of _ and _

A

greater and lesser wings; orbit; III, IV, part of V, and VI (muscle that moves the eyeball)

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19
Q

crescent of 4 “foramina” perforating the sphenoid: foramen rotundum: transmits part of cranial nerve _

A

V

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20
Q

crescent of 4 “foramina” perforating the sphenoid: foramen ovale: transmits part of cranial nerve _

A

V

21
Q

crescent of 4 “foramina” perforating the sphenoid: foramen spinosum: transmits a branch of a branch of cranial nerve

A

V (spinosum = spiny shaped)

22
Q

foramen lacerum: an artifact of a dried skull; in life, closed by a _ plate

A

cartilage plate (lacerum = torn/ragged)

23
Q

opening of internal acoustic meatus: transmits cranial nerve _ and _

A

VII and VIII

24
Q

hypoglossal canal: transmits cranial nerve _

A

XII

25
Q

groove for sigmoid sinus: the _, a blood vessel, lies here

A

the sigmoid sinus (vein)

26
Q

internal occipital crest: helps form 2 _, which house the cerebellum

A

cerebellar fossae

27
Q

most bones of the calvaria consist of 2 mostly flat (although slightly curved) plates of _ bone that are separated by _

A

compact bone separated by diploe

28
Q

diploe is _ bone containing red bone marrow

A

spongy (cancellous)

29
Q

some skull bones are hollow; the air-filled space w/in such a bone is a _

A

paranasal sinus

30
Q

all paranasal sinuses connect to the _ cavity.

these include the (4)

A

nasal cavity

  1. frontal sinus (F)
  2. sphenoid sinus (S and SS)
  3. ethmoid cells (sinus) (E)
  4. maxillary sinus (M)
31
Q

fontanelles: _ membranes separating some of the skull bones of neonates

A

fibrous

32
Q

fontanelles: they allow the shape of the _ to be molded during birth

A

cranium

33
Q

fontanelles: largest one is the _ fontanelle

A

anterior fontanelle

34
Q

scalp: it is a somewhat _ soft tissue mantle covering the _

A

mobile soft tissue mantle covering the calvaria

35
Q

5 layers of scalp:

A 
S:kin
C:onnective tissue
A:poneurosis 
L:oose (areolar) connective tissue
P:ericranium
36
Q

scalp: skin: contains _ glands, _ glands, and hair follicles

A

sweat and sebaceous glands

37
Q

scalp: connective tissue: well supplied w/ blood vessels and _ nerves

A

cutaneous

38
Q

scalp: aponeurosis: the 2 bellies of the _ muscle are connected by a flat tendon, the _ aponeurosis

A

2 bellies (frontal and occipital) of the occipitofrontalis muscle are connected by a flat tendon, the epicranial aponeurosis

39
Q

scalp: pericranium: the _ of the bones of the neurocranium

A

periosteum

40
Q

the 3 most superficial layers of the scalp are intimately _ and move as a unit

A

connected

41
Q

the 3 most superficial layers of the scalp is separated from the pericranium/skull bones by the _ layer, which allows mobility of the unit over the skull and permits traumatic separation of the scalp from the _

A

loose connective tissue layer; cranium

42
Q

most facial and scalp muscles have an origin on the _ and an insertion of the _; they produce their effect by pulling the skin (some act as _, closing orifices)

A

origin on the skeleton and an insertion of the skin; (some act as sphincters, closing orifices)

43
Q

facial muscles are all derived from the _ arch and are thus supplied by the nerve of this arch, the _ nerve

A

the 2nd pharyngeal arch; the facial nerve (CN VII)

44
Q

t/f: the deep fascia found in most body locations is absent in the face

A

true

45
Q

orbicularis oculi: origin

A

from edges of orbit

46
Q

orbicularis oculi: insertion

A

to tarsal plates of eyelids and skin around orbit

47
Q

orbicularis oculi: action

A

close eyelids

48
Q

orbicularis oculi: innervation

A

facial nerve

Anatomy II (28 decks)

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