Lecture 23 Flashcards

1
Q

Components of the skull

A

Neural (brain) and visceral (face)

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2
Q

Skull minus mandible

A

Cranium

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3
Q

Formed by union of maxillary bones and zygomatic bones

A

Viscerocranium

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4
Q

Formed by bones making the calvaria

A

Neurocranium

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5
Q

Skull cap

A

Calavaria

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6
Q

Bones in viscerocranium

A

Nasal (2), lacrimal (2), zygomatic (2), maxillae, inferior nasal conchae (2), palatine

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7
Q

Bones in neurocranium

A

frontal, parietal (2), ethmoid, sphenoid, temporal (2), occipital)

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8
Q

Landmark for dividing line of viscero/neurocranium

A

external acoustic (auditory) meatus

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9
Q

Components of calavaria

A

Outer table, dipole, inner table

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10
Q

Sutures of the skull

A

coronal, sagittal, lambdoidal, meteoric, squamosal, wormian bones

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11
Q

4 diploic veins

A

frontal veins, anterior temporal veins, posterior temporal veins, occipital veins

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12
Q

Veins that pierce the skill and connect the veins of the scalp with diploic veins and internal venous sinuses

A

Emissary veins

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13
Q

Veins that run with diploic (cancellous) bone

A

diploic veins

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14
Q

Function of diploic veins

A

drain neurocranium and scalp; drain into dural venous sinuses

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15
Q

Orbit foramina

A

Optic canal
Superior orbital fissure
Inferior orbital fissure
Infraorbital groove

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16
Q

Borders of orbit

A

Ms. Elfz
(maxillary, sphenoid, ethmoid, lacrimal, femoral, zygomatic)
(floor, apex, medial side, roof, lateral side)

17
Q

anterior branch of middle meningeal artery passes

A

pterion

18
Q

bleeding from middle meningeal artery

A

epidural hematoma

19
Q

body of sphenoid contains:

A

hypophyseal fossa (sella turcia –> pituitary gland), tubercular sellae, dorsum sellae, posterior crinoid process

20
Q

attachment for pterygoid muscles that move the mandible

A

medial and lateral pterygoid plates

21
Q

slope of basilar part of occipital bone

A

clivus

22
Q

occipital condyles articulate with

A

articular facets of C1

23
Q

temporal bone - inner ear

A

petrous portion

24
Q

3 cranial fossa

A

anterior cranial fossa, middle cranial fossa, posterior cranial fossa

25
Q

contents of posterior cranial fossa

A

cerebellum and brainstem

26
Q

contents of middle cranial fossa

A

temporal lobes of cerebral cortex

27
Q

contents of anterior cranial fossa

A

frontal lobes of cerebral cortex

28
Q

site for a dental block

A

mandibular foramen

29
Q

scalp composition

A
Skin
Connective tissue (dense)
Aponeurotic layer
Loose connective tissue
Periosteum
30
Q

borders of ant. cranial fossa

A

LOC (loss of consciousness)

lesser wing of scaphoid, orbital plates, cribriform plates + crista galli

31
Q

borders of middle cranial fossa

A

GPS (when you’re in the MIDDLE of nowhere)

greater wing of scaphoid, parietal bone, squamous + petrous temporal bone

32
Q

borders of post. cranial fossa

A

(Oh please, patrick!)

occipital bone, petrous part of temporal, parietal bone