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Anatomy > Skull > Flashcards

Skull Flashcards

1
Q

What does the Appendicular Skeleton include?

A

Upper limbs, lower limbs, pelvic and shoulder girdle

126 bones

126 bones

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2
Q

What does the Axial Skeleton consist of?

A

bones of the skull, thorax, and vertebral column

The Axial Skeleton provides support and protection for the brain, spinal cord, and organs in the thorax. 80 bones

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3
Q

facet

none in skull

A

Two joints coming together (vertebrae)

Facets are important for the movement and stability of the spine.

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4
Q

sulcus

none in skull

A

A groove

Sulci can be found on the surface of bones and are often associated with blood vessels or nerves.

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5
Q

tubercle

none in skull

A

A small rounded projection

Occipital bone - jugular tubercle

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6
Q

tuberosity

none in skull

A

A protuberance in a bone

Upper jaw

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7
Q

malleolus

none in skull

A

A bony projection

Malleoli are commonly found at the ankle joint.

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8
Q

styloid process

A

A slender projection

a slender and pointed bony process of the temporal bone projecting anteroinferiorly from the inferior surface of the temporal bone just below the ear.

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9
Q

condyle

A

A rounded protuberance

occipital condyle, mandibular condyle

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10
Q

fossa

A

A shallow depression or smoothened area

posterior cranial fossae (occipital bone), anterior cranial fossae (front bone)

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11
Q

meatus

A

A passage through

internal / external acoustic meatus (temporal)

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12
Q

foramen

A

An opening or a hole

foramen magnum, jugular foramen (occipital), foramen ovale, rotundum, spinosum (sphenoid), supraorbital foramen (frontal), mental foramen (mandible)

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13
Q

skull composition

A

22 bones: 8 cranial and 14 facial bones

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14
Q

cranial bones

8 bones

A

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

“Old People From Timbuktu Eat Spiders”

Egith Osseous Parts Form The Skull

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15
Q

facial bones

14 bones

A

maxillae (2), mandible, conchae (2), nasal (2), vomer, lacriminal (2), zygomatic (2), palatine (2)

“Virgil Can Not Make My Pet Zebra Laugh”

“My Mandible Chews Nine Very Large Zucchini Pizzas”

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16
Q

sutures of the skull

A

sagittal, coronal, squamous, lambdoid

dense fibrous connective tissue joins bones firmly together

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17
Q

sagittal suture

A

between the parietal bones

18
Q

coronal suture

A

between the frontal and parietal bones

19
Q

squamous suture

A

between the parietal and temporal bones

20
Q

lambdoid suture

A

between the parietal and occipital bones

21
Q
A
22
Q
A
23
Q
A
24
Q
A
25
Q
A
26
Q

ethmoid bone

5 features

A

crista galli, perpendicular plate, ethmoid sinus, cribiform plate, olfactory foramina

part of the nasal cavity, nasal septum, forms part of the orbit of eye

27
Q

occipital bone

8 features

A

foramen magnum, occipital condyles, jugular foramen, superior nuchal line, inferior nuchal line, external occipital protuberance, hypoglossal canal, posterior cranial fossae

28
Q

parietal bones

no feauture

A

2 parietal bones located on either side of the skull

29
Q

frontal bone

6 features

A

glabella, superciliary arch, supraorbital arch, supraorbital margin, supraorbital foramen, frontal sinus, anterior cranial fossae

30
Q

temporal bone

5 features

A

extneral acoustic meatus, styloid process, zygomatic process, mastoid process, carotid canal

31
Q

sphenoid bone

9 features

A

sella turcica, greater and lesser wings, optic canal, superior orbital fissue, foramen rotundum, foramen oval, foramen spinosumoval, medial and lateral ptyergoid process (plates), sphenoid sinu

32
Q

paranasal sinunes

A

frontal, ethmoid, maxillary, sphenoid

33
Q

bones of the face

A

paired maxillae, conchae, nasal, lacrimal, sygomatic, palatine and singular mandible and vomer

6 pairs and 2 singular bones

34
Q

maxilla

4 features

A

infraorbital foramina, palatine process, maxillary sinus, alveolar margin

35
Q

mandible

7 features

A

coronoid process, mandibular notch, mandibular condyle, mental foramen, ramus, mandibular angle, alveolar margin

36
Q

conchae

2 bones

A

inferior nasal conchae on each side of nasal septum

37
Q

nasal

2 bones

A

small, paired bones that form the bony portion of the nose

38
Q

vomer

A

on floor of nasal cavity

39
Q

lacrimal

2 bones

A

encloses tear duct

lacrimal groove - shallow depression

40
Q

zygomatic

2 bones

A

form the cheekbone

41
Q

palatine

2 bones

A

deep in the skull, anterior to palatine process of the maxilla

42
Q

hyoid bone

A

involved in speech and swallowing

Anatomy (6 decks)

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