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ANAT 392 - Len > Bone Module > Flashcards

Bone Module Flashcards

1
Q

Cranium + mandible?

A

Skull

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2
Q

Viscero-cranium is comprised of bones that form the _______ skeleton.

A

Facial

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3
Q

Splancho-cranium are those bones that are formed in ___________ ossification model.

A

intramembranous

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4
Q

Chondro-cranium are the bones formed in _____-______ ossification model.

A

endo-chondral

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5
Q

Calvaria, the roof of the cranium, is mainly formed by what two bones?

A

Frontal and parietal

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6
Q

Junction of sagittal and coronal sutures is called ____/_______ fontanel, and junction of sagittal and lambdoid sutures is called ______/_____ fontanel.

A

bregma/anterior fontanel; lambda/posterior fontanel

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7
Q

What 3 things is the anterior cranial fossa formed by?

A
  1. Frontal bone
  2. Lesser wings of sphenoid
  3. Cribriform plate
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8
Q

What 2 things is the middle cranial fossa formed by?

A
  1. Greater wings of sphenoid

2. Temporal bones

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9
Q

What 2 things is the posterior cranial fossa formed by?

A
  1. Temporal bones

2. Occipital bone

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10
Q

What are the two facets on the head of a rib for?

A

Articulation with vertebral body and vertebra immediately above rib

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11
Q

What is the tubercle facet on a rib for?

A

Articulation with the transverse process of corresponding vertebra

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12
Q

The groove for the subclavian vein is (medial/lateral) to the groove for the subclavian artery.

A

Medial

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13
Q

What 3 bones does the manubrium stern articulate with?

A
  1. Clavicles
  2. First rib
  3. Upper part of second costal cartilage
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14
Q

What ribs articulate with the body of the sternum?

A

2-7

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15
Q

The xiphoid process divides the ________ angle to left and right halves.

A

infrasternal

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16
Q

How many vertebra does the cervical spine have?

A

7

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17
Q

How many vertebra does the thoracic spine have?

A

12

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18
Q

How many vertebra does the lumbar spine have?

A

5

19
Q

How many vertebra does the sacral spine have?

A

5

20
Q

How many vertebra does the coccyx have?

A

4

21
Q

What are the 4 spinal curvatures?

A
  1. Cervical lordosis
  2. Thoracic kyphosis
  3. Lumbar lordosis
  4. Sacral kyphosis
22
Q

What are the 5 common features of cervical vertebrae?

A
  1. Small quadrangular body
  2. Triangular vertebral foramen
  3. Transverse foramen
  4. Bifurcated spinous process
  5. Lateral and anterior lips (uncinate process)
23
Q

What two transverse vertebrae lack demi-facets on their transverse processes for articulation with tubercles of ribs?

A

T11 and T12

24
Q

What do the 4 posterior sacral foramina provide passage for?

A

Posterior rami of S1-S4

25
Q

What doe the 4 foramina on the anterior surface of the sacrum provide passage for?

A

Anterior rami of S1-S4

26
Q

The sacral foramina are connected together by transverse ridges that represent the remnant of __________ ______.

A

intervertebral discs

27
Q

The anterior border of the sacral Ala contribute to the formation of what inlet?

A

Pelvic (superior aperture)

28
Q

The fusion of the 5th lumbar vertebra with S1 is known as __________.

A

sacralization

29
Q

The failure of fusion of S1 to the rest of the sacral segments is called ____________.

A

lumbarization

30
Q

The two processes arising from the first coccygeal segment toward the sacrum are known as the coccygeal ______.

A

Cornue

31
Q

The carotid canal is medial to what process on the temporal bone?

A

styloid process

32
Q

The head of a rib has two facets for articulation with the numerically corresponding vertebral body and that of the vertebra immediately ________.

A

Above

33
Q

The tubercle of the rib has a facet for articulation with the ______ ______ of the corresponding vertebra.

A

transverse process

34
Q

What rib(s) only have one articular surface on their head for the corresponding thoracic vertebra?

A

Rib 1, rib 11 and rib 12

35
Q

What is the inter-vertebral foramen formed by?

A

The zygapophyseal joint, inferior and superior notches of vertebrae, intervertebral disc and body of vertebrae

36
Q

What two components form the IV disc?

A
  1. Nucleus pulposus

2. Anulus fibrosus

37
Q

What is the main chemical component of the nucleus pulpous?

A

Hyaluronic acid

38
Q

What is the shape of the cervical vertebrae foramen?

A

triangular

39
Q

What joint is unique to the cervical spine?

A

Unco-vertebral joint

40
Q

What is the shape of the articular process for the occipital condyles on C1? For C2?

A

oval; round

41
Q

Is the anterior or posterior arch larger on C1?

A

Posterior

42
Q

Where is the accessory process located on the lumbar vertebrae?

A

base of the posterior surface of the transverse process

43
Q

Where is the mammilary process located on the lumbar vertebrae?

A

posterior margin of the superior articular process

ANAT 392 - Len (25 decks)

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