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Spinal Final Exam > Osteology/Embryology of the Anterior Thorax > Flashcards

Osteology/Embryology of the Anterior Thorax Flashcards

1
Q

What vertebral levels correspond to the position of the corpus sterni?

A

T5-T9

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2
Q

How many sternabrae for the corpus sterni?

A

4 sternabrae

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3
Q

What surface feature on the corpus sterni identifies the location of the synchondrosis?

A

transverse lines

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4
Q

What articular sites for the costal cartilage of ribs will be identified on the corpus sterni?

A

costal notches II-VII

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5
Q

What feature of the corpus sterni is present in 4-7% of the population?

A

a sternal foramen

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6
Q

What causes the appearance of the sternal foramen?

A

failure of the ossification centers of the sternum to fuse together normally

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7
Q

What attaches to the scalene tubercle of the first rib?

A

the anterior scalene muscle

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8
Q

Which groove on the body (corpus or shaft) of the first rib is close to the vertebral end?

A

the groove for the subclavian artery and the first thoracic nerve

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9
Q

Which groove on the body (corpus or shaft) of the first rib is close to the sternal end?

A

the groove for the subclavian vein

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10
Q

What specifically will attach to the crest of the neck of the second rib?

A

the superior costotransverse ligament from the transverse process of T1

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11
Q

What specifically attaches to the back of the neck of the second rib?

A

the inferior costotransverse ligament from the transverse process of T2

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12
Q

What unique feature is present on the body (corpus or shaft) of the second rib?

A

the tuberosity for the serratus anterior

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13
Q

Which ribs are classified as typical ribs, true ribs, costa cerae, and vertebrosternal ribs in the typical adult skeleton?

A

ribs 3-7

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14
Q

Which ribs are classified as atypical ribs, true ribs, costa verae, and vertebrosternal ribs in typical adult skeleton?

A

ribs 1 and 2

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15
Q

Which ribs are classified as typical ribs, false ribs, costa spuriae, and vertebrochondral ribs in the typical adult skeleton?

A

ribs 8 and 9

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16
Q

Which ribs are classified as atypical ribs, false ribs, costa spuriae, and vertebrochondral ribs in the typical adult skeleton?

A

rib 10

17
Q

Which ribs are classified as atypical ribs, false ribs, costa spuriae, and vertebral ribs in the typical adult skeleton?

A

ribs 11 and 12

18
Q

What is the classification of the first sternocostal or sternochondral joint?

A

cartilaginous (ampharthrosis) synchondrosis

19
Q

What is the classification of the second - seventh sternocostal or sternochondral joint?

A

synovial plane (diarthrosis arthrodia)

20
Q

Which of the sternocostal or sternochondral ligaments is unique to the second sternocostal or sternochondral joint?

A

the intra-articular ligament

21
Q

What is the classification of the sixth through the ninth interchondral joints?

A

synovial plane (diarthrosis arthrodia)

22
Q

What is the classification of the fifth - sixth or ninth - tenth interchondral joint?

A

fibrous (amphiarthrosis) syndesmosis

23
Q

Which costal cartilages fail to form a joint at their sternal end?

A

the eleventh and twelfth costal cartilages

24
Q

What separates the manubrium sterni and corpus sterni?

A

the manubriosternal symphysis

25
Q

How many primary centers of ossification appear in the manubrium?

A

1-3 centers have been identified

26
Q

How many primary centers of ossification appear in the corpus sterni?

A

typically 6

27
Q

In what part of the sternum will a secondary center of ossification appear?

A

the xiphoid process

28
Q

In what part of the rib will primary centers of ossification appear?

A

the body (corpus, shaft)

29
Q

In what parts of the rib will secondary centers of ossification appear?

A

the head, articular surface of the tubercle and the non-articular surface of the tubercle

30
Q

Which ribs will demonstrate secondary centers of ossification?

A

ribs 1-10

31
Q

Which ribs lack secondary centers of ossification?

A

ribs 11 and 12

32
Q

Which ribs demonstrate three secondary centers of ossification?

A

ribs 2-9

33
Q

Which ribs have only two secondary centers of ossification?

A

ribs 1 and 10

Spinal Final Exam (10 decks)

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