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Spinal Anatomy -- Morter > Spinal Final Exam: Sec. XII. Osteology, Sec. XIII Arthology, Sec. XIV. Embryology of Ant. Thorax > Flashcards

Spinal Final Exam: Sec. XII. Osteology, Sec. XIII Arthology, Sec. XIV. Embryology of Ant. Thorax Flashcards

1
Q

What vertebral levels correspond to the postition of the manubrium sterni?

A

T3-T4

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2
Q

What are the participants in the sternoclavicular joint?

A

the clavicle, manubrium sterni, and the costal cartilage of the first rib

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3
Q

What separates the manubrium sterni and corpus sterni?

A

the manubriosternal symphysis

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4
Q

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

A

T5-T9

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5
Q

What ribs will joint with the corpus sterni via costal cartilage?

A

ribs 2-7

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6
Q

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

A

a sternal foramen

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7
Q

What are the classifications of ribs 3-7 in the typical adult skeleton?

A

typical ribs, true ribs, costa verae, and vertebrosternal ribs

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8
Q

What are the classifications of ribs 1 and 2 in the typical adult skeleton?

A

atypical ribs, true ribs, costa verae, and vertebrosternal ribs

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9
Q

What are the classifications of ribs 8 and 9 in the typical adult skeleton?

A

typical ribs, false ribs, costa spuriae, and vertebrochondral ribs

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10
Q

What are the classifications of rib 10 in the typical adult skeleton?

A

atypical rib, false rib, costa spuriae, and vertebrochondral rib

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11
Q

What are the classifications of ribs 11 or 12 in the typical adult skeleton?

A

atypical ribs, false ribs, costa spuriae, and vertebral ribs

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12
Q

What are the joint surfaces of the costochondral joint?

A

the costal cartilage with the sternal end of each rib

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13
Q

What is the joint classification of the costochondral joint?

A

cartilaginous (amphiarthrosis) synchondrosis

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14
Q

What joint classification is now given to the joint between the sternum, clavicle, and first rib?

A

synovial saddle (diarthrosis sellar) joint

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15
Q

What ribs will participate in the sternocostal or sternochondral joint?

A

rib 1 to rib 7

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16
Q

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

A

cartilaginous (amphiarthrosis) synchondrosis

17
Q

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

A

cartilaginous (amphiarthrosis) symphysis

18
Q

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

A

synovial plane (diarthrosis arthrodia)

19
Q

What are the joint surfaces of the second sternocostal or sternochondral joint?

A

the costal cartilage of the second rib with costal rotch II of the manubrium sterni, costal notch II of the corpus sterni and the manubrium symphysis

20
Q

What are the joint surfaces of the third - seventh sternocostal or sternochondral joint?

A

the costal cartilage of ribs 3-7 with costal notch III-VII of the corpus sterni

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 forms the manubriosternal joint?

A

fibrocartilage layer attaches the manubrium sterni to the corpus sterni

25
Q

Which sternal joint will ossify by age forty?

A

the joint between the corpus sterni and the xiphoid process

26
Q

How many primary centers of ossification appear in the manubrium?

A

1-3 centers have been identified

27
Q

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

A

typically 6

28
Q

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

A

the xiphoid process

29
Q

When does the xiphoid process first demonstrate a center of ossification?

A

sometime during or after 3 years old

30
Q

When will the synchondroses between sternabrae begin to ossify?

A

during puberty

31
Q

Synchondroses of the corpus sterni will fuse together beginning with which sternabrae?

A

the lower sternabrae fuse first; they ossify in a caudal to cranial direction

32
Q

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

A

the body (corpus, shaft)

33
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

34
Q

Which ribs will demonstrate primary centers of ossification for the body (corpus or shaft)?

A

all ribs; ribs 1-12

35
Q

Which ribs lack secondary centers of ossification?

A

ribs 11 and 12

36
Q

Which ribs demonstrate three secondary centers of ossification?

A

ribs 2-9

37
Q

Which ribs have only two secondary centers of ossification?

A

ribs 1 and 10

Spinal Anatomy -- Morter (21 decks)

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