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Spinal > Osteology Of The Anterior Thorax > Flashcards

Osteology Of The Anterior Thorax Flashcards

1
Q

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

A

T3-T4

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2
Q

Which ribs will articulate with the manubrium sterni?

A

The first and second ribs

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3
Q

What separates the manubrium sterni and corpus sterni?

A

The manubrisoternal 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

How many sternabrae form the corpus sterni?

A

4

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6
Q

What surface feature on the corpus sterni IDes the location of the synchondroses?

A

Transverse lines

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7
Q

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

A

Costal notches II-VI

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8
Q

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

A

A sternal Foramen

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9
Q

What are the primary parts of the vertebral end of a typical rib?

A

The head, neck and tubercle

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10
Q

What features may be IDed on the neck of a typical rib?

A

The crest of the rib

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11
Q

What attaches to the crest of the neck of the rib?

A

The superior costotransverse ligamnet

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12
Q

What attaches beneath the crest of the neck of the rib?

A

The inferior costotransverse ligament

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13
Q

What features may be IDed on the tubercle of a typical rib?

A

The articular surface of the tubercle and the non-articular surface of the tubercle

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14
Q

What joints with the articular surface of the tubercle of the rib?

A

The transverse costal facet of a thoracic transverse tubercle

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15
Q

What attaches to the non-articular surface of the tubercle of a rib?

A

The lateral costotransverse ligament

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16
Q

What features may be IDed on the body (corpus or shaft) of a typical rib?

A

The costal angle and costal groove

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17
Q

What attaches to the costal angle of a rib?

A

The Iliocostalis muscle and thoracolumbar aponeurosis/fascia

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18
Q

What is unique about he Boyd of the first rib?

A

The Boyd of the first rib if flattened and has a scalene tubercle flanked by the groove for the subclavian artery and vein

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19
Q

What attaches to the scalene tubercle of the first rib?

A

The anterior scalene muscle

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20
Q

Which groove on the body of the first rib is close to the vertebral end?

A

The groove for the subclavian artery and 1st thoracic nerve

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21
Q

Which groove on the body o fat e1st rib is close to the sternal end?

A

The groove for the subclavian vein

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22
Q

Is either the costal angle or groove apparent on the first rib?

23
Q

What does the superior articular surface on the head of the second rib joint with?

A

The inferior costal semi facet of T1

24
Q

What does the interarticular ligament of the head of the second rib joint with?

A

The interarticular crest on the head of the second rib and the intervertebral disc between T1 and T2

25
Q

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

A

The superior costotransverse ligament form the transverse process of T1a

26
Q

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

A

The inferior costotransverse ligament form the transverse process of T2

27
Q

What specifically attaches to the non-articular surface of the tubercle of the second rib?

A

The lateral costotransverse ligament from the transverse tubercle of T2

28
Q

What unique feature is present on the body of the second rib?

A

The tuberosity for the Serratus anterior

29
Q

How is the vertebral end of ribs 10, 11 and 12 similar to that of the first rib?

A

All have a single articular surface on the head for the costotransverse joint

30
Q

What features are IDed on the body of rib 10?

A

The costal angle and the costal groove

31
Q

What features may be present on the body of the 11th rib?

A

The costal angle and costal groove are under-developed

32
Q

What is the condition of the body of rib 12?

A

The costal angle and groove are absent and it is the shortest rib

33
Q

What classifications are given to ribs articulating with the sternum in the typical adult skeletons?

A

True ribs, costa verae, vertebrosternal ribs

34
Q

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

A

Typical ribs, true ribs, costa verae, and vertebrosternal ribs

35
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

36
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

37
Q

What are the classification for rib 10 in the typical adult skeleton?

A

Atypical rib, false rib, costa spuriae, and vertebrochondral rib

38
Q

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

A

Atypical ribs, false ribs, costa spuriae, and vertebral ribs

39
Q

What are the characteristics of the (amphiarthrosis) synchondrosis?

A

They are primary cartilage joints, temporary in longevity, composed of hyaline cartilage and form between ossification centers within a cartilage within a cartilage template

40
Q

What are examples of a permanent (amphiarthrosis) synchondrosis?

A

Costochondral joints or the first sternochondral joint

41
Q

What are the characteristics of a (amphiarthrosis) symphysis?

A

Limited motion, median plane location, support ligaments both anterior and posterior to the joint, more permanent in longevity than synchondrosis and they occur between bones developing by endochondral ossification

42
Q

Which ribs demonstrate costochondral joints?

43
Q

What are the joint surfaces of the costochondral joint?

A

The costal cartilage with the sternal end of each rib

44
Q

What is the joint classification of the costochondral joint?

A

Cartilaginous (amphiarthrosis) synchondrosis

45
Q

What is the sternocostal or sternochondral joint?

A

The joint between the costal cartilage and the costal notches of hot sternum

46
Q

What ribs will participate in the sternocostal or sternochondral joint?

47
Q

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

A

Cartilaginous (amphiarthrosis) synchondrosis

48
Q

What is the classification of the 2nd-7th sternocostal joints?

A

Synovial plane (diarthrosis arthrodia)

49
Q

Wha are the joint surfaces of the second sternocostal joint?

A

The costal cartilage of the 2nd rib with the costal notch II of the manubrium sterni, costal notch II of the corpus sterni and the manubrium symphysis

50
Q

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

A

The intra-articular ligament

51
Q

What is the classification of the 6th-9th interchondral joints?

A

Synovial plane (diarthrosis arthrodia)

52
Q

What is the classification of the 5/6 or 9/10 interchondral joint?

A

Fibrous (amphiarthrosis) syndesmosis

53
Q

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

A

The 11th and 12th costal cartilages

54
Q

In the developing sternum, what joint classification is present between the manubrium, corpus, and xiphoid process?

A

Cartilaginous (amphiarthrosis) symphysis

Spinal (47 decks)

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