Exam 2 - Basic Osteology (Coccyx and Sternum and Ribs) Flashcards Preview

Spinal Anatomy > Exam 2 - Basic Osteology (Coccyx and Sternum and Ribs) > Flashcards

Flashcards in Exam 2 - Basic Osteology (Coccyx and Sternum and Ribs) Deck (29):
1

What is the typical number of segments that unite to form the adult coccyx?

4 segments

2

What bony features are present on the coccyx?

all segments are represented by a vertebral body
in addition, Co1 has a coccygeal cornu and transverse process

3

What feature is present at the top of the manubrium sterni?

jugular notch (suprasternal notch)

4

What is the name given to the articular site at the superolateral margin of the manubrium sterni?

clavicular notch

5

What names are given to the articular sites for the joint with the first and second rib?

costal notch I for the first rib costal cartilage
costal notch II for the second rib costal cartilage

6

How many sternabrae for the corpus sterni?

4 sternabrae

7

What surface feature on the corpus sterni identifies the location of the old synchondroses?

transverse lines

8

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

costal notches II-VI

9

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

a sternal foramen

10

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

head
neck
tubercle

11

What features may be identified on the head of a typical rib?

two articular surfaces and the interarticular crest

12

what feature on the head of a rib seperates the superior and inferior articular facet?

interarticular crest

13

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

crest of the rib

14

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

the articular surface of the tubercle
nonarticular surface of the tubercle

15

Which feature of the tubercle of a typical rib is closer to the head of the rib?

the articular surface of the tubercle

16

What is present on the head of the first rib?

a single articular surface

17

What is lacking at the head of the first rib?

an interarticular crest

18

Is there a crest of the neck of the first rib?

not a well-developed one like on the typical rib

19

What is unique about the body (corpus or shaft) of the first rib?

the body of the first rib is flattened and has a scalene tubercle flanked by the groove for the subclavian artery and the groove for the subclavian vein

20

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

the groove for the subclavian artery and the first thoracic nerve

21

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

groove for the subclavian vein

22

What features may be identified on the head of rib 2?

two articular surfaces and the interarticular crest

23

What feature of the head of rib 2 separates the superior from inferior articular facet/surface?

the interarticular crest

24

What feature may be identified on the neck of rib 2?

the crest of the rib

25

What feature may be identified on the tubercle of rib 2?

the articular surface of the tubercle
the non-articular surface of the tubercle

26

Which feature of the tubercle of rib 2 is closer to the head of the rib?

the articular surface of the tubercle

27

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

tuberosity for the serratus anterior

28

What distinguishes the vertebral end of rib 11 from typical ribs?

the single articular surface
absence of a well-developed crest on the neck
tubercle may be absent or present
if present on contains a non-articular surface

29

What helps distinguish the vertebral end of the twelfth rib from other ribs?

the head has a single articular surface
the crest of the neck is poorly developed
the tubercle is absent