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Flashcards in Breast and Thoracic Wall Deck (66)
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What structures are contained in the superior thoracic aperature?

trachea, esophagus, vessels, and nerves

1

What is the posterior border of the superior thoracic aperature?

T1 vertebra

2

What is the lateral border of the superior thoracic aperature?

first pair of ribs and their costal cartilages

3

What is the anterior border of the superior thoracic aperature?

superior border of the manubrium

4

What is considered the anatomical thoracic inlet?

superior thoracic aperature

5

What is considered the anatomical thoracic outlet?

inferior thoracic aperature

6

What is the posterior border of the inferior thoracic aperture?

T12 vertebra

7

What is the posterolateral border of the inferior thoracic aperture?

11th and 12th pairs of ribs

8

What is the anterolateral border of the inferior thoracic aperture?

joined costal cartilages of ribs 7-10, forming the costal margin

9

What is the anterior border of the inferior thoracic aperture?

xiphisternal joint

10

What are the three types of ribs?

true (vertebrosternal), false (vertebrochondral), and floating (free)

11

Which ribs are considered typical?

3-9

12

What ribs are considered atypical?

1, 2, and 10-12

13

What do costal cartilages do?

prolong the ribs anteriorly and contribute to the elasticity of the thoracic wall

14

The intercostal spaces and neurovascular structures are named according to what?

the rib forming the superior border of the space

15

Where is the subcostal space?

immediately below the 12th rib

16

What is the classification of the intervertebral joint?

symphysis

17

What is the classification of the costovertebral joint?

plane synovial

18

What is the classification of the costotransverse joint?

plane synovial

19

What is the classification of the sternocostal joint?

1st: synchondrosis
2nd-7th: plane synovial

20

What is the classification of the sternoclavicular joint?

saddle, synovial

21

What is the classification of the costochondral joint?

synchondrosis

22

What is the classification of the interchondral joint?

plane synovial

23

What is the classification of the manubriosternal joint?

symphasis

24

What is the classification of the xiphisternal joint?

synchondrosis

25

During passive expiration, the diaphragm and intercostal muscles ____, decreasing ______, and increasing ______.

relax; intrathoracic volume; intrathoracic pressure

26

What increases volume of the thorax?

inspiration

27

What happens during expiration?

intra-abdominal pressure decreases and the abdominal viscera are decompressed

28

From where does the base of the female breast extend?

transversly from the lateral border of the stenum to the anterior axillary line; vertically from the 2nd-6th ribs

29

What do suspensory ligaments do?

firmly attach mammary glands to the dermis of overlying skin; help support mammary gland lobules