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Flashcards in lecture 2 Deck (30):
1

apex of lung

top pointy part of lung

2

clavicle

collar bone

3

coracoid process

hook like structure on lateral superior anterior portion of scapula

4

acromion

summit of shoulder

5

infrasternal angle/costal margin

acute angle between left and right costal arches

6

true ribs

1-7 attach to sternum

7

false ribs

8-10 attach indirectly

8

floating ribs

11,12 dont attach

9

manubrium

square superior portion sternum where sterno clavicular joint is

10

sternal body

main breast bone articulates with 2-7 costal cartilages manubrium and xiphoid process

11

xiphoid process

located at t9 vertebrae level. linea alba attaches here (middle of your six pack line)

12

sternal angle

between manubrium and sternal body. start and end of aortic arch

13

jugular notch

at t2 level on superior manubrium

14

costal groove

ridge for vessels to run through in ribs

15

contents of costal groove

intercostal vein, arterty, and nerve VAN

16

lima or lita

branches from subclavian artery and travels inferior supplying each rib

17

anterior intercostal artery

arises from lima and anastomosed to posterior intercostal artery

18

posterior intercostal artery

arises from thoracic aorta

19

internal thoracic vein

accompanies the ITA/IMA ALONG RIB drains into brachiocephalic vein

20

anterior intercostal vein

drain into internal thoracic vein and musclarphrenic vein to brachoiocephalic vein

21

posterior intercostal vein

upper 2 drain into brachiocephalic 9 lower ones are a part of azygos system and drain into svc

22

heart location in thorax

in between 3rd and 6th rib.

23

ectopia cordis

heart is exposed externally

24

pectus excavatum

inward funneling of sternum

25

flail chest

multiple rib fractures chest wall moves freely with respiration

26

anterior mediastinum

between sternal angle,deep sternal surface,contains ITA inferior thymus and lymph nodes

27

middle mediastinum

percardial sac and heart

28

posterior mediastinum

descending thoracic aorta azygos system of veins esophagus vagus nerve trachea and lymph nodesq

29

superior mediastinum

great vessels, aortic arch ,SVC, TRACHEA ,ESOPHAGUS,VAGUS NERVE ,PHRENIC NERVE THYMUS

30

FIBROUS PERICARDIUM

ENCLOSES SEROUS PERICARDIUM CONTENTS AND HEART RESTS ON DIAPHRAGM PREVENTS OVER STRETCHING TOUGH INELASTIC PROVIDES PROTECTION ANCHORS HEART