axilla

Question 1

definition of the axilla

Answer 1

it is a pyramid shaped space between the upper part of the arm and the side of the chest wall
it is a passage for important blood vessels, nerves and lymph vessels that travel through it to the upper limbb from the root of the neck

Question 2

the axilla has

Answer 2

an apex
a medial wall
a lateral wall
a posterior wall
an anterior wall and a base

Question 3

the apex is directed into the

Answer 3

root of the neck

Question 4

name the borders of teh apex

Answer 4

posterior
anterior and medial borders

Question 5

medial border of the apex

Answer 5

the outer border of the 1st rib

Question 6

posterior border of the apex

Answer 6

by the upper border of scapula

Question 7

anterior border of the apex

Answer 7

by the clavicle

Question 8

the base of the axilla is formed by

Answer 8

skin and superficial fascia

Question 9

anteriorly base description

Answer 9

bounded by the pectoralis major muscle

Question 10

posteriorly base description

Answer 10

bounded by the tendons of latissmus dorsi and teres major

Question 11

medially base description

Answer 11

the chest wall upper five ribs

Question 12

the walls of teh axilla

Answer 12

lateral
medial
anterior
posterior

Question 13

anterior wall of the axilla muscles are

Answer 13

pectoralis major and minor
subclavious muscle
and clavicopectoral fascia

Question 14

posterior wall of the axilla muscles are

Answer 14

subscalpularis
teres major
latissmus dorsi

Question 15

nedial wall of the axilla description

Answer 15

it is wide and formed by
serratus anterior muscle
intercostal muscle
upper 4-5 ribs

Question 16

lateral wall of the axilla description

Answer 16

it is narrow and formed by the biciptal groove
coracobrachialis
and biceps brachii

Question 17

contents of the axilla

Answer 17

cords and branches of the brachial plexus
axillary artery and its branches
axillaary vein and is tributaries
axillary fat
axillary lymph nodes
axillary lymphatic vessels

Question 18

what is the neurovascular bundle

Answer 18

its made up of the axillary arter and three cords from the brachial plexus enclosed in aconnective tissue sheath called the axillary sheath

Question 19

blood vessels in the upper limb

Answer 19

the arch of the aorta has a left subcalvian artery, a left coomon carotid artery and brachiocephalic ehich will later on divide into right subcalvian artery and into right common carotid artery

each subcalvian arteyr will become an axillary artyer at the level of the outer border of the first rib

Question 20

axillary artyery description

Answer 20

begins at the outer border of the 1st rib and ends at the lower border of teres major muscle

Question 21

what muscle divides the axillary artery into 3 parts?

Answer 21

pectoralis minor

Question 22

what arethe 3 parts the axillary artery is divided to

Answer 22

medial
lateral
deep/posterior

Question 23

describe the 1st part of the axillary artery

Answer 23

extends from the lateral border of the 1st rib unto the upper border of pectoralis minor muscle

Question 24

describe the 2nd part of the axillary artery

Answer 24

lies behind the pectoralis minor muscle

Question 25

describe the 3rd part of the axillary artery

Answer 25

extends from the lower border of pectoralis minor to the lower border of teres major muscle

Question 26

what region does the branches of axillary artery supply?

Answer 26

the thoracic wall a nd the shoulder region

Question 27

the first axillary artery branch is the

Answer 27

highest thoracic artery

Question 28

the second axillary artery branch is the

Answer 28

thoracoacromial and lateral thoracic arteries

Question 29

the third axillary artery branch is the

Answer 29

subscalpular atery
anterior and posterior circumflex humeral arteries