Axilla and Breasty

Question 1

What is the axilla?

Answer 1

deep compartment of the armpit

Question 2

Where is the axillary region located ?

Answer 2

inferior to the glenohumeral joint and the junction of the arm and the thorax

Question 3

What is the axilla an important passageway for?

Answer 3

neurovascular structures

Question 4

What is the medial border of the axilla?

Answer 4

sternum and ribs

Question 5

What is the lateral border of the axilla?

Answer 5

the humerus

Question 6

What is the superior border of the axilla?

Answer 6

clavicle

Question 7

What is the posterior border of the axilla?

Answer 7

the scapula

Question 8

What is the superficial fascia of the pectoral region?

Answer 8

subcutaneous
-fatty

Question 9

What is the deep fascia of the pectoral region?

Answer 9

compartmentalizing
surrounds muscle
attaches to bonemost of the time

Question 10

What is the platysma muscle?

Answer 10

muscle over lower mandible, neck, and upper thoracic/shoulder region
-very superficial skeletal muscle that is mostly subcutaneous

Question 11

What are the types of fascia seen in the axillary region?

Answer 11

deltoid fascia, pectoral fascia, axillary fascia

Question 12

What is included in the superficial fascia of axillary region?

Answer 12

-skin and subcutaneous fatty tissue
-platymus muscle
-supraclavicular nerves
-anterior and lateral branches of intercostal nerves

Question 13

Where does the pectoral fascia attach?

Answer 13

clavicle and sternum

Question 14

What does the axillary fascia form?

Answer 14

the floor of the axilla

Question 15

What does the clavipectoral fascia cover?

Answer 15

subclavius and pectoralis minor

Question 16

What separates the subclavius and pectoralis minor?

Answer 16

costocoracoid membrane

Question 17

What does the deltoid fascia cover?

Answer 17

all of the scapular muscles

Question 18

What are the borders of the clavipectoral triangle?

Answer 18

deltoid, pectoralis major, and middle 1/3 of clavicle

Question 19

What are the contents of the claviapectoral triangle?

Answer 19

cephalic vein, deltopectoral lymph nodes, deltoid, and branch of thoracoacromial artery

Question 20

Border of the anterior wall of the axilla?

Answer 20

anterior axillary fold

Question 21

Border of the posterior wall of the axilla?

Answer 21

posterior axillary fold

Question 22

What muscle makes up the anterior axillary fold?

Answer 22

the pectorlais major

Question 23

What muscle makes up the posterior axillary fold?

Answer 23

latissimus dorsi
-possibly teres major

Question 24

What is within the apex of the axilla?

Answer 24

the cervicoaxillary canal

Question 25

What is the cervicoaxillary canal?

Answer 25

passage way for neurovascular structures (axillary vessels and brachial plexus components)

Question 26

What are the boundaries for the apex of the axilla?

Answer 26

clavicle scapula 1st rib

Question 27

What are the boundaries of the base of the axilla?

Answer 27

-skin and superficial fascia -anterior axillary fold -posterior axillary fold -chest wall

Question 28

What are the borders of the anterior wall of the axilla?

Answer 28

-clavicle -subclavius muscle -pectoralis major -pectoralis minor

Question 29

What makes up the posterior border of the axilla?

Answer 29

-scapula -subscapularis muscle -latissimus dorsi -teres major

Question 30

What makes up the lateral wall of the axilla?

Answer 30

-interterubercular sulcus -tendon of long head of bicep -coracobrachialis tendon -sometimes the humerus?

Question 31

What makes up the medial wall of the axilla?

Answer 31

ribs and serratus anterior

Question 32

What are the contents of the axillary sheath?

Answer 32

-axillary vein -axillary artery -brachial plexus

Question 33

What are the lymphnodes in the axillary region?

Answer 33

axillary lymphnodes

Question 34

What is the axilla sheath?

Answer 34

separate fascia compartment of the axilla -extension of the prevertebral layer of deep cervical fascia into the cervicoaxillary canal

Question 35

What is the axillary artery?

Answer 35

continuation of the subclavian artery -provide blood to the shoulder, thorax, and axillary region

Question 36

What is the axillary vein?

Answer 36

formed by the coming together of the brachial veins and the basilic vein

Question 37

What joins with the axillary vein to become the subclavian vein?

Answer 37

cephalic vein

Question 38

What does the axillary artery become?

Answer 38

brachial artery

Question 39

What does the brachial plexus innervate?

Answer 39

shoulder, pectoral region, scapular region, and upper limb

Question 40

What part of the nerves are found in the axillary sheath?

Answer 40

the cords of the brachial plexus

Question 41

What are the five groups of axillary lymphnodes?

Answer 41

-pectoral -subscapular -humeral -central -apical

Question 42

Where are the pectoral lymphnodes?

Answer 42

medial wall of axilla

Question 43

Where are the subscapular lymphnodes?

Answer 43

posterior axillary fold

Question 44

Where are the humeral lymphnodes?

Answer 44

lateral wall of axilla

Question 45

Where are the central lymphnodes?

Answer 45

base of axilla

Question 46

Where are the apical lymphnodes ?

Answer 46

apex