Breast and Pect

Question 1

Clavicle

Answer 1

Forms strut to support upper limb

Articulates with the sternum medially and the acromium process of the scapula laterally

Question 2

Manubrium of Sternum

Answer 2

Broad upper part of sternum

Joins the body (at the angle of loius), the clavicles, and the first rib

Question 3

Scapula

Answer 3

Posterior Aspect of chest wall
Articulates with the clavicle at the acromioclavicular (acromium) joint
Has a corocoid process where muscles, including pec minor, and ligaments attach.

Question 4

Humerus

Answer 4

Long bone of arm
Head articulates with the scapula at the glenoid fossa
Articulates distally with radius and ulna
Pec Major inserts on the proximal humerous

Question 5

Areola

Answer 5

Pigmented portion surrounding nipple

Question 6

Nipple

Answer 6

Prominence that is variable in size and location

Question 7

Four quadrants of breast

Answer 7

Divided Horizontally and vertically through mid nipple

Question 8

Mammary Glands

Answer 8

Modified sweat glands contained entirely in the superficial fascia of the anterior thorax
Extends from lateral sternum to mid-axillary line and from 2nd to 6th ribs

Question 9

Lactiferous ducts

Answer 9

Opening onto nipples contain drain lobules 15-20

Question 10

Suspensory Ligaments

Answer 10

(Cooper’s Ligaments)

Attaches mammary glands to the deep fascia and provides support/ shape to breast

Question 11

Axillary tail

Answer 11

(Tail of Spence) the mammary rissue that tapers and extends into the the axilla

Question 12

Retromammary space

Answer 12

a potential space filled with loose connective tissue located between the deep fascia and the breast
allows free movement of breasts

Question 13

Pectoralis Major Attachments

Answer 13

Attaches to clavicle, sternum, upper ribs, and humerous

Question 14

Pectoralis Major Innervation

Answer 14

Medial and Lateral Pectoral nerves

Question 15

Pectoralis Major Action

Answer 15

Flexes and Adducts the arm, medially rotates the arm

Question 16

Pectoralis Major Blood Supply

Answer 16

Pectoral branch of thoroacromial trunk

Question 17

Carcinoma in Pec Region

Answer 17

Usually in Retromammary space, causing tethering of pec major and breast

Question 18

Pectoralis Minor Attachments

Answer 18

Ribs 3-5 and coracoid process

Question 19

Pectoralis Minor Innervation

Answer 19

Medial Pectoral nerve

Question 20

Pectoralis Minor Action

Answer 20

Draws the scapula forward, medially, and downward

Question 21

Pectoralis Minor Blood Supply

Answer 21

pectoral branch of thoroacromial trunk

Question 22

Pectoralis Minor Other

Answer 22

Medial pectoral nerve pirce the pec minor to reach deep surface of pec major

Question 23

Serratus Anterior Attachments

Answer 23

Ribs 1-8 and medial border of scapula (deep surface)

Question 24

Serratus Anterior Innervation

Answer 24

long thoracic nerve

Question 25

Serratus Anterior Action

Answer 25

Draws the scapula forward on the rib cage | Important for rasing arm above shoulder (rotates glenoid fossa)

Question 26

Serratus Anterior Blood Supply

Answer 26

Lateral thoracic artery

Question 27

Serratus Anterior Clinical Correlation

Answer 27

causes winged scapula if long thoracic nerve is damaged

Question 28

Medial Pectoral Nerve

Answer 28

Usually passes through Pec Minor then into the pec minor | Innervates both Pecs

Question 29

Lateral Pectoral Nerve

Answer 29

Accompanies the pectoral branch of the thoracoacromial artery along the deep surface of pec major

Question 30

Axillary Artery

Answer 30

continuation of subclavian artery and continuous distally with the brachial artery

Question 31

Thoracoacromial Artery

Answer 31

Stump of an artery that branches from the axillary and quickly divides into 4 branches The Pectoral branch course with pectoral nerves to supply blood to pectoral muscles

Question 32

Lateral Thoracic Artery

Answer 32

Passes inferiorly on the surface of the serratous anterior muscle Runs with the long thoracic nerve

Question 33

Dermatome of Nipple

Answer 33

T4

Question 34

MLO mammography view

Answer 34

Mediolateral-oblique | looking at a 45 degree angle toward side and down

Question 35

CC mammography view

Answer 35

Cranial Caudal | Viewing straight toward feet

Question 36

Lateral Breast Artery and Vein Blood Supply

Answer 36

Lateral thoracic artery and vein

Question 37

Medial Breast Artery and Vein Blood Supply

Answer 37

Internal Thoracic Artery and Vein

Question 38

Lymph Duct that collects from most of body

Answer 38

Thoracic Duct

Question 39

Right lymphatic Duct

Answer 39

Collects lymph from right arm and right sternum and right head

Question 40

Axillary lymph nodes

Answer 40

drain mostly lateral breast and receive 75% of lymph

Question 41

Medial and inferior lymph breast drainage

Answer 41

Medial parasternal | Inferior subdiaphragmatic lymph nodes