Superficial Structures - Part 2

Question 1

What is the TDLU formed by? (2)

Answer 1

1. Acini

2. Terminal duct

Question 2

What join to form a breast lobe?

Answer 2

Several TDLU

Question 3

What is the origin of nearly all breast pathology?

Answer 3

TDLU

Question 4

What should the diameter of the TDLU not exceed?

Answer 4

2mm

Question 5

What duct is contained in each breast?

Answer 5

The lactiferous duct

Question 6

Where does the lactiferous duct course?

Answer 6

Towards the nipple

Question 7

Where does the lactiferous duct enlarge?

Answer 7

At the areola

Question 8

What is lactiferous duct lined with?

Answer 8

Epithelial cells

Question 9

What should the diameter of the lactiferous duct never exceed?

Answer 9

3mm

Question 10

What are the layers of skin of the breast composed of? (2)

Answer 10

1. Epidermis

2. Dermis

Question 11

What is the thicken of the skin of the breast?

Answer 11

2-3mm

Question 12

What is the subcutaneous fat layer also known as?

Answer 12

Pre-mammary layer

Question 13

What is the subcutaneous fat layer composed of? (2)

Answer 13

1. Fat

2. Connective tissues

Question 14

Where is the subcutaneous fat layer located?

Answer 14

Between the skin and the mammary zone

Question 15

What does the subcutaneous fat layer contain?

Answer 15

Cooper ligaments diverse

Question 16

Coopers ligaments

Answer 16

Connective breast tissue providing a “skeletal” framework for the breast

Question 17

Where are Coopers ligaments located?

Answer 17

Within the subcutaneous layer of the breast

Question 18

Where does Coopers ligaments course?

Answer 18

Between the layers of the superficial fascia

Question 19

Where does the superficial fascia lie?

Answer 19

Within the subcutaneous fat anterior to the mammary zone

Question 20

Mammary zone

Answer 20

Breast parenchyma lying within the superficial fascia

Question 21

What is the mammary zone composed of?(2)

Answer 21

1. Epithelial

2. Stromal tissue

Question 22

Where is the mammary zone located?

Answer 22

Between the subcutaneous fat and retromammary space

Question 23

What does the retromammary space house?

Answer 23

Deep fascia

Question 24

What is the retromammary space composed of?

Answer 24

Small fat lobules

Question 25

Where is the retromammary space located?

Answer 25

Between the posterior margin of the mammary zone and the pectoral muscles.

Question 26

Where is the deep fascia located?

Answer 26

Within the retromammary space

Question 27

Where is the pectoralis major muscle located?

Answer 27

Between the retromammary space and pectoralis minor muscle

Question 28

Where is the pectoralis minor muscle located?

Answer 28

Deep to the pectoralis major muscle and anterior to the rib cage

Question 29

What are the arteries that supply the breast? (2)

Answer 29

1. Lateral thoracic artery | 2. Internal mammary artery

Question 30

Where does the lateral thoracic artery arise from?

Answer 30

The axillary artery

Question 31

Where does the internal mammary artery arise from?

Answer 31

The subclavian artery

Question 32

Where do the superficial veins lie compared to the superficial fascia?

Answer 32

Deep

Question 33

Were do the deep veins drain into in the breast? (4)

Answer 33

1. Internal mammary vein 2. Axillary vein 3. Subclavian vein 4. Intercostal vein

Question 34

Where do lymph vessels generally course?

Answer 34

Parallel with the venous system