Thorax (regions And Membranes)

Question 1

What is the anatomical term for the anterior thoracic region on the midline?

Answer 1

Sternal region

Question 2

What is the anatomical region surrounding the nipple on the anterior thorax?

Answer 2

Mammary region

Question 3

What is the anatomical region found on the superior lateral aspect of the anterior thorax?

Answer 3

Pectoral regions

Question 4

What is the anatomical term for what is commonly called the armpit?

Answer 4

Axilla, axillary region

Question 5

Where is the sternal angle?

Answer 5

Found at the junction between the manubrium and the body of the sternum
Corresponds with the 2nd rib

Question 6

Define the midclavicular line?

Answer 6

Imaginary line extending inferior from the middle of the clavicle

Question 7

Imaginary line extending down the lateral aspect of the chest in the axillary region

Answer 7

Midaxillary line

Question 8

Cylindrical projection containing numerous openings of excretory ducts that transport milk?

Answer 8

Nipple

Question 9

What is the pigmented area around the nipple?

Answer 9

Areola

Question 10

What is the extension of the breast that extends laterally toward the axilla?

Answer 10

Axillary Tail/process

Question 11

What structures give the areola an uneven and grainy appearance?

Answer 11

Areolar glands

Question 12

What internal structures of the breast extend from the deep fascia overlying the pectoralis major to the skin?

Answer 12

Suspensory ligaments

Question 13

Tiny ducts from the alveoli and lobules of the breast merge to form what structures?

Answer 13

Lactiferous ducts

Question 14

As each lactiferous duct approaches the nipple it expands to form what structure?

Answer 14

Lactiferous sinus

Question 15

What body cavity arises from a space called the coelom that forms during embryonic development?

Answer 15

Ventral cavity

Question 16

What muscular partition separates the ventral cavity into two smaller cavities?

Answer 16

Diaphragm

Question 17

What type of membrane lines the ventral cavity?

Answer 17

Serous membranes

Question 18

Of the membranes that line the ventral cavity, what layer adheres to the internal surface of the body wall?

Answer 18

Parietal layer

Question 19

Of the membranes that line the ventral cavity, what layer adheres to the external surface of the internal organs?

Answer 19

Visceral layer

Question 20

What is the potential space between the two layers of the membranes lining the ventral cavity?

Answer 20

Serous cavity

Question 21

What is the function of serous fluid?

Answer 21

Lubrication

Question 22

What body cavity is surrounded by the ribs and vertebral column and holds the heart and lungs?

Answer 22

Thoracic cavity

Question 23

What is the median space within the thoracic cavity?

Answer 23

Mediastinum

Question 24

What organs lie within the median space within the thoracic cavity?

Answer 24

Heart, thymus, esophagus, trachea, major blood vessels

Question 25

What serous membrane surrounds the heart?

Answer 25

Pericardium

Question 26

Of the membrane surrounding the heart, what portion forms the sac surrounding the heart?

Answer 26

Parietal pericardium

Question 27

Of the membrane surrounding the heart, what portion forms the heart’s external surface?

Answer 27

Visceral pericardium

Question 28

What is the potential space surrounding the heart?

Answer 28

Pericardial cavity

Question 29

What serous membrane is associated with the lungs?

Answer 29

Pleural membrane

Question 30

Of the serous membrane associated with the lungs, what portion adheres to the internal thoracic wall?

Answer 30

Parietal pleura

Question 31

Of the serous membrane associated with the lungs, what portion adheres directly to the lungs?

Answer 31

Visceral pleura

Question 32

What is the potential space between the lungs and the thoracic wall?

Answer 32

Pleural cavity