Serous Membranes & Cavities

Question 1

What are the 3 body cavities?

Answer 1

Thoracic

Abdominal

Pelvic

Question 2

Which 2 body cavities are connected?

Answer 2

abdominal and pelvic cavity

Question 3

What is the thoracic cavity lined by?

Answer 3

endothoracic fascia

Question 4

What separates the thoracic cavity from the abdominal cavity?

Answer 4

the diaphragm

Question 5

What lines the abdominal and pelvic cavities?

Answer 5

transversalis fascia

Question 6

What is significant about the diaphragm

Answer 6

It’s the main muscle of inspiration

Question 7

What are the general characteristics of serous membrane cavities?

Answer 7

lined by serous membranes

normally empty

prevent adhesions to allow organs to slide

Question 8

What’s an example of a barrier to adhesion?

Answer 8

epithelium

Question 9

What are serous membranes made of?

Answer 9

a single layer of flattened mesothelial cells (flattened fibrocytes)

applied to a thin layer of collagenous tissue

Question 10

Serous membrane that covers the wall of the cavity is called….

Answer 10

parietal

Question 11

serous membrane that covers the viscera is called….

Answer 11

visceral

Question 12

What’s the serous membrane that runs between parietal and visceral?

Answer 12

connecting?

Question 13

What are the 4 serous membranes

Answer 13

peritoneum

pleura

pericardium

vaginal tunics

Question 14

Where is the peritoneal cavity?

Answer 14

abdominal and pelvic cavities

Question 15

True or False

Serous membranes differ in location but are histologically and functionally the same…

Answer 15

TRUE

Question 16

Where are the pleural cavities?

Answer 16

thoracic cavity

Question 17

What separates the 2 pleural cavities

Answer 17

the mediastinum

Question 18

Where is the pericardial cavity?

Answer 18

within the mediastinum of the thoracic cavity

Question 19

What’s another name for the visceral pericardium

Answer 19

epicardium

Question 20

Where is the cavity of the vaginal tunics?

Answer 20

begins at the vaginal ring and extends into the scrotum and around the spermatic cord and testis

Question 21

True or false

The 4 main cavities form from separate cavities?

Answer 21

FALSE

forms from a common cavity with separate partitions and additional excavations

Question 22

Does the vaginal process and the vaginal tunic have a serous membrane?

Answer 22

YES!