Lesson 3A (Part 1)

Question 1

What is the peritoneum?

Answer 1

A very thin continuous transparent serous membrane

Question 2

What does the peritoneum form?

Answer 2

The lining of the abdominal cavities

Question 3

What does the peritoneum mostly cover?

Answer 3

The intra-abdominal organs

Question 4

What are the functions of the peritoneum? (2)

Answer 4

1. Support the viscera

2. Provide a pathway for blood vessels and lymphs

Question 5

What does the peritoneum secrete?

Answer 5

A serous fluid that separates the 2 linings

Question 6

What are 2 layers of the serous membrane for the peritoneum?

Answer 6

1. Visceral peritoneum

2. Parietal peritoneum

Question 7

What does the visceral peritoneum do?

Answer 7

Covers the organs

Question 8

What does the parietal peritoneum do?

Answer 8

Is the layer that lines the cavity

Question 9

What does the peritoneum form?

Answer 9

A closed sac

Question 10

What is the peritoneum cavity in males?

Answer 10

Closed

Question 11

What is the peritoneum cavity in females?

Answer 11

Open

Question 12

What does the peritoneum cavity in females allow?

Answer 12

Communication with the exterior through uterine tubes, uterus and the vagina

Question 13

Where does the peritoneum over the anterior surface of the rectum extend to in females? What does it form?

Answer 13

1. Uterus

2. Rectouterine pouch

Question 14

What does the peritoneum over the anterior surface of the uterus to the bladder form?

Answer 14

Vesicouterine pouch

Question 15

In the inferior level of the vesicouterine pouch, where is the rectum compared to the vagina and the urethra?

Answer 15

Posterior

Question 16

Where does the peritoneum extend from the upper anterior portion of the rectum to in males? What does it for?

Answer 16

1. Bladder

2. Rectovesical pouch

Question 17

Inferior to the rectovesical pouch, what is the anterior portion of the rectum related to?

Answer 17

Posterior aspect of the bladder

Question 18

What are 3 examples of cul-de-sacs?

Answer 18

1. Rectouterine pouch
2. Vesicouterine pouch
3. Rectrovesical pouch

Question 19

What 2 cul-de-sacs do you find in women?

Answer 19

1. Rectouterine pouch

2. Vesicouterine pouch

Question 20

What cul-de-sac do you find in men?

Answer 20

Rectovesical pouch

Question 21

What are 3 kinds of peritoneum?

Answer 21

1. Mesenteries
2. Omenta
3. Peritoneal ligaments

Question 22

How many layers are there in mesenteries?

Answer 22

2

- fused

Question 23

What does the mesentery do?

Answer 23

It is a layer of peritoneum that encloses the intestines

Question 24

What is the function of the mesentery?

Answer 24

It attaches the intraperironeal structures in the abdominal cavity to the abdominal wall
- suspends organs in the abdominal cavity

Question 25

What do mesenteries serve as?

Answer 25

A channel for blood vessels, lymphatic vessels and nerves

Question 26

Meso

Answer 26

Middle

Question 27

Enteron

Answer 27

Intestine

Question 28

What are 3 examples of mesenteries?

Answer 28

1. Mesojejunum
2. Mesometrium
3. Mesovarium

Question 29

What does mesojejunum suspend?

Answer 29

The jejunum

Question 30

What does mesometrium suspend?

Answer 30

Uterus

Question 31

What does mesovarium suspend?

Answer 31

Ovaries

Question 32

Where does the mesentery go?

Answer 32

Goes up and around the bowl and comes back down

• creates a 2 fused double layer
• -> 4 layers in total

Question 33

What does the mesentery allow?

Answer 33

Organs to move around, but only to a certain degree

Question 34

What does the mesentery hold?

Answer 34

The bowel