Abdominopelvic Cavity

Question 1

What are the boundaries of the PELVIC INLET

Answer 1

• Linea terminalis
• Superior margin of the pubic Symphysis
• Posterior border of the pubic crest
• Pectin Pubis
• Arcuate line of the ilium
• Sacral ala
• Sacral promontory

Question 2

What are the boundaries of the PELVIC OUTLET

Answer 2

• Inferior margin of the pubic symphysis
• Inferior rami of pubis
• Ischeal tuberosities
• Sacrotuberous ligament
• Tip of coccyx

Question 3

What covers the pelvic outlet?

Answer 3

Pelvic diaphragm

Question 4

The false pelvis is also called the…

Answer 4

Greater pelvis

Question 5

The true pelvis is also known as the…

Answer 5

Lesser pelvis

Question 6

This is the dividing line between the false pelvis and the true pelvis

Answer 6

Linea terminalis

Question 7

This lies below the true pelvis, and is composed of the pelvic diaphragm and the pelvic floor muscles

Answer 7

Perineum

Question 8

What 2 muscles does the pelvic diaphragm consist of…

Answer 8

• Levator ani

- Coccygeus

Question 9

What is the pelvic canal

Answer 9

Passage way between the pelvic inlet, lesser pelvis, and pelvic outlet

Question 10

This is a serous membrane that is derived from the mesoderm which lines the abdominopelvic cavity and invests the viscera

Answer 10

Peritoneum

Question 11

This lines the interal surface of the abdominopelvic wall

Answer 11

Parietal peritoneum

Question 12

What innervates the parietal peritoneum?

Answer 12

Somatic nerves

Question 13

This invests certain organs

Answer 13

Visceral peritoneum

Question 14

Since the blood supply of the visceral peritoneum is similar to the viscera, the innervation is…

Answer 14

Autonomic

Question 15

Is the peritoneal cavity completely closed?

Answer 15

In males yes, in females it is NOT completely closed

Question 16

Describe the opening in the peritoneal cavity in females?

Answer 16

-The opening is through the uterine tube–> uterus –> to the vagina (can turn into peritonitis)

Question 17

These organs are almost completely covered with visceral peritoneum
-Invaginated into the closed sac

Answer 17

Intraperitoneal organs

Question 18

These organs are only partically covered in peritoneum

Answer 18

extraperitoneal organs

Question 19

What are the retroperitoneal organs (5)

Answer 19

• Kidney & ureter
• Adrenal gland
• Aorta
• IVC
• Pancreas

Question 20

These organs are secondarily retroperitoneal (4)

Answer 20

• Duodenum
• Ascending colon
• Descending colon
• Rectum

Question 21

What are the sub-peritoneal organs (4)

Answer 21

• Bladder
• Ovaries
• Uterus
• Uterine Tubes

Question 22

This is a continuation between the visceral and parietal peritoneum
-Double layered

Answer 22

Mesenteries

Question 23

What is carried in the mesentery?

Answer 23

• Means for neurovascular communication between organs and the body wall
• Contains fat, lymph, and vessels

Question 24

What are the ligaments of the liver?

Answer 24

• Falciform ligament
• Coronary
• Triangular ligaments (right and left)

Question 25

What are the 3 components of the greater omentum

Answer 25

- Gastrocolic - Gastrosplenic - Gastrophrenic

Question 26

What are the 2 components of the lesser omentum

Answer 26

- Hepatoduodenal | - Hepatogastric

Question 27

This hangs from the greater curvature of the stomach and proximal duodenum and reflects back to attach to the transverse colon and the mesentery

Answer 27

Greater omentum

Question 28

This connects to the lesser curvature of the stomach and proximal duodenum to the liver

Answer 28

Lesser omentum

Question 29

What is included in the postal triad?

Answer 29

- Hepatic artery - bile duct - hepatic portal vein

Question 30

What does the portal triad travel in?

Answer 30

Within the hepatoduodenal ligament at the free edge of the omentum

Question 31

This is the main larger part of the peritoneal cavity

Answer 31

Greater sac

Question 32

What are the 2 components of the greater sac?

Answer 32

- Supracolic | - Infracolic

Question 33

This is superior to the transverse mesocolon | -Contains the stomach, liver, and spleen

Answer 33

Supracolic compartment of the greater sac

Question 34

This is inferior to the transverse mesocolon and it contains the SI, ascending and descending colon

Answer 34

Infracolic compartment of the greater sac

Question 35

These spaces are separated by the mesentery of the SI

Answer 35

Right and left infracolic spaces

Question 36

These 2 spaces are connected by the right and left paracolic gutters

Answer 36

Supracolic and infracolic spaces

Question 37

What are the recesses of the greater sac?

Answer 37

- Subphrenic - Subhepatic - Hepatorenal (morrisions pouch)

Question 38

This lies between the ascending and descending colon and the posterolateral abdominal wall

Answer 38

Paracolic gutters

Question 39

What is another name for the lesser sac?

Answer 39

Omental bursa

Question 40

Where does the lesser sac lie?

Answer 40

Posterior to the stomach, lesser omentum, and adjacent structures

Question 41

This is the communication/passageway from the greater sac to the lesser sac

Answer 41

The omental foramen (epiploic foramen, or foramen of winslow)

Question 42

What are the boundaries of the lesser foramen

Answer 42

- Anterior= portal triad (hepatoduodenal ligament) - Posterior= IVC and right crus of the diaphragm - Superiorly= liver - Inferiorly= first part of the duodenum

Question 43

Describe the superior recess of the lesser sac

Answer 43

-Extends superiorly between the liver and the diaphragm

Question 44

Describe the inferior recess

Answer 44

- Open during infancy when the layers have not fused | - Only extends as far as the transverse colon

Question 45

How can the posterior wall of the stomach be accessed

Answer 45

Through the lesser sac