Peritoneal Cavity

Question 1

what are the 2ndary retroperitoneal organs (4)

Answer 1

1. Duodenum (except for 1st + 4th part)
2. Pancreas
3. ascending colon
4. descending colon

Question 2

What are the 2 cavities of the peritoneal cavity + what is it caused by

Answer 2

Greater sac- contains most gi tract organs
lesser sac (omental bursa)- space behind stomach primarly

-created due to the right of viscera during development

Question 3

Borders of omental bursa (lesser sac)

Answer 3

ant- lesser omentum (portal triad and hepatogastric lig)
Post- pancreas, left kindney/suprarenal gland
inf- transverse colon
left- hilum of spleen
right- omental foramen

Question 4

what does the falciform lig attach to and what is it continous with

Answer 4

Attaches liver (pre much down the mid of the lobes) to ant abdominal wall (+ inf surface of diaphram)
-continous with r + l coronary lig

Question 5

what is the round lig of the liver a reminent of

Answer 5

reminent of umbilical vein

Question 6

what is the suprahepatic recess

Answer 6

space above liver and under diaphram

Question 7

what does the messentery suspend in space

Answer 7

broad fan of peritoneum that suspends jejunum and ilium to post abdominal wall

Question 8

what does the R+ L coronary lig attach to

Answer 8

Attaches to R+ L triangular ligs (left important to anchor left lobe to diaphram)

Question 9

what does the lesser omentum connect

Answer 9

extends from lesser curvature of the stomach to visveral surface of liver

Question 10

What are the 2 parts of the lesser omentum

Answer 10

1. Hepatogastric lig- connects stomach to liv

2. hepatoduodenal lig- connects duodenim to hilum of liver (has portal triad inside)

Question 11

what does the greater omentum hang from and what are the 3 parts

Answer 11

• hangs from greater omentum of stomach
  1. Gastrocolic lig- bw greater curv and transverse colon
  2. Gastrosplenic lig- creater curvature to hilum of sleen
  3. Omental apron- hangs from transverse colon

Question 12

what deos the transverse colon seperate

Answer 12

seperates supracolic and infracolic compartments

Question 13

what does the phrenicoloc lig anchor

Answer 13

anchors the left colic flexure to the diaphram

-helps to support spleen

Question 14

What is the contents of the supracolic compartment (3)

Answer 14

liver
stomach
spleen

Question 15

what is contents of infracolic compartment (3)

Answer 15

jejunum
ilium
sigmoid colon

Question 16

what is the communication of the supra and infra colic compartments

Answer 16

only thru thr right colic flexure via r paracolic gutter

Question 17

what is the lowest recess in peritoneal sac in males and females

Answer 17

males–> rectovesical pouch

females–> rectouterine pouch

Question 18

what is the superior + inf recess

Answer 18

sup-part of the lesser sac that feeds behind the liver

inf- in greater sac in infants (closed in adults)

Question 19

what is peritonitis and symptoms

Answer 19

inflamation of peritoneum

• lesions that cause chronic pain
• reflex spasm of ant abdominal wall
• breathing rapid+ shallow

Question 20

What is ascites

Answer 20

Accumulation of serous fluid in peritoneal cavity due to liver damage (ex. cirrhosis)

Question 21

What is a paracentesis

Answer 21

Surgical puncture of ant abdominal wall and paretal peritoneum for drainage of fluid