58. Peritoneum - parietal, visceral, peritoneal cavity, omen bursa

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Which organs are preperitoneal?

*Filled* urinary bladder

What is the omenta bursa (lesser sac)?

A narrow cavity between the stomach and below liver

What is the peritoneal cavity?

A small space between the organs in abdominal and pelvic cavity

What do the root of mesentery cross and what does it contain?

Abdominal aorta IVC Right ureter Contains: Vessels for ileum and jejenum

What is the definition of intraperitoneal organs?

Abdominal organs that are *completely* attached by peritoneum and are attached to wall by *peritoneal duplication*

What are some intraperitoneal organs?

Abdominal part of oesophagus Stomach Jejenum Ileum Transverse colon Sigmoid colon Ceacum Appendic Liver Spleen Uterus Uterine tubes *all of the other abdominal organs that are not in the mnemonic of SAD PUCKER*

How can the visceral glide so easily to the abdominal wall?

Because of the free surface of peritoneum has a serous fluid that allow for easy gliding

What is inside peritoneal duplication?

Blood vessels

What do root of transverse mesocolon cross and what does it contain?

Descending part of duodenum Pancreas Contains: middle colic as. and vs.

Where do the omenta bursa extend?

From epiploic foramen (a whole in hepatoduodenal lig.) to hilum of spleen

What is the upper part of greater omentum called?

Gastrocolic lig. that is in-between stomach and transverse colon

Which ligaments do we have in lesser omentum?

Hepatoduodenal lig. Hepatogastric lig. Hepatooesophageal lig.

What is really cool about the greater omentum?

In workes as a jail for the bad organs. When an organ is infected the greater omentum wraps around the organ to protect the other healthy organs to get infected.

How do the greater omentum go?

It goes from greater curvature of stomach and descends over the intestines and separates them from anterior abdominal wall

What is special about the falciform lig. of liver?

It is a peritoneal fold that extends from umbilicus to liver and contains round lig. of liver. It continuous at the diaphragmatic surface of liver into coronary lips. that attaches the liver to the diaphragm

What is peritoneum and what does it cover?

It is a thin serous membrane Covers: Wall of abdominal and pelvic cavities (parietal peritoneum) Organs (visceral peritoneum) Pertoneal attachment which is a double layered fold (peritoneal duplication)

What do root of sigmoid mesocolon cross and what does it contain?

Left iliac vessels Left gonadal vessels Left ureter Contains: sigmoid and superior rectal vessels

Which organs are subperitoneal?

Male: Empty urinary bladder Urethra Seminal vesicles Prostate Female: Empty urinary bladder Urethra Main parts of vagina

Which folds do we have of parietal peritoneum in abdominal wall and what are they caused by?

Middle umbilical fold: by middle umbilical lig. Medial umbilical fold: elevated by medial umbilical lig. Lateral umbilical fold: elevated by inferior epigastric vessels

Does peritoneal cavity contain gas?

NO, not under normal conditions

Which pouch do we have in male?

Rectrovesical pouch that are between urinary bladder and rectum

What is the parietal peritoneum interrupted by in the posterior abdominal wall?

Root of mesentery Root of transverse mesocolon Root of sigmoid mesocolon

Which organs are retroperitoneal?

S: suprarenal (adrenal) gland A: abdominal aorta/IVC D: duodenum (second and third part) P: pancreas (except tail) U: ureters C: colon (ascending and descending) K: kidneys E: (o)esophagus (in compendium it is intraperitoneal) R: rectum

What are the borders of epiploic foramen?

Sup: liver Inf: duodenum Ant: hepatoduodenal lig. Post: IVC

What are the borders of omenta bursa?

Sup: liver + diaphragm Inf: transverse colon and mesocolon Ant: lesser omentum, stomach, gastrocolic lig. Post: pancreas, duodenum, left kidney and left suprarenal gland

What do root of transverse mesocolon divide the peritoneal cavity into?

Supramesocolic part: organs supplied by celiac trunk Inframesocolic part: organs supplies by sup. and inf. mesenteric as.

What is the greater sac?

The rest of the peritoneal cavity

What are the definition of retroperitoneal organs?

They are attached to the walls, but are only *partly* covered by peritoneum

What are the definition of a preperitoneal organ?

They are placed behind anterior abdominal wall and pelvic wall and in front of parietal peritoneum

What are the definition of subperitoneal organs?

They are placed in lesser pelvic below peritoneum

Where are the retroperitoneal organs attached?

To the posterior abdominal wall or pelvic wall

What do the parietal peritoneum cover in male?

Upper part of urinary bladder and upper part of seminal vesicles

What do the parietal peritoneum cover in female?

Upper part of urinary bladder, upper part of uterus and uppermost and posterior part of vagina

What pouch do we have in female

Vesicouterine pouch between urinary bladder and uterus Rectouterine puce between uterus and rectum


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