The abdomen Flashcards
What is the largest body cavity?
Abdomen
2 parts of the abdominal cavity
Abdomen proper
Pelvis
What occupies the right hypochondriac region?
Most of right lobe of the liver
Hepatic flexure of the colon
Part of the right kidney
What occupies the left hypochondriac region?
Small part of left lobe of the liver
Funds of the stomach
Spleen
Tail of pancreas
Splenic flexure of the colom
Part of the left kidney
What occupies the epigastric region?
Most of the stomach
Left lobe of liver
part of right lobe of the liver
Gallbladder
Duodenum
Adrenals
Parts of both kidneys
What occupies the right lumbar region?
Ascending colon
Part of the right kidney
Small intestine
Part of greater momentum and mesentery
Transverse duodenum
Parts of both kidneys
Ureters originate from hilum
What occupies the left lumbar region?
Descending colon
Omentum
Part of left kidney
Small intestine
What occupies the right inguinal region?
Cecum
Vermiform appendix
What occupies the hypogastric region?
Small intestine
Bladder (in children)
Uterus (during pregnancy)
What occupies the left inguinal region?
Sigmoid flexure of colon
3 parts of the primitive GI tube
Foregut
Midgut
Hindgut
Name of the part of the peritoneum that covers the wall of the abdomen
Parietal peritoneum
Name of the part of the peritoneum that covers the organs in the abdominopelvic cavity
Visceral peritoneum
Which peritoneum is thicker?
The parietal
Where is the retroperitoneal space?
Between the posterior parietal peritoneum and the posterior wall of the abdominal cavity
Where is the extraperitoneal pelvic space?
Below the parietal peritoneum and above the pelvic diaphragm or floor
Name for the posterior part of the peritoneal cavity
Visceral cavity
Name for the anterior part of the peritoneal cavity
Previsceral cavity
Is the visceral and parietal peritoneum continuous with one and another?
Yes
How much are the retroperitoneum covered with the peritoneum?
Only partially
How much are the intraperitoneum covered with the peritoneum?
Fully
How much are the subperitoneum covered with the peritoneum?
Only partially
Does the peritoneal cavity have organs?
NO, only fluid
Different name for lesser sac
Omental bursa
What does the foregut consist of?
Oesophagus
Stomach
Primal end of duodenum
Pancreas
Spleen
Liver
Gallbladder
Where does the midgut extend from and to?
Distal portion of duodenum to the last 1/3 of the transverse colon
Where does the hindgut extend from and to?
Distal 1/3 of the transverse colon to anal canal
Where is the subcostal line?
10th rib
Where does the transtuberecular planes go?
Superior iliac spine
Where does the muscular of the stomach and intestine derive from?
The mesoderm
Where does the lining of the body cavity (peritoneum) derive from?
The mesoderm
Where does the liver, pancreas and thymus derive from?
Endoderm
Artery that derives from the foregut
Celiac
Artery that derives from the midgut
Superior mesenteric
Artery that derives from the hindgut
Inferior mesenteric
What derives from the foregut?
Oesophagus
Stomach
Duodenum (1st and 2nd part)
Liver
Pancreas
Biliary apparatus
Gallbladder
What derives from the midgut?
Duodenum (2nd, 3rd and 4th part)
Jejunum
Ileum
Cecum
Appendix
Ascending colon
Transverse colon (proximal 2/3rds)
What derives from the hindgut?
Transverse colon (distal third)
Descending colon
Sigmoid colon
Rectum
Anal canal (above pectinate line)
Where is the peritoneum open in females?
The lateral ends of the uterine tubes
What does the peritoneum consist of?
Single layer of flat mesothelial cells lying on a layer of loose connective tissue
What is an omentum?
Double layer of peritoneum that connects the stomach and duodenum to other organs
What does the lesser omentum connect?
Lesser curvature of the stomach and duodenum to the liver
What does the greater omentum connect?
Greater curvature of the stomach to the transverse colon
Intraperitoneal organs of the abdominal peritoneal
Stomach
Small intestine
Spleen
Liver
Gallbladder
Cecum and appendix
Large intestine
Intraperitoneal organs of the pelvic peritoneal
Uterus
Ovaries
Do any of the extraperitoneal organs have mesentery?
No
Primary retroperitoneal extraperitoneal organs
Kidneys and ureters
Suprarenal glands
Uterine cervix
Secondary retroperitoneal extraperitoneal organs
Duodenum
Pancreas
Ascending and defending colon
Cecum
Rectum
Infraperitoneal/subperitoneal extraperitoneal organs
Urinary bladder
Distal ureters
Prostate
Seminal glands
Uterine cervix
Vagina
Rectum
Does the peritoneal cavity ever contain gas in normal circumstances?
No
