BIOL 2255 Unit 4 Exam - Anatomy Questions and Answers
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1. What is the peritoneum? serous membrane lining the abdominal cavity
2. What are its 2 layers? parietal lines body wall; visceral lines organs
3. Where can you find the Lining organs
visceral peritoneum?
4. What is the peritoneal cavity? Potential space between parietal and visceral peritoneum
5. What are mesenteries? Extensions of parietal or visceral peritoneum folded over.
Support and stabilize organs, holds organs to each other or to
6. What are its 2 functions? abd wall, provide passageway for vessels & NN between layers,
allow movement for digestion.
7. What is the greater omentum? Hangs from stomach/duodenum to trans colon/post body wall
From top of stomach (less curve) to liver; where celiac trunk AA
8. What is the lesser omentum?
lie
9. What are the 2 parts of the Gastrohepatic and hepatoduodenal lig (ligs here are more like
lesser omentum? peritoneum)
10.What is the mesentery Mesentery of small intestine; attaches small intestine to post abd
proper? wall
Mesentery of colon (large intestine); anchors colon to posterior
11. What is the mesocolon?
body wall
12.What are the peritoneal Folds of peritoneum that connect organ w/ another or abd wall
ligaments?
13.What is the coronary Visceral peritoneum that attaches liver to diaphragm
ligament?
14.What is the falciform Attaches liver to ant abd wall; divides R&L lobes of liver
ligament?
14-5. What is the ligamentum Round lig of liver (NB-adult) or umbilical V (fetus)
trees?
15.What is the gastrophrenic Connects stomach to diaphragm
ligament?
16.What is the gastrosplenic Connects stomach to spleen; helps make greater omentum
ligament?
17.What is the gastrocolic the greater omentum
ligament?
17-5. What is special about the There is no mesentery here, only tissue against diaphragm
bare area?
reflection of peritoneum raised from body wall by underlying
18.What are peritoneal folds?
vessels, ducts, etc. (like rug over extension cord)
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