topic 35

Question 1

3 parts of small int

Answer 1

duodenum
jejunum
ileum

Question 2

duodenum features

Answer 2

pyloris-jejunum

- flexura duodenalis cranialis->desc->flex duo caud->tr->asc

Question 3

plica of duodenum, btw which parts

Answer 3

plica duodenocolica

btw ascending duodenum and descending colon

Question 4

mesoduodenum enclose and where

Answer 4

o Originates from the dorsal abdominal wall

o Encloses right lobe of the pancreas

Question 5

papilla of duodenum

Answer 5

Major duodenal papilla: bile duct and pancreatic duct

Minor duodenal papilla: accessory pancreatic duct

Question 6

two lobes of pancreas, where

Answer 6

Left lobe: in bursa omentalis (only organ in there)
Left + right pole
o Right lobe: in mesoduodenum
Cranial + caudal pole

Question 7

jejunum; Suspended by

Answer 7

mesojejunoileum
o From the dorsal abodominal wall
o At the ilioceacal junction -> continues with the descending mesocolon

Question 8

a. antimes marks what
fold
ostium?

Answer 8

A. antimesenterica marks its position/length

• Joins the ascending colon at the ileocolic ostium
• Plica ileocaecale  fold between the ileum and the caecum

Question 9

3 pats of large intestine

Answer 9

Caecum

• Colon
• Rectum

Question 10

ceacum

Answer 10

plica ileocaecale
plica caecocolica
- Communicates with the ascending colon at the (ostium caecocolicum)

Question 11

colon

Answer 11

Colon asc. -> flexura coli dextra -> colon transversus -> flexura coli sinistra -> colon desc.(plica duodenocolica)

Question 12

rectum location

Answer 12

begins at level of L7
Enters pelvic cavity ventral to the sacrum
o attached to this by the mesorectum
Widens slightly in the retroperitoneal part of the pelvic cavity toform Ampulla recti
- Continues by short anal canal

Question 13

meso… originates where

Answer 13

dorsal abd wall