regional anatomy 2

Question 1

gut tube is derived from

Answer 1

splanchnopleure

Question 2

epithelium of gut tube derived from

Answer 2

endoderm

Question 3

connective tissue of gut tube derived from

Answer 3

lateral plate mesoderm

Question 4

foregut

Answer 4

○ Oesophagus -> 1/2 duodenum

Question 5

midgut

Answer 5

○ 1/2 duodenum -> 2/3 transverse colon

Question 6

• Hindgut

Answer 6

○ 2/3 transverse colon -> rectum

Question 7

Whole gut tube connected to

Answer 7

posterior body wall

Question 8

Whole gut tube connected to posterior body wall via

Answer 8

dorsal mesentery

Question 9

artery supplying foregut

Answer 9

celiac trunk

Question 10

artery supplying midgut

Answer 10

superior mesenteric artery

Question 11

artery supplying handgun

Answer 11

inferior mesenteric artery

Question 12

foregut organs

Answer 12

stomach, liver, gallbladder, pancreas, spleen, 1st half of duodenum

Question 13

midgut organs

Answer 13

2nd half of duodenum 
jejunum and ileum 
cecum 
ascending colon 
2/3 of transverse colon

Question 14

hindgut organs

Answer 14

left half of transverse colon
descending colon
sigmoid colon
rectum

Question 15

top right

Answer 15

right hypochondria

Question 16

top middle

Answer 16

epigastric

Question 17

top left

Answer 17

left hypochondria

Question 18

right middle

Answer 18

right lumbar

Question 19

centre

Answer 19

umbilical

Question 20

left middle

Answer 20

left lumbar

Question 21

bottom right

Answer 21

right inguinal

Question 22

bottom middle

Answer 22

hypogastric

Question 23

bottom left

Answer 23

left inguinal

Question 24

○ Visceral peritoneum

Answer 24

§ Covers organs derived from splanchnopleure

Question 25

○ Parietal peritoneum

Answer 25

§ Covers the body wall derived from somatopleure

Question 26

mesentery

Answer 26

○ Peritoneal reflections | ○ A piece of tissue that suspends a structure, while holding important vessels within it

Question 27

ventral mesentery

Answer 27

○ Foregut is the only sections with ventral mesentery

Question 28

○ Mesentery AKAs

Answer 28

``` § Ligaments § Omenta § Peritoneum § Mesogastriums § Mesocolons § Mesentery proper ```

Question 29

Foregut

Answer 29

- Anterior body wall connected to posterior - only occurs in the foregut

Question 30

- Ventral Mesogastrium

Answer 30

○ mesentery in front of the gastrium

Question 31

- Dorsal mesogastrium

Answer 31

○ Everything connecting behind the stomach to the body wall

Question 32

- 4 anatomical lobes of the liver

Answer 32

○ Left, right, caudate and quadrate

Question 33

left and right separated by

Answer 33

falciform ligament

Question 34

how the stomach allows for expansion

Answer 34

mucosal layer folds in rugae

Question 35

○ 3 smooth muscle layers in the externa

Answer 35

1. Longitudinal 2. Transverse 3. Oblique

Question 36

2 curvatures of the stomach

Answer 36

greater and lesser

Question 37

3 sphincters of the stomach

Answer 37

1. Cardiac: mouth end, fibrous, assisted by diaphragm | 2. Pyloric: intestinal end, think smooth muscle

Question 38

3 segments of the small intestine

Answer 38

duodenum jejunum ileum

Question 39

stomach empties into

Answer 39

duodenum

Question 40

duodenum stuck to

Answer 40

posterior body wall

Question 41

ileum joins colon at

Answer 41

ileo-caecal junction

Question 42

Large intestine

Answer 42

- Diameter is large, length is shorter than small intestine | - Starts at ileocecal junction

Question 43

Caecum

Answer 43

sac like component of the asceding colon

Question 44

segments of the large intestine

Answer 44

ascending, transverse, descending, sigmoid

Question 45

sacculations

Answer 45

Haustra | help move things long

Question 46

taenia coli

Answer 46

3 stripes of longitudinal smooth muscle

Question 47

3 paired glands

Answer 47

suprarenal glands kidneys gonads

Question 48

suprarenal glands

Answer 48

adrenals | lateral plate mesoderm and neural crest cells

Question 49

kidneys

Answer 49

develop in the pelvis and migrate up

Question 50

gonads

Answer 50

testes/ovaries - Develop in the upper abdomen migrate down - Includes accessory reproductive glands - Intermediate mesoderm