(first midterm) Lecture 1 (4.4.16) Flashcards Preview

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Flashcards in (first midterm) Lecture 1 (4.4.16) Deck (26):
1

Gut tube is derived from...

endoderm

2

Dorsal Hollow Nerve Tube is derived from...

ectoderm
*DHNT = spinal cord

3

Notochord is derived from...

mesoderm

4

The fluid-filled space in between the "outer body shell" and the "inner gut tube" is the...

coelom (celom)

5

What is the blood vessel between the spinal chord and the gut tube?

aorta

6

What separates the thorax and the abdomen?

the diaphragm

7

The diaphragm is derived from what?

cervical hypaxial musculature

*remember:
hypaxial = front
epaxial = back

8

The diaphragm is innervated by...

the Right and Left Phrenic Nerve
C3, C4, C5

9

Contents of coelom:

Coelomic fluid
Parietal peritoneum
Visceral peritoneum
Mesentary, dorsal
Mesentary, ventral
Parietal Pleura
Visceral Pleura

10

Homolog of parietal pleura?
Visceral pleura?

Parietal = parietal peritoneum in thorax
Visceral = visceral peritoneum in thorax

11

Foregut...
unpaired abdominal artery:

Celiac artery

12

Foregut...
unpaired hepatic portal vein:

Splenic vein

13

Foregut...
sympathetic nerve:

Greater Splanchnic nerve (T5-9)

14

Foregut...
sympathetic ganglion:

Celiac ganglion

15

Foregut...
parasympathetic nerve:

Vagus (X)

16

Midgut...
unpaired abdominal artery:

Superior mesenteric artery

17

Midgut...
unpaired hepatic portal vein:

Superior mesenteric vein

18

Midgut...
sympathetic nerve:

Lesser Splanchnic nerve (T10-11)

19

Midgut...
parasympathetic nerve:

Vagus (X)

20

Midgut...
sympathetic ganglion:

Superior mesenteric ganglion

21

The liver is made of...

endoderm + mesoderm

22

When the liver moves to the right and the gut tube moves to the left, what happens to the attachments?

They NEVER EVER detach!
They just stretch.

23

The liver, gallbladder, and pancreas are part of what?

The foregut
*same artery, same veins, same nerves

24

Midgut is composed of...

Jejunum and Ileum of small intestine
Appendix
Ascending Colon
Transverse Colon

25

In the region of the midgut, the ventral mesentery is lost because of what?

embryonic herniation

26

Foregut is composed of...

Stomach
Duodenum
Liver
Gall bladder
Pancreas