(first midterm) Lecture 1 (4.4.16) Flashcards

(26 cards)

1
Q

Gut tube is derived from…

A

endoderm

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2
Q

Dorsal Hollow Nerve Tube is derived from…

A

ectoderm

*DHNT = spinal cord

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3
Q

Notochord is derived from…

A

mesoderm

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4
Q

The fluid-filled space in between the “outer body shell” and the “inner gut tube” is the…

A

coelom (celom)

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5
Q

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

A

aorta

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6
Q

What separates the thorax and the abdomen?

A

the diaphragm

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7
Q

The diaphragm is derived from what?

A

cervical hypaxial musculature

*remember:
hypaxial = front
epaxial = back

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8
Q

The diaphragm is innervated by…

A

the Right and Left Phrenic Nerve

C3, C4, C5

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9
Q

Contents of coelom:

A
Coelomic fluid
Parietal peritoneum
Visceral peritoneum
Mesentary, dorsal
Mesentary, ventral
Parietal Pleura
Visceral Pleura
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10
Q

Homolog of parietal pleura?

Visceral pleura?

A
Parietal = parietal peritoneum in thorax
Visceral = visceral peritoneum in thorax
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11
Q

Foregut…

unpaired abdominal artery:

A

Celiac artery

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12
Q

Foregut…

unpaired hepatic portal vein:

A

Splenic vein

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13
Q

Foregut…

sympathetic nerve:

A

Greater Splanchnic nerve (T5-9)

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14
Q

Foregut…

sympathetic ganglion:

A

Celiac ganglion

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15
Q

Foregut…

parasympathetic nerve:

A

Vagus (X)

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16
Q

Midgut…

unpaired abdominal artery:

A

Superior mesenteric artery

17
Q

Midgut…

unpaired hepatic portal vein:

A

Superior mesenteric vein

18
Q

Midgut…

sympathetic nerve:

A

Lesser Splanchnic nerve (T10-11)

19
Q

Midgut…

parasympathetic nerve:

20
Q

Midgut…

sympathetic ganglion:

A

Superior mesenteric ganglion

21
Q

The liver is made of…

A

endoderm + mesoderm

22
Q

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

A

They NEVER EVER detach!

They just stretch.

23
Q

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

A

The foregut

*same artery, same veins, same nerves

24
Q

Midgut is composed of…

A

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 ```