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Bio 224 > (first midterm) Lecture 1 (4.4.16) > Flashcards

(first midterm) Lecture 1 (4.4.16) Flashcards

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Biology 101 flashcards
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:

A

Vagus (X)

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
Q

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

A

embryonic herniation

26
Q

Foregut is composed of…

A 
Stomach
Duodenum
Liver
Gall bladder
Pancreas

Bio 224 (31 decks)

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