(first midterm) Lecture 1 (4.4.16) Flashcards
Gut tube is derived from…
endoderm
Dorsal Hollow Nerve Tube is derived from…
ectoderm
*DHNT = spinal cord
Notochord is derived from…
mesoderm
The fluid-filled space in between the “outer body shell” and the “inner gut tube” is the…
coelom (celom)
What is the blood vessel between the spinal chord and the gut tube?
aorta
What separates the thorax and the abdomen?
the diaphragm
The diaphragm is derived from what?
cervical hypaxial musculature
*remember:
hypaxial = front
epaxial = back
The diaphragm is innervated by…
the Right and Left Phrenic Nerve
C3, C4, C5
Contents of coelom:
Coelomic fluid Parietal peritoneum Visceral peritoneum Mesentary, dorsal Mesentary, ventral Parietal Pleura Visceral Pleura
Homolog of parietal pleura?
Visceral pleura?
Parietal = parietal peritoneum in thorax Visceral = visceral peritoneum in thorax
Foregut…
unpaired abdominal artery:
Celiac artery
Foregut…
unpaired hepatic portal vein:
Splenic vein
Foregut…
sympathetic nerve:
Greater Splanchnic nerve (T5-9)
Foregut…
sympathetic ganglion:
Celiac ganglion
Foregut…
parasympathetic nerve:
Vagus (X)
Midgut…
unpaired abdominal artery:
Superior mesenteric artery
Midgut…
unpaired hepatic portal vein:
Superior mesenteric vein
Midgut…
sympathetic nerve:
Lesser Splanchnic nerve (T10-11)
Midgut…
parasympathetic nerve:
Vagus (X)
Midgut…
sympathetic ganglion:
Superior mesenteric ganglion
The liver is made of…
endoderm + mesoderm
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.
The liver, gallbladder, and pancreas are part of what?
The foregut
*same artery, same veins, same nerves
Midgut is composed of…
Jejunum and Ileum of small intestine
Appendix
Ascending Colon
Transverse Colon
In the region of the midgut, the ventral mesentery is lost because of what?
embryonic herniation
Foregut is composed of…
Stomach Duodenum Liver Gall bladder Pancreas
