DrVirgo
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28. The drawing is of a cross section through the trunk of a human embryo at 5 weeks' gestation. Which labeled structure contains muscle precursor cells derived from the somites?
A)
B)
C)
D)
E)
F)
G)
H)
I)
Attached Files:
5WeekEmbryo.JPG (12 KB, 220 downloads)
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| yasmeen
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F
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| robin082006
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Can someone label all letters in the pix?
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| DrVirgo
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A- Vertebral Arch
B- Neural Tube
C- Notocord
D- (Gut tube)? ---not sure
(All others, not sure)
Anyone know?
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| DrVirgo
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What is F???
E, F, G, H, I??? What are they???
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| rman
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Seriously...This isn't in HY Embryo....
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| zeke
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i'm pretty sure it is H
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| Cedrick
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It is mesoderm
but dont know
which choice
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| Cedrick
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So
it is between I and E
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| DrVirgo
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OK, G looks like Muscle, H looks like Bone, and I looks like fat/Subcut. tissue.
(I assume those things that G, H, and I are in are limb buds.)
They are asking: Which labeled structure contains muscle precursor cells derived from the somites?
So I guess the answer is G.
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| DrVirgo
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let me know if that makes sense. 
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| docarchana
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I guess its H..
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| Sayulita
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Sweet
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| lq2006
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H
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| Jackofknives
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Answer is H
A = arcus vertebrae
B = neurotube
C = corpus vertebrae
D = notocord
E = dorsal mesentery
F = inner wall of the gut, i.e. endoderm
I = dermatome (from somatic mesoderm)
H = myotome (migration from somites)
G = bones of the extremity (somatic mesoderm)
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| hanwin
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Good job.U are great.
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