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| USMLE Step 1 Forum USMLE Step 1 Discussion Forum: Let's talk about anything related to USMLE Step 1 exam |
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#1
04-08-2012
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Yolk Sac, Chorion, Placenta Confusion!
What exactly is a chorion? what's a placenta?
the umbilical vessels connect the fetus to the yolk sac? is the yolk sac the placenta?
__________________
"inflammable means flammable!? What a country." 
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#2
04-09-2012
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bumpity bump-bump.
__________________
"inflammable means flammable!? What a country."
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#4
04-09-2012
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bahh 1 hour and 3min!?
crap, was hoping for a quick answer lol thanks though
__________________
"inflammable means flammable!? What a country."
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#5
04-09-2012
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That's 1 hr of everything you need to know in embryology. You don't have to watch the whole video. Just play the part you got a problem with
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#6
04-10-2012
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This is how I remember
Chorion(outer layer layer of trophoblast) with decidua(endometrium ) >>> placenta
Part of Yolk sac is internalized by embryo and becomes lined by endoderm to form primitive gut and rest of yolk sac by vitellointestinal duct .. Eventually VI duct n remnants of yolk sac become a part of umbilical cord.
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Dr.NickRiviera (04-10-2012)
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#7
04-10-2012
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Quote:
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There is no shortcut to SUCCESS ,and there is no excuse for FALIURE - by Kabutar111 
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| The above post was thanked by: | ||
Dr.NickRiviera (04-10-2012)
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