MSK system Exam questions and answers
MSK system Exam questions and answers "What mesodermal division gives rise to somites?" - "At what week do somites begin to form?" - "Paraxial mesoderm." "Week 3." "Approximately how many somite pairs form initially?" - "In what direction does somite formation progress?" - "42-44 pairs." "Craniocaudal direction." "Into what three regions do somites differentiate?" - "What molecule induces sclerotome differentiation?" - "What molecule promotes myotome differentiation?" - "What molecule induces dermatome formation?" - "Sclerotome, myotome, and dermatome." "Sonic Hedgehog (SHH)." "Wnt from the dorsal neural tube."
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