When does limb rotation occur?
During week 7
What is the composition of the initial limb bud?
undifferentiated mesenchyme and apical ectodermal ridge (AER)
What is meromelia?
absent or incomplete morphogenesis of a limb bud
What is syndactyly?
failure of interdigital death
What is is called when there is a failure of development of one or more digital rays?
cleft foot
What is polydactyly?
defect in the mesoderm; more than 5 toes