Embryology Flashcards
1
Q
When does limb rotation occur?
A
During week 7
1
Q
What is the composition of the initial limb bud?
A
undifferentiated mesenchyme and apical ectodermal ridge (AER)
2
Q
What is meromelia?
A
absent or incomplete morphogenesis of a limb bud
3
Q
What is syndactyly?
A
failure of interdigital death
4
Q
What is is called when there is a failure of development of one or more digital rays?
A
cleft foot
5
Q
What is polydactyly?
A
defect in the mesoderm; more than 5 toes
6
Q
A
