Limb Development

Question 1

Stage of chondrogenesis where mesenchyme aggregates

Answer 1

Condensation

Question 2

Stage of chondrogenesis where aggregation is restricted by perichondrium

Answer 2

Elongation

Question 3

Stage of chondrogenesis where the primary axis branches and caudal branch divided even further

Answer 3

Branching

Question 4

Region on caudal margin of bud that establishes morphogen gradient

Answer 4

Zone of polarizing activity (ZPA)

Question 5

Area at tip of limb bud for proliferation of mesenchyme

Answer 5

Apical Ectodermal Ridge (AER)

Question 6

Digital arch homologous to

Answer 6

Tissue at tip of developing fin bud