TYPES OF ERRORS IN MORPHOGENESIS

Question 1

absent organ due to absent primordial tissue

Answer 1

agenesis

Question 2

absent organ despite presence of primordial tissue

Answer 2

aplasia

Question 3

incomplete organ development, primordial tissue present

Answer 3

hypoplasia

Question 4

2 degree breakdown of previously normal tissue or structure

Answer 4

disruption

Question 5

extrinsic disruption occurs after embryonic period

Answer 5

deformation

Question 6

intrinsic disruption; occurs during embryonic period (3-8)

Answer 6

malformation

Question 7

abnormalities result from a single embryologic event

Answer 7

sequence