fetal development matching

Question 1

3 stages

Answer 1

germinal stage, embryonic stage, fetal stage

Question 2

germinal stage

Answer 2

fertilization

Question 3

embryonic stage

Answer 3

2nd to 8th week; includes implantation neutral groove (future spinal cord) forms with a brain bulge at one end

Question 4

fetal stage

Answer 4

all development after week 8

Question 5

endoderm (8)

Answer 5

a tube lined with mucous membranes which develops into bladder, colon, intestines, liver, lungs, pancreas, stomach, thyroid

Question 6

mesoderm (6)

Answer 6

cells which begin differentiation and develop into muscle, bone, cartilage, connective tissue, circulatory and lymphatic systems

Question 7

ectoderm (3)

Answer 7

• develops into skin, hair, nails, eye lens, cornea and tooth enamel
• neural crest develops into peripheral nervous system
• neural tube develops into: brain, spinal cord, motor neurons and retina