1 and 2

3 and 4

5 and 6

7 and 8

9 and 10

11 and 12

13 and 14

15 and 16

A

Positive Control

Negative Control

Adult bladder

Fetal bladder

Adult brain

Fetal brain

Adult cerebellum

Fetal cerebellum

B

Adult colon

Fetal colon

Adult heart

Fetal heart

Adult kidney

Fetal kidney

Adult liver

Fetal liver

C

Adult lung

Fetal lung

Adult skin

Fetal skin

Adult skeletal muscle

Fetal skeletal muscle

Adult small intestine

Fetal small intestine

D

Adult spleen

Fetal spleen

Adult stomach

Fetal stomach

Adult thymus

Fetal thymus

Adult tongue

Fetal tongue