E13	embryonic day 13
E18	embryonic day 18
E28	embryonic day 28
DEGs	differentially expressed genes
H&E	Hematoxylin and Eosin
RPKM	reads per kb per million reads
RNA-Seq	RNA-Sequencing
FDR	False Discovery Rate
WNT3A	Wnt family member 3A
IGFBP3	insulin-like growth factor binding protein 3
BMP7	bone morphogenetic protein 7
SFRP2	secreted-frizzled related protein 2
ILs	interleukins
IL-20-RI	Interleukin-20-receptor I complex
IL6R	Interleukin-6 receptor
IL-1R1	Interleukin-1 type I receptor
DBI	diazepam binding inhibitor