Probe:	Msx1 cDNA22
Probe preparation:	Antisense labelled with fluorescein RNA
Visualized with:	Fluorescence

Structure	Level	Pattern	Image	Note
TS9: primitive streak	Present	Regionally restricted	1G" , 1G	Expressed in the distal end.
TS9: primitive endoderm	Present		1G , 1G"

Structure	Level	Pattern	Image	Note
TS11: allantois	Strong		1H" , 1H
TS11: embryo mesoderm	Strong		1H" , 1H
TS11: amnion mesoderm	Present		1H" , 1H
TS11: chorion mesoderm	Present	Regionally restricted	1H , 1H"	Expressed in some chorionic mesoderm.

Structure	Level	Pattern	Image	Note
TS12: allantois	Strong		1I" , 1I
TS12: embryo mesoderm	Strong		1I" , 1I

Structure	Level	Pattern	Image	Note
TS11: primordial germ cell	Present	Punctate	2E , 2E'	Coexpressed with Ifitm3 in a subpopulation of precursors.
TS11: embryo mesoderm	Present		2E' , 2E	Expression was more concentrated in areas surrounding primordial germ cell precursors.
TS11: primitive endoderm	Present		2E' , 2E	Expression was more concentrated in areas surrounding primordial germ cell precursors.

Structure	Level	Pattern	Image	Note
TS13: hindgut diverticulum endoderm	Present	Regionally restricted	5B	Expressed in visceral mesoderm in direct contact with primordial germ cell-containing hindgut.
TS13: hindgut diverticulum mesenchyme	Strong	Regionally restricted	5B	Expressed most intensely in somatic mesoderm.
TS13: neural tube	Present	Regionally restricted	5B	Expressed in the most dorsal part.

Structure	Level	Pattern	Image	Note
TS17: hindgut mesentery	Present		S3A
TS17: urogenital ridge	Present		S3A

Structure	Level	Pattern	Image	Note
TS20: hindgut mesentery	Present		S3C
TS20: urogenital ridge	Present		S3C