Probe:	miR-17-5p probe
Probe preparation:	Antisense
Visualized with:	Fluorescein
Assay notes:	These data are summarized in Table 1.

Structure	Level	Pattern	Image	Note
TS5: inner cell mass	Weak		2A miR-17-5p
TS5: embryo	Weak	Regionally restricted	2A miR-17-5p	There is weak expression in the presumptive primitive endoderm.
TS5: trophectoderm	Moderate		2A miR-17-5p

Structure	Level	Pattern	Image	Note
TS7: epiblast	Weak		3A	There is weak expression in the primitive ectoderm.
TS7: extraembryonic ectoderm	Very strong		3A
TS7: primitive endoderm	Very strong	Regionally restricted	3A	There is very strong expression in the visceral endoderm.

Structure	Level	Pattern	Image	Note
TS9: primitive streak	Absent		4A right , 4A left
TS9: embryo ectoderm	Strong	Regionally restricted	4A left , 4A right	Expression is restricted to cells at least one cell layer removed from the posterior end of the primitive streak.
TS9: embryo mesoderm	Strong		4A right , 4A left
TS9: primitive endoderm	Strong	Regionally restricted	4A left , 4A right	There is strong expression in the visceral endoderm.