Probe:

Grhl3 probe5

Structure	Level	Pattern	Image	Note
TS13: embryo	Present	Regionally restricted	3Ai	Expression in posterior part of embryo corresponding to node-streak border.

Structure	Level	Pattern	Image	Note
TS13: surface ectoderm	Present	Regionally restricted	3Ai inset	Expression is evident in surface ectoderm at posterior neuropore closure site.
TS13: embryo ectoderm	Present	Regionally restricted	3Ai inset	Expression in the caudal lateral epiblast.
TS13: neural ectoderm	Present		3Ai inset	Expression in some cells in the neuroepithelium

Structure	Level	Pattern	Image	Note
TS13: surface ectoderm	Present	Regionally restricted	3Ai'	Expression is evident in surface ectoderm on outside of spinal neural folds.

Structure	Level	Pattern	Image	Note
TS15: neural ectoderm	Present	Regionally restricted	3Aii	Expression is detected in the neuroepithelium.

Structure	Level	Pattern	Image	Note
TS15: tail neural plate	Present	Regionally restricted	3Aii'	Expression is detected in neural plate of posterior neuropore.

Structure	Level	Pattern	Image	Note
TS17: central nervous system	Present		3Aiii	Authors report expression in the neuroepithelium.

Structure	Level	Pattern	Image	Note
TS17: hindgut	Present		3Aiii'	Expression is detected in the hindgut endoderm at E10.5.