Probe:	Drm probe1
Probe preparation:	Antisense labelled with digoxigenin RNA

Structure	Level	Pattern	Image	Note
TS13: trunk unsegmented mesenchyme	Present	Regionally restricted	6A	Expression was confined to a stripe of mesoderm at the lateral edge of the presomitic mesoderm.
TS13: head somite	Present	Regionally restricted	6A	More anteriorly, expression was found in the lateral-most aspects of the developing somites.
TS13: trunk somite	Present	Regionally restricted	6A	More anteriorly, expression was found in the lateral-most aspects of the developing somites.

Structure	Level	Pattern	Image	Note
TS13: future prosencephalon	Present	Regionally restricted	6B	Expression was seen in the anterior ventral forebrain.

Structure	Level	Pattern	Image	Note
TS15: trunk somite	Present	Regionally restricted	6C	Expression was seen in the lateral-most aspects of developing somites.
TS15: trunk dermomyotome	Present	Regionally restricted	6C	An additional domain of expression was seen in the medial aspects of the dermamyotome of maturing anterior somites.
TS15: neural tube roof plate	Present		6C
TS15: forelimb bud mesenchyme	Present	Regionally restricted	6C	Expression was observed in the dorsal and ventral mesenchyme of the emergent limb buds.

Structure	Level	Pattern	Image	Note
TS17: trunk dermomyotome	Present	Regionally restricted	6D	Expression was restricted to the medial and lateral extremes of the dermamyotome, with prominent expression seen in the epithelial balls of the lateral myotome and overlying dermis of the interlimb region.
TS17: limb	Present	Regionally restricted	6D	Expression becomes restricted to a dorsal proximal domain.

Structure	Level	Pattern	Image	Note
TS15: diencephalon roof plate	Present		6E

Structure	Level	Pattern	Image	Note
TS13: trunk unsegmented mesenchyme	Present	Regionally restricted	6F	Expression was confined to a stripe of mesoderm at the lateral edge of the presomitic mesoderm.

Structure	Level	Pattern	Image	Note
TS15: trunk somite	Present	Regionally restricted	6G	Expression was seen in the lateral-most aspects of developing somites.
TS15: trunk dermomyotome	Present	Regionally restricted	6G	An additional domain of expression was seen in the medial aspects of the dermamyotome of maturing anterior somites.
TS15: forelimb bud mesenchyme	Present	Regionally restricted	6G	Expression was observed in the dorsal and ventral mesenchyme of the emergent limb buds.

Structure	Level	Pattern	Image	Note
TS15: future hindbrain	Present	Regionally restricted	6H	Expression was restricted to the roof plate at the midbrain-hindbrain junction area.
TS15: future midbrain roof plate	Present	Regionally restricted	6H	Expression was restricted to the roof plate at the midbrain-hindbrain junction area.

Structure	Level	Pattern	Image	Note
TS17: neural tube	Absent

Structure	Level	Pattern	Image	Note
TS19: outer ear	Present		6I

Structure	Level	Pattern	Image	Note
TS19: limb	Present	Regionally restricted	6J	Expression becomes restricted to the proximal interdigital regions.