Probe:	Probe 1
Probe preparation:	Antisense labelled with S35 RNA
Visualized with:	Autoradiography

Structure	Level	Pattern	Image	Note
TS11: extraembryonic mesoderm	Weak

Structure	Level	Pattern	Image	Note
TS11: primitive streak	Weak	Regionally restricted	4B/C	Expression was detected at low levels in the posterior part of the primitive streak.

Structure	Level	Pattern	Image	Note
TS10: conceptus	Absent

Structure	Level	Pattern	Image	Note
TS13: extraembryonic mesenchyme	Present	Regionally restricted		Expression was detected in the extraembryonic mesoderm at the base of the allantois.

Structure	Level	Pattern	Image	Note
TS13: lateral plate mesoderm	Present	Regionally restricted	5B	Expression was detected from the posterior end to the approximate level of the hindbrain/spinal cord.

Structure	Level	Pattern	Image	Note
TS13: lateral plate mesoderm	Present		5C/D
TS13: embryo endoderm	Absent		5C/D
TS13: paraxial mesenchyme	Absent		5C/D
TS13: neural ectoderm	Absent		5C/D	Expression was not detected in the neural tube.

Structure	Level	Pattern	Image	Note
TS13: lateral plate mesoderm	Present		5E/F
TS13: future hindbrain	Absent		5E/F
TS13: future prosencephalon	Absent		5E/F
TS13: intermediate mesenchyme	Absent		5E/F
TS13: paraxial mesenchyme	Absent		5E/F

Structure	Level	Pattern	Image	Note
TS13: lateral plate mesoderm	Present		5G/H
TS13: intermediate mesenchyme	Absent		5G/H
TS13: paraxial mesenchyme	Absent		5G/H
TS13: notochord	Absent		5G/H	Expression was not detected in notochordal mesoderm.

Structure	Level	Pattern	Image	Note
TS19: tail mesenchyme	Present		6A/B
TS19: embryo mesenchyme	Present	Regionally restricted	6A/B	Expression is not observed in lateral mesoderm anterior of the tail bud. Transcripts are found in loose mesenchymal cells between the dermatome and the external covering of superficial ectoderm.

Structure	Level	Pattern	Image	Note
TS17: trunk mesenchyme	Present	Regionally restricted	6D/E	Expression is not observed in lateral mesoderm. Transcripts are found in loose mesenchymal cells between the dermatome and the external covering of superficial ectoderm.
TS17: limb	Absent		6D/E
TS17: neural tube	Absent		6D/E

Structure	Level	Pattern	Image	Note
TS17: trunk mesenchyme	Present	Regionally restricted	6G/H	Expression is not observed in lateral mesoderm. Transcripts are found in loose mesenchymal cells between the dermatome and the external covering of superficial ectoderm.
TS17: dermatome	Present	Regionally restricted	6G/H	Expression was detected in medial dermatome and the adjacent neural crest cells.
TS17: mesenchyme derived from neural crest	Present	Regionally restricted	6G/H	Expression was detected in medial dermatome and the adjacent neural crest cells.