Probe:	HNF3-beta-cDNA1
Probe preparation:	Antisense labelled with S35 RNA
Visualized with:	Autoradiography

Structure	Level	Pattern	Image	Note
TS10: embryo endoderm	Present	Regionally restricted	3B	Expression was detected in embryonic endoderm throughout the posterior of the embryo.
TS10: embryo mesoderm	Present	Regionally restricted	3B	Expression was detected in anterior midline mesoderm.
TS10: extraembryonic endoderm	Present		3B

Structure	Level	Pattern	Image	Note
TS11: embryo endoderm	Present		3E	Anterior endoderm expression was not restricted to the midline but extended laterally on either side.
TS11: embryo ectoderm	Present		3E
TS11: embryo mesoderm	Present		3E

Structure	Level	Pattern	Image	Note
TS13: future midbrain	Present	Regionally restricted	3H	Expression was spread dorsally on either side of the floorplate.
TS13: foregut diverticulum	Present		3H
TS13: midgut	Present		3H
TS13: notochord	Present		3H
TS13: future spinal cord	Present	Regionally restricted	3H	Ventral expression at the posterior end was noted in the spinal cord.

Structure	Level	Pattern	Image	Note
TS15: hepatic primordium	Strong		3K

Structure	Level	Pattern	Image	Note
TS24: gut	Present		3N
TS24: liver	Present		3N
TS24: lung epithelium	Present		3N
TS24: pancreas	Present		3N
TS24: vertebral cartilage condensation	Present		3N
TS24: heart	Absent		3N
TS24: metanephros	Absent		3N

Structure	Level	Pattern	Image	Note
TS14: notochord	Present
TS14: gut	Present	Widespread		Expression was seen throughout the gut.
TS14: neural tube	Present	Regionally restricted		Expression was detected in the ventral part of the neural tube.

Structure	Level	Pattern	Image	Note
TS24: hypothalamus	Present	Regionally restricted		Exression was detected in posterior hypothalamus.