Probe:	Oc2 cDNA
Probe preparation:	Antisense labelled with digoxigenin RNA
Visualized with:	Alkaline phosphatase

Structure	Level	Pattern	Image	Note
TS13: future midbrain	Present	Regionally restricted	2A	Expression is in the rostral half.

Structure	Level	Pattern	Image	Note
TS14: future brain	Present		2B
TS14: foregut	Present	Regionally restricted	2B	Expression is in the foregut-midgut endoderm and in the hepatic and pancreatic buds.
TS14: foregut-midgut junction	Present	Regionally restricted	2B	Expression is in the foregut-midgut endoderm and in the hepatic and pancreatic buds.
TS14: midgut	Present	Regionally restricted	2B	Expression is in the foregut-midgut endoderm and in the hepatic and pancreatic buds.

Structure	Level	Pattern	Image	Note
TS15: central nervous system	Strong		2C
TS15: foregut	Present	Regionally restricted	2C	Expression is in the foregut-midgut endoderm and in the hepatic and pancreatic buds.
TS15: hepatic primordium	Present	Regionally restricted	2C	Expression is in the foregut-midgut endoderm and in the hepatic and pancreatic buds.
TS15: midgut	Present	Regionally restricted	2C	Expression is in the foregut-midgut endoderm and in the hepatic and pancreatic buds.
TS15: pancreas primordium	Present	Regionally restricted	2C	Expression is in the foregut-midgut endoderm and in the hepatic and pancreatic buds.

Structure	Level	Pattern	Image	Note
TS15: future brain	Strong		2D
TS15: neural tube	Strong		2D

Structure	Level	Pattern	Image	Note
TS17: dorsal root ganglion	Present		2E
TS17: neural tube	Present		2E

Structure	Level	Pattern	Image	Note
TS12: embryo	Absent

Structure	Level	Pattern	Image	Note
TS13: foregut diverticulum endoderm	Present		3A	Expression in endoderm includes the hepatic bud.
TS13: midgut endoderm	Present		3A	Expression in endoderm includes the hepatic bud.
TS13: foregut-midgut junction endoderm	Present	Regionally restricted	3A	Expression is in the dorsal and ventral endoderm that give rise to the pancreatic bud.

Structure	Level	Pattern	Image	Note
TS14: foregut-midgut junction	Present	Regionally restricted	3C	Expression is in the hepatic and dorsal and ventral pancreatic buds.
TS14: visceral organ system	Present	Regionally restricted	3C	Expression is in the hepatic and dorsal and ventral pancreatic buds.

Structure	Level	Pattern	Image	Note
TS14: foregut-midgut junction	Present	Regionally restricted	3E	Expression is in the dorsal and ventral pancreatic bud.

Structure	Level	Pattern	Image	Note
TS17: hepatic primordium parenchyma	Present		3G
TS17: pancreas primordium	Present	Regionally restricted	3G	Expression is in the dorsal pancreatic bud.
TS17: foregut	Present	Regionally restricted	3G	Expression is in the duodenum.
TS17: midgut	Present	Regionally restricted	3G	Expression is in the duodenum.
TS17: hindgut	Present	Regionally restricted	3G	Expression is in the colon.

Structure	Level	Pattern	Image	Note
TS20: foregut duodenum	Strong		3H
TS20: midgut derived duodenum	Strong		3H
TS20: pancreas	Weak	Regionally restricted	3H	Expression is in the dorsal pancreas.
TS20: hindgut	Absent		3H	Expression is absent in the colon.

Structure	Level	Pattern	Image	Note
TS20: stomach	Strong			Expression is in the antrum of the stomach.
TS20: liver	Absent