Probe:	M33 cDNA1
Probe preparation:	Antisense labelled with digoxigenin RNA
Visualized with:	Alkaline phosphatase

Structure	Level	Pattern	Image	Note
TS15: embryo	Present	Widespread	5D	Expression was detected in most embryonic tissues with the main exception of the heart.
TS15: heart	Absent		5D
TS15: central nervous system	Present	Widespread	5D
TS15: branchial arch	Strong		5D
TS15: limb	Strong		5D
TS15: optic vesicle	Strong		5D

Structure	Level	Pattern	Image	Note
TS19: embryo	Present	Regionally restricted	5E	Expression was detected in most embryonic tissues with the main exception of the heart.
TS19: heart	Absent		5E
TS19: central nervous system	Present	Widespread	5E
TS19: branchial arch	Strong		5E
TS19: eye	Strong		5E
TS19: limb	Strong		5E

Structure	Level	Pattern	Image	Note
TS21: spinal ganglion	Present		5F
TS21: trigeminal ganglion	Present		5F
TS21: ventricular layer	Present		5F
TS21: intestine	Present		5F
TS21: lung	Present		5F
TS21: metanephros	Present		5F
TS21: olfactory epithelium	Present		5F
TS21: tongue epithelium	Present		5F
TS21: genitourinary system	Present		5F

Structure	Level	Pattern	Image	Note
TS23: central nervous system	Present
TS23: olfactory epithelium	Present
TS23: thymus primordium	Present
TS23: tongue epithelium	Present
TS23: tooth epithelium	Present