Probe:	pIrx3a
Probe preparation:	Antisense labelled with digoxigenin RNA
Assay notes:	Authors described two probes and said that similar expression patterns were detected with each; it is possible MGI:2677429 was used to generate some or all of these data.

Structure	Level	Pattern	Image	Note
TS15: future midbrain	Present	Regionally restricted	2B	Expression is throughout the dorsolateral region. Absent at the mid/hindbrain boundary.
TS15: future hindbrain	Present	Regionally restricted	2B	Expression is in the ventrolateral region of the metencephalon, absent at the mid/hindbrain boundary.
TS15: neural tube lateral wall	Present	Regionally restricted	2B	Expression is in the ventricular layer.
TS15: forelimb bud	Present		2B
TS15: hindlimb ridge	Present		2B

Structure	Level	Pattern	Image	Note
TS17: neural tube lateral wall	Present	Regionally restricted	2G	Expression is in the ventricular layer.
TS17: forelimb bud	Present		2G
TS17: primitive ventricle	Present		2G
TS17: branchial arch	Present		2G
TS17: foregut	Present		2G

Structure	Level	Pattern	Image	Note
TS21: neural retinal epithelium	Present		4G

Structure	Level	Pattern	Image	Note
TS24: neural retina	Present		4H

Structure	Level	Pattern	Image	Note
TS22: nasal cavity respiratory epithelium	Present		5D
TS22: olfactory epithelium	Absent		5D