Probe:	Atoh2 probe1
Probe preparation:	Antisense labelled with digoxigenin RNA

Structure	Level	Pattern	Image	Note
TS19: brain	Strong		5A	Prominent expression in the brain vesicles.

Structure	Level	Pattern	Image	Note
TS19: future spinal cord	Strong		5B

Structure	Level	Pattern	Image	Note
TS19: brain	Strong		5C

Structure	Level	Pattern	Image	Note
TS21: brain	Present	Regionally restricted	5E	Expression in wall of brain vesicles and spinal cord.
TS21: spinal cord	Present	Regionally restricted	5E	Expression in wall of brain vesicles and spinal cord.
TS21: telencephalon	Strong	Regionally restricted	5E	Highest level of expression in telencephalic wall.

Structure	Level	Pattern	Image	Note
TS23: telencephalon	Strong		5H
TS23: nervous system	Present	Regionally restricted	5H	Lower levels of expression in other part of the nervous system.
TS23: dorsal root ganglion	Weak		5H

Structure	Level	Pattern	Image	Note
TS23: cortical plate	Strong		5I
TS23: cerebral cortex intermediate zone	Present		5I
TS23: cerebral cortex ventricular layer	Absent		5I

Structure	Level	Pattern	Image	Note
TS26: telencephalon	Strong		5K

Structure	Level	Pattern	Image	Note
TS27: cerebellum	Present		6A
TS27: telencephalon	Present		6A

Structure	Level	Pattern	Image	Note
TS28: cerebellum	Present		6B
TS28: telencephalon	Present		6B

Structure	Level	Pattern	Image	Note
TS28: cerebellum	Present		6C
TS28: telencephalon	Present		6C

Structure	Level	Pattern	Image	Note
TS28: cerebral cortex	Present		6D
TS28: dentate gyrus	Present		6D
TS28: hippocampus	Present		6D
TS28: main olfactory bulb	Present		6D
TS28: cerebellum	Present	Regionally restricted	6D	Authors report expression in the granular layer of the cerebellum.