Probe:	MATH-1 probe
Probe preparation:	Antisense labelled with S35 RNA

Structure	Level	Pattern	Image	Note
TS13: embryo	Absent

Structure	Level	Pattern	Image	Note
TS15: trigeminal preganglion	Present		3a

Structure	Level	Pattern	Image	Note
TS15: central nervous system	Present		3b	Expression in the dorsal wall of the neural tube.

Structure	Level	Pattern	Image	Note
TS17: trigeminal ganglion	Weak		3c

Structure	Level	Pattern	Image	Note
TS17: central nervous system	Strong	Regionally restricted	3d	High levels of expression throughout the dorsal part of the neural tube.

Structure	Level	Pattern	Image	Note
TS19: central nervous system	Strong	Regionally restricted	3e	High levels of expression throughout the dorsal part of the neural tube.

Structure	Level	Pattern	Image	Note
TS20: forebrain	Absent		4a	Authors state that expression was undetectable in the forebrain.
TS20: midbrain	Weak	Regionally restricted	4a	Weak expression in the dorsal part of the midbrain.
TS20: hindbrain	Strong	Regionally restricted	4a	Prominent expression in the alar plate of the hindbrain, located dorsolateral to the basal plate.
TS20: spinal cord	Strong	Regionally restricted	4a	High levels of expression in the spinal cord restricted to the dorsal ventricular zone and alar plates, with highest levels in the most dorsal region.

Structure	Level	Pattern	Image	Note
TS20: hindbrain alar plate	Strong		4b	Prominent expression in the alar plate of the hindbrain,
TS20: hindbrain lateral wall	Strong	Regionally restricted	4b	High expression in the ventrally and dorsally migrating cells of the alar plate of the hindbrain.
TS20: metencephalon	Present	Regionally restricted	4b	Expression in ventrally migrating cells corresponding the the bulbopontine extension, which later forms the pontine nuclei rostrally and the olivary nuclear complex caudally.
TS20: cerebellum primordium	Present	Regionally restricted	4b	Expression in dorsally migrating cells forming the external granule layer of the cerebellar cortex.
TS20: spinal cord	Present	Regionally restricted	4b	High levels of expression in the spinal cord restricted to the dorsal ventricular zone and alar plates, with highest levels in the most dorsal region.

Structure	Level	Pattern	Image	Note
TS20: spinal cord	Strong	Regionally restricted	4c	High levels of expression in the spinal cord restricted to the dorsal ventricular zone and alar plates, with highest levels in the most dorsal region.

Structure	Level	Pattern	Image	Note
TS21: forebrain	Absent		5a
TS21: midbrain	Absent		5a
TS21: hindbrain	Present	Regionally restricted	5a	Expression in the dorsal part of the hindbrain,
TS21: metencephalon	Strong	Regionally restricted	5a	Highest levels in the metencephalon.
TS21: medulla oblongata	Present		5a	Expression in the myelencephalon.
TS21: spinal cord	Present	Regionally restricted	5a	Expression in the dorsal part of the spinal cord.

Structure	Level	Pattern	Image	Note
TS26: cerebellum	Present		5b	Expression in the brain restricted to the cerebellum.
TS26: spinal cord	Absent		5b
TS26: alimentary system	Present		5b	Expression in the gastrointestinal tract.

Structure	Level	Pattern	Image	Note
TS27: cerebellum external granule cell layer	Present		6Aa	Expression in the CNS restricted to the external granular layer of the cerebellum.

Structure	Level	Pattern	Image	Note
TS28: cerebellum internal granule cell layer	Present		6Ab	Authors report that expression in the external granular layer gradually decreased postnatally.

Structure	Level	Pattern	Image	Note
TS28: cerebellum external granule cell layer	Present		6Ac	Authors report that expression in the external granular layer gradually decreased postnatally.

Structure	Level	Pattern	Image	Note
TS28: nervous system	Absent		6Ad	Authors report that there was no detectable expression in the nervous system.

Structure	Level	Pattern	Image	Note
TS27: cerebellum external granule cell layer	Present		6Ba
TS27: cerebellum internal granule cell layer	Absent		6Ba

Structure	Level	Pattern	Image	Note
TS28: cerebellum external granule cell layer	Present		6Bb
TS28: cerebellum internal granule cell layer	Absent		6Bb

Structure	Level	Pattern	Image	Note
TS28: alimentary system epithelium	Present		7Ba	Expression in epithelial cells of the gastrointestinal tract
TS28: alimentary system	Present	Regionally restricted	7Ba	No expression in neural cells.