Probe:	Npr3 probe1
Probe preparation:	labelled with digoxigenin RNA

Structure	Level	Pattern	Image	Note
TS20: spinal nerve	Present	Regionally restricted	2H	Expression was detected in the dorsal nerve roots and at lower levels in the ventral nerve roots.
TS20: spinal cord floor plate	Present		2H
TS20: spinal cord roof plate	Present		2H

Structure	Level	Pattern	Image	Note
TS17: dorsal root ganglion	Present		3Q
TS17: spinal nerve	Present	Regionally restricted	3Q	Expression was detected in boundary cap cells in the dorsal and ventral nerve roots.

Structure	Level	Pattern	Image	Note
TS20: dorsal root ganglion	Weak		3R
TS20: spinal nerve	Present	Regionally restricted	3R	Expression was detected in the dorsal nerve root but decreased along the ventral root.

Structure	Level	Pattern	Image	Note
TS22: spinal nerve	Present	Regionally restricted	3S	Expression was detected in the dorsal nerve roots and at lower levels in the ventral nerve roots.

Structure	Level	Pattern	Image	Note
TS25: spinal component of peripheral nervous system	Present	Regionally restricted	3T	Expression was detected in the dorsal nerve roots and at lower levels in the ventral nerve roots. Expression was not detected along the distal portions of the nerves.