Probe:	pan-Lhx9
Probe preparation:	Antisense RNA
Visualized with:	Autoradiography

Structure	Level	Pattern	Image	Note
TS17: neural tube lateral wall	Present	Regionally restricted	4A , 4A'	Expressed in the dorsal part of the gray matter in recently born dI1 neurons/dorsal mantle zone.
TS17: forelimb bud	Present		4A , 4A"

Structure	Level	Pattern	Image	Note
TS17: neural tube lateral wall	Present	Regionally restricted	4B , 4B'	Expressed in the dorsal part of the gray matter in recently born dI1 neurons/dorsal mantle zone.
TS17: urogenital ridge	Present		4B , 4B"

Structure	Level	Pattern	Image	Note
TS19: neural tube mantle layer	Present	Regionally restricted	4C' , 4C	Expressed in the dorsal part of the gray matter in recently born dI1 neurons/dorsal mantle zone.
TS19: neural tube lateral wall	Present	Regionally restricted	4C , 4C'	Expressed in the deep dorsal horn/migrating stream of dI1 neurons.
TS19: forelimb bud	Present		4C , 4C"

Structure	Level	Pattern	Image	Note
TS19: neural tube mantle layer	Present	Regionally restricted	4D , 4D'	Expressed in the dorsal part of the gray matter in recently born dI1 neurons/dorsal mantle zone.
TS19: neural tube lateral wall	Present	Regionally restricted	4D , 4D'	Expressed in the deep dorsal horn/migrating stream of dI1 neurons.
TS19: urogenital ridge	Present		4D" , 4D

Structure	Level	Pattern	Image	Note
TS20: spinal cord dorsal horn	Weak		4E , 4E'	Weakly expressed at brachial levels.
TS20: forelimb	Present		4E , 4E"

Structure	Level	Pattern	Image	Note
TS20: spinal cord dorsal horn	Strong		4F , 4F'	Robustly expressed in the deep dorsal horn at thoracic levels.
TS20: urogenital ridge	Present		4F , 4F"

Structure	Level	Pattern	Image	Note
TS21: spinal cord dorsal horn	Present		4G , 4G'	Expressed almost exclusively in the deep dorsal horn.
TS21: forelimb	Present		4G" , 4G

Structure	Level	Pattern	Image	Note
TS21: spinal cord dorsal horn	Present		4H , 4H'	Expressed almost exclusively in the deep dorsal horn.
TS21: urogenital ridge	Ambiguous		4H , 4H"