Probe:	kappa-receptor cDNA
Probe preparation:	Antisense labelled with P33 RNA
Visualized with:	Autoradiography

Structure	Level	Pattern	Image	Note
TS11: embryo	Absent

Structure	Level	Pattern	Image	Note
TS13: embryo	Absent

Structure	Level	Pattern	Image	Note
TS15: gut epithelium	Present		1A

Structure	Level	Pattern	Image	Note
TS17: brain	Present	Regionally restricted	1B	Expression is in the primitive pia-arachnoid outside the hindbrain.

Structure	Level	Pattern	Image	Note
TS17: brain	Present	Regionally restricted	1D	Expression is in the primitive pia-arachnoid outside the hindbrain.

Structure	Level	Pattern	Image	Note
TS19: midbrain	Present		1F

Structure	Level	Pattern	Image	Note
TS20: telencephalon	Present	Regionally restricted	1H	Expression is in the basal ganglia.

Structure	Level	Pattern	Image	Note
TS20: midbrain	Weak	Regionally restricted	1J	Expression is caudal.
TS20: hindbrain	Present	Regionally restricted	1J	Expression is rostral.

Structure	Level	Pattern	Image	Note
TS20: diencephalon	Present	Regionally restricted	1L	Expression is in the primitive pia-arachnoid from the diencephalon through the hindbrain.
TS20: hindbrain	Present	Regionally restricted	1L	Expression is in the primitive pia-arachnoid from the diencephalon through the hindbrain.
TS20: midbrain	Present	Regionally restricted	1L	Expression is in the primitive pia-arachnoid from the diencephalon through the hindbrain.
TS20: brainstem	Present	Regionally restricted	1L	Expression isin the raphe nuclei.

Structure	Level	Pattern	Image	Note
TS21: midbrain tegmentum	Present		2J , 2I

Structure	Level	Pattern	Image	Note
TS21: midbrain tegmentum	Present	Regionally restricted	2K

Structure	Level	Pattern	Image	Note
TS21: hypothalamus	Present	Regionally restricted	2L	Expression is in the caudal part.

Structure	Level	Pattern	Image	Note
TS21: hypothalamus	Present	Regionally restricted	2N , 2M	Expression is in the caudal part.
TS21: arachnoid mater	Present	Regionally restricted	2N , 2M	Expression is in the primitive pia-arachnoid from the diencephalon through the hindbrain.
TS21: diencephalon	Present	Regionally restricted	2N , 2M	Expression is in the primitive pia-arachnoid from the diencephalon through the hindbrain.
TS21: hindbrain	Present	Regionally restricted	2N , 2M	Expression is in the primitive pia-arachnoid from the diencephalon through the hindbrain.
TS21: midbrain	Present	Regionally restricted	2N , 2M	Expression is in the primitive pia-arachnoid from the diencephalon through the hindbrain.

Structure	Level	Pattern	Image	Note
TS21: midbrain tegmentum	Present	Regionally restricted	2O	Expression is in the dorsal raphe.
TS21: arachnoid mater	Present	Regionally restricted	2O	Expression is in the primitive pia-arachnoid.

Structure	Level	Pattern	Image	Note
TS23: midbrain tegmentum	Present	Regionally restricted	3I	Expression is in the dorsal raphe.

Structure	Level	Pattern	Image	Note
TS23: midbrain	Strong	Regionally restricted	3J	Expression is in trhe ventral tegmental area.

Structure	Level	Pattern	Image	Note
TS23: caudate-putamen	Present		3K
TS23: pons	Present		3K

Structure	Level	Pattern	Image	Note
TS23: hypothalamus	Present		3L

Structure	Level	Pattern	Image	Note
TS25: thalamus	Strong	Regionally restricted	4E	Expression is in the centromedial and centrolateral thalamus.
TS25: caudate-putamen	Weak	Regionally restricted	4E	Expression is rostral.

Structure	Level	Pattern	Image	Note
TS25: thalamus	Strong	Regionally restricted	4H	Expression is in the centromedial and centrolateral thalamus.
TS25: cerebral cortex	Present		4H

Structure	Level	Pattern	Image	Note
TS25: midbrain tegmentum	Present	Regionally restricted	4K	Expression is in the ventral tegmental area and dorsal raphe.
TS25: pons	Present		4K

Structure	Level	Pattern	Image	Note
TS25: midbrain	Present	Regionally restricted	4N	Expression is in the substantia nigra.
TS25: dentate nucleus	Present		4N
TS25: pons	Present		4N
TS25: cerebellum external granule cell layer	Absent		4N

Structure	Level	Pattern	Image	Note
TS25: preoptic area	Present		4Q

Structure	Level	Pattern	Image	Note
TS25: olfactory cortex	Present	Regionally restricted	4T	Expression is in the olfactory tubercle.
TS25: midbrain tegmentum	Present	Regionally restricted	4T	Expression is in the ventral tegmental nucleus.

Structure	Level	Pattern	Image	Note
TS25: hypothalamus	Weak	Regionally restricted	4W
TS25: olfactory cortex	Present	Regionally restricted	4W	Expression is in the olfactory tubercle.

Structure	Level	Pattern	Image	Note
TS26: cerebral cortex	Present		5B

Structure	Level	Pattern	Image	Note
TS26: thalamus	Strong	Regionally restricted	5E	Expression is in the centromedial and centrolateral thalamus.
TS26: cerebral cortex	Present		5E

Structure	Level	Pattern	Image	Note
TS26: thalamus	Present	Regionally restricted	5H	Expression is in the centromedial and centrolateral thalamus.
TS26: cerebral cortex	Present		5H

Structure	Level	Pattern	Image	Note
TS26: olfactory cortex	Present	Regionally restricted	5K	Expression is in the olfactory tubercle.
TS26: substantia nigra	Present		5K
TS26: ventral tegmental area	Present		5K
TS26: midbrain tegmentum	Present	Regionally restricted	5K	Expression is in the dorsal raphe.

Structure	Level	Pattern	Image	Note
TS26: dentate nucleus	Present		5N
TS26: hypothalamus	Present		5N
TS26: pons	Present		5N
TS26: cerebellum external granule cell layer	Absent		5N

Structure	Level	Pattern	Image	Note
TS26: medulla oblongata	Present		5Q

Structure	Level	Pattern	Image	Note
TS23: spinal cord	Present	Regionally restricted	6E	Expression is ventral.

Structure	Level	Pattern	Image	Note
TS25: dorsal root ganglion	Present		6H
TS25: spinal cord	Present		6H

Structure	Level	Pattern	Image	Note
TS21: trigeminal ganglion	Weak		7B

Structure	Level	Pattern	Image	Note
TS21: outflow tract	Present		8D

Structure	Level	Pattern	Image	Note
TS21: limb mesenchyme	Present	Regionally restricted	8H	Expression is in the mesenchyme just beneath the dorsal limb ectoderm.

Structure	Level	Pattern	Image	Note
TS21: limb mesenchyme	Present	Regionally restricted	8L	Expression is in the mesenchyme just beneath the dorsal limb ectoderm.
TS21: outflow tract	Present		8L

Structure	Level	Pattern	Image	Note
TS23: olfactory epithelium	Present		8N

Structure	Level	Pattern	Image	Note
TS25: gut epithelium	Present		8O

Structure	Level	Pattern	Image	Note
TS21: physiological umbilical hernia	Present		8Q

Structure	Level	Pattern	Image	Note
TS25: limb	Present		8U

Structure	Level	Pattern	Image	Note
TS25: cartilage	Present		8V
TS25: bone	Present	Regionally restricted	8V	Expression is at sites of ossification.

Structure	Level	Pattern	Image	Note
TS25: bone	Present	Regionally restricted	8W	Expression is at sites of ossification.
TS25: tongue	Present		8W

Structure	Level	Pattern	Image	Note
TS26: tongue	Present		8X