Probe:	Arnt cDNA10
Probe preparation:	Antisense labelled with P33 RNA
Visualized with:	Autoradiography

Structure	Level	Pattern	Image	Note
TS19: embryo	Present	Ubiquitous	1a
TS19: branchial arch	Strong		1a
TS19: cerebellum primordium	Strong		1a
TS19: limb	Strong		1a
TS19: liver	Strong		1a
TS19: nasal process	Strong		1a
TS19: telencephalon	Strong		1a
TS19: midbrain	Strong	Regionally restricted	1a	Expression is in the tectum.
TS19: heart	Weak		1a

Structure	Level	Pattern	Image	Note
TS21: axial skeleton	Strong		1b
TS21: eye	Strong		1b
TS21: genital tubercle	Strong		1b
TS21: intestine	Strong		1b
TS21: limb	Strong		1b
TS21: liver	Strong		1b
TS21: lung	Strong		1b
TS21: nervous system	Strong		1b
TS21: telencephalon	Moderate	Regionally restricted	1b	Expression is in the pallidal subventricular zone.
TS21: medulla oblongata	Moderate	Regionally restricted	1b	Expression is in the medullary differentiating field.
TS21: olfactory epithelium	Moderate		1b
TS21: spinal cord	Moderate		1b
TS21: tongue	Moderate		1b
TS21: heart	Weak		1b

Structure	Level	Pattern	Image	Note
TS21: axial skeleton	Strong		1c
TS21: genital tubercle	Strong		1c
TS21: intestine	Strong		1c
TS21: limb	Strong		1c
TS21: liver	Strong		1c
TS21: lung	Strong		1c
TS21: nervous system	Strong		1c
TS21: neural retinal epithelium	Strong		1c
TS21: telencephalon	Strong	Regionally restricted	1c	Expression is in the pallidal subventricular zone.
TS21: medulla oblongata	Strong	Regionally restricted	1c	Expression is in the medullary differentiating field.
TS21: olfactory epithelium	Moderate		1c
TS21: spinal cord	Moderate		1c
TS21: tongue	Moderate		1c
TS21: heart	Weak		1c

Structure	Level	Pattern	Image	Note
TS15: nervous system	Strong		1d

Structure	Level	Pattern	Image	Note
TS23: aorta	Present		1e
TS23: cerebellum	Present		1e
TS23: esophagus	Present		1e
TS23: heart	Present		1e
TS23: intestine	Present		1e
TS23: limb	Present		1e
TS23: liver	Present		1e
TS23: lung	Present		1e
TS23: metanephros	Present		1e
TS23: nervous system	Present		1e
TS23: olfactory epithelium	Present		1e
TS23: oral cavity	Present		1e
TS23: pituitary gland	Present		1e
TS23: pons	Present		1e
TS23: telencephalon septum	Present		1e
TS23: thalamus	Present		1e
TS23: tongue	Present		1e

Structure	Level	Pattern	Image	Note
TS25: aorta	Present		1f
TS25: bladder	Present		1f
TS25: brown fat	Present		1f
TS25: cerebellum	Present		1f
TS25: esophagus	Present		1f
TS25: heart	Present		1f
TS25: inner ear	Present		1f
TS25: intestine	Present		1f
TS25: limb	Present		1f
TS25: liver	Present		1f
TS25: lung	Present		1f
TS25: metanephros	Present		1f
TS25: nervous system	Present		1f
TS25: olfactory epithelium	Present		1f
TS25: oral cavity	Present		1f
TS25: pituitary gland	Present		1f
TS25: pons	Present		1f
TS25: skin	Present		1f
TS25: submandibular gland	Present		1f
TS25: thalamus	Present		1f
TS25: thymus	Present		1f
TS25: tongue	Present		1f
TS25: trachea epithelium	Present		1f
TS25: trachea mesenchyme	Present		1f
TS25: vibrissa follicle	Present		1f
TS25: telencephalon	Present	Regionally restricted	1f	Expression is in the septum.

Structure	Level	Pattern	Image	Note
TS25: cochlear duct epithelium	Present		1g
TS25: cochlear duct mesenchyme	Present		1g
TS25: retina inner nuclear layer	Present		1g
TS25: retina outer nuclear layer	Present		1g
TS25: vibrissa follicle	Present		1g
TS25: temporal bone petrous part	Present		1g

Structure	Level	Pattern	Image	Note
TS27: cerebellum external granule cell layer	Present		1h
TS27: cochlear duct	Present		1h
TS27: corpus striatum	Present		1h
TS27: hippocampus	Present		1h
TS27: lower jaw incisor	Present		1h
TS27: neocortex	Present		1h
TS27: olfactory epithelium	Present		1h
TS27: submandibular gland	Present		1h
TS27: thymus	Present		1h
TS27: tongue	Present		1h
TS27: upper jaw molar	Present		1h
TS27: vibrissa follicle	Present		1h
TS27: temporal bone	Present	Regionally restricted	1h	Expression is in the cartilage primordium of the petrous part of the temporal bone.

Structure	Level	Pattern	Image	Note
TS23: liver	Strong		2a , 2b
TS23: stomach epithelium	Strong		2a , 2b
TS23: stomach mesenchyme	Strong		2a , 2b

Structure	Level	Pattern	Image	Note
TS27: dental pulp	Moderate	Regionally restricted	2c	Expression is in odontoblasts.
TS27: lower jaw molar	Moderate	Regionally restricted	2c
TS27: inner enamel epithelium	Moderate		2c
TS27: outer enamel epithelium	Moderate		2c
TS27: stratum intermedium	Moderate		2c

Structure	Level	Pattern	Image	Note
TS23: lobar bronchus	Moderate		2d
TS23: lung epithelium	Moderate		2d
TS23: lung mesenchyme	Moderate		2d

Structure	Level	Pattern	Image	Note
TS27: epidermis	Moderate		2e
TS27: vibrissa follicle	Moderate		2e

Structure	Level	Pattern	Image	Note
TS23: vertebra	Moderate	Regionally restricted	2f	Expression is stronger in the mesenchyme surrounding the bones.

Structure	Level	Pattern	Image	Note
TS27: retina inner nuclear layer	Strong		2g , 2h
TS27: retina outer nuclear layer	Strong		2g , 2h

Structure	Level	Pattern	Image	Note
TS25: olfactory epithelium	Moderate		2i

Structure	Level	Pattern	Image	Note
TS21: dorsal root ganglion	Strong		2j

Structure	Level	Pattern	Image	Note
TS15: neural tube	Strong

Structure	Level	Pattern	Image	Note
TS17: neural tube	Strong

Structure	Level	Pattern	Image	Note
TS19: cerebellum primordium	Strong
TS19: myelencephalon	Strong
TS19: neural tube	Strong
TS19: telencephalon	Strong	Regionally restricted		Rhinencephalic neuroepithelium and weaker in striatum.
TS19: midbrain	Strong	Regionally restricted		Strong in the tectal neuroepithelium, weak in tegmentum.
TS19: diencephalon	Strong	Regionally restricted		thalamic neuroepithelium, weak in hypothalamus
TS19: metencephalon	Strong	Regionally restricted		pons
TS19: forebrain	Present	Regionally restricted		hippocampus
TS19: future spinal cord	Weak

Structure	Level	Pattern	Image	Note
TS21: corpus striatum	Strong
TS21: dorsal root ganglion	Strong
TS21: medulla oblongata	Strong
TS21: neocortex	Strong
TS21: pons	Strong
TS21: olfactory lobe	Strong	Regionally restricted		olfactory bulb
TS21: midbrain	Strong	Regionally restricted		Strong in the tectal neuroepithelium, weak in tegmentum, inferior colliculus, superior colliculus.
TS21: telencephalon	Strong	Regionally restricted		Septal neuroepithelium, pallidal neuroepithelium and subventricular zone, moderate in rhinencephalic neuroepithelium.
TS21: forebrain	Strong	Regionally restricted		hippocampus
TS21: cerebellum	Present
TS21: spinal cord	Present
TS21: hypothalamus	Weak	Regionally restricted
TS21: thalamus	Weak	Regionally restricted

Structure	Level	Pattern	Image	Note
TS23: cerebral cortex subventricular zone	Strong
TS23: dorsal root ganglion	Strong
TS23: hippocampus	Strong
TS23: hypothalamus	Strong
TS23: main olfactory bulb	Strong
TS23: medulla oblongata	Strong
TS23: neocortex	Strong
TS23: tectum	Strong
TS23: telencephalon	Strong	Regionally restricted		Septal neuroepithelium, moderate in septal subventricular zone and in rhinencephalic neuroepithelium.
TS23: corpus striatum	Present
TS23: pallidum	Present
TS23: pons	Present
TS23: cerebellum	Weak
TS23: inferior colliculus	Weak
TS23: midbrain tegmentum	Weak
TS23: spinal cord	Weak
TS23: superior colliculus	Weak
TS23: thalamus	Weak

Structure	Level	Pattern	Image	Note
TS25: cerebral cortex subventricular zone	Strong
TS25: corpus striatum	Strong
TS25: cortical plate	Strong
TS25: dorsal root ganglion	Strong
TS25: hippocampus	Strong
TS25: neocortex	Strong
TS25: tectum	Strong
TS25: main olfactory bulb	Strong	Regionally restricted		Strong in the subventricular zone, moderate in neuroepithelium and differentiating field.
TS25: telencephalon	Strong	Regionally restricted		Rhinencephalic neuroepithelium, moderate in the septal and rhinencephalic subventricular zone.
TS25: cerebellum	Weak
TS25: hypothalamus	Weak
TS25: spinal cord	Weak
TS25: superior colliculus	Weak
TS25: thalamus	Weak
TS25: midbrain tegmentum	Absent

Structure	Level	Pattern	Image	Note
TS27: dorsal root ganglion	Strong
TS27: cerebellum Purkinje cell layer	Present
TS27: cerebellum external granule cell layer	Present
TS27: hippocampus	Present
TS27: neocortex	Present
TS27: subiculum	Present
TS27: main olfactory bulb	Present	Regionally restricted		Present in neuroepithelium and subventricular zone, weak in differentiating field.
TS27: cerebral cortex	Weak	Regionally restricted		cortical plate
TS27: corpus striatum	Weak
TS27: inferior colliculus	Weak
TS27: medulla oblongata	Weak
TS27: spinal cord	Weak
TS27: superior colliculus	Weak
TS27: telencephalon septum	Weak
TS27: thalamus	Weak

Structure	Level	Pattern	Image	Note
TS19: branchial arch	Strong
TS19: intestine	Strong
TS19: nasal process	Strong
TS19: limb	Present
TS19: liver	Present
TS19: cardiac muscle tissue	Weak

Structure	Level	Pattern	Image	Note
TS21: eye	Strong
TS21: genital tubercle	Strong
TS21: intestine	Strong
TS21: limb	Strong
TS21: liver	Strong
TS21: lung	Strong
TS21: metanephros	Strong
TS21: retina	Strong
TS21: skeletal muscle	Strong
TS21: skeleton	Strong
TS21: stomach	Strong
TS21: gland	Strong	Regionally restricted		adrenal gland
TS21: inner ear	Present
TS21: olfactory epithelium	Present
TS21: pituitary gland	Present
TS21: skin	Present
TS21: thymus primordium	Present
TS21: tongue	Present
TS21: vibrissa follicle	Present
TS21: blood vessel	Present	Regionally restricted		Walls of large vessels.
TS21: cardiac muscle tissue	Weak

Structure	Level	Pattern	Image	Note
TS23: adrenal gland	Strong
TS23: eye	Strong
TS23: liver	Strong
TS23: retina	Strong
TS23: skeletal muscle	Strong
TS23: skeleton	Strong
TS23: stomach	Strong
TS23: esophagus	Present
TS23: intestine	Present
TS23: lung	Present
TS23: metanephros	Present
TS23: olfactory epithelium	Present
TS23: pituitary gland	Present
TS23: skin	Present
TS23: thymus primordium	Present
TS23: tongue	Present
TS23: urethra	Present
TS23: vibrissa	Present
TS23: cardiac muscle tissue	Weak
TS23: inner ear	Weak
TS23: limb	Weak
TS23: oral cavity	Weak
TS23: blood vessel	Weak	Regionally restricted		Walls of large vessels.

Structure	Level	Pattern	Image	Note
TS25: adrenal gland	Strong
TS25: eye	Strong
TS25: retina	Strong
TS25: bladder	Present
TS25: brown fat	Present
TS25: esophagus	Present
TS25: intestine	Present
TS25: lung	Present
TS25: metanephros	Present
TS25: olfactory epithelium	Present
TS25: oral cavity	Present
TS25: pituitary gland	Present
TS25: skin	Present
TS25: submandibular gland	Present
TS25: thymus	Present
TS25: tongue	Present
TS25: tooth	Present
TS25: trachea	Present
TS25: vibrissa follicle	Present
TS25: cardiac muscle tissue	Weak
TS25: inner ear	Weak
TS25: limb	Weak
TS25: liver	Weak
TS25: spleen	Weak
TS25: urethra of male	Weak
TS25: skeleton	Weak	Regionally restricted		Absent in backbone.
TS25: blood vessel	Weak	Regionally restricted		Walls of large vessels.
TS25: skeletal muscle	Absent

Structure	Level	Pattern	Image	Note
TS27: adrenal gland	Strong
TS27: eye	Strong
TS27: retina	Strong
TS27: submandibular gland	Strong
TS27: bladder	Present
TS27: intestine	Present
TS27: metanephros	Present
TS27: olfactory epithelium	Present
TS27: pituitary gland	Present
TS27: skin	Present
TS27: spleen	Present
TS27: stomach	Present
TS27: thymus	Present
TS27: tooth	Present
TS27: vibrissa follicle	Present
TS27: cardiac muscle tissue	Weak
TS27: liver	Weak
TS27: oral region	Weak
TS27: tongue	Weak
TS27: blood vessel	Weak	Regionally restricted		Walls of large vessels.
TS27: bone	Absent
TS27: limb	Absent
TS27: lung	Absent
TS27: skeletal muscle	Absent