Probe:	IMAGE clone 1853022
Probe preparation:	Antisense labelled with digoxigenin RNA

Structure	Level	Pattern	Image	Note
TS22: intestine	Strong
TS22: retina	Strong
TS22: cerebral cortex marginal layer	Moderate
TS22: dorsal root ganglion	Moderate
TS22: midbrain	Moderate
TS22: olfactory epithelium	Moderate
TS22: olfactory lobe	Moderate
TS22: tooth	Moderate
TS22: cerebral cortex mantle layer	Weak
TS22: cerebral cortex ventricular layer	Weak
TS22: corpus striatum	Weak
TS22: lung epithelium	Weak
TS22: lung mesenchyme	Weak
TS22: metanephros	Weak
TS22: oral epithelium	Weak
TS22: spinal cord	Weak
TS22: trigeminal ganglion	Weak
TS22: diencephalon	Weak			Expression is in the optic recess of the diencephalon.
TS22: choroid plexus	Absent
TS22: cochlea	Absent
TS22: endocardial tissue	Absent
TS22: epidermis	Absent
TS22: pre-cartilage condensation	Absent
TS22: remnant of Rathke's pouch	Absent
TS22: skeletal muscle	Absent

Structure	Level	Pattern	Image	Note
TS22: tooth	Strong		1_Plxna1
TS22: vibrissa	Strong		1_Plxna1
TS22: intestine	Strong	Regionally restricted	1_Plxna1	Expression is in the muscularis mucosae.
TS22: lung epithelium	Weak		1_Plxna1
TS22: lung mesenchyme	Weak		1_Plxna1
TS22: metanephros	Weak		1_Plxna1
TS22: oral epithelium	Weak		1_Plxna1
TS22: central nervous system	Present		1_Plxna1	Details are given in Table 1.
TS22: peripheral nervous system	Present		1_Plxna1	Details are given in Table 1.
TS22: spinal cord	Present		1_Plxna1	Details are given in Table 1.

Structure	Level	Pattern	Image	Note
TS22: inner enamel epithelium	Present	Regionally restricted	3A	Expression is in the basal layer.
TS22: outer enamel epithelium	Present	Regionally restricted	3A	Expression is in the basal layer.
TS22: oral epithelium	Present		3A

Structure	Level	Pattern	Image	Note
TS23: enamel organ	Present	Regionally restricted	3D	Expression is in the basal layer.
TS23: oral epithelium	Present		3D

Structure	Level	Pattern	Image	Note
TS24: enamel organ	Present	Regionally restricted	3G	Expression is in the basal layer.
TS24: oral epithelium	Present		3G

Structure	Level	Pattern	Image	Note
TS24: seminiferous cord	Present		4A

Structure	Level	Pattern	Image	Note
TS27: testis	Present	Regionally restricted	4D	Expression is in the seminiferous tubules.

Structure	Level	Pattern	Image	Note
TS26: seminiferous cord	Present