Probe:	plexin-A4 cDNA
Probe preparation:	Antisense labelled with digoxigenin RNA

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

Structure	Level	Pattern	Image	Note
TS22: central nervous system	Present		1_Plxna4	Details are given in Table 1.
TS22: peripheral nervous system	Present		1_Plxna4	Details are given in Table 1.
TS22: choroid plexus	Present		1_Plxna4
TS22: pancreas	Present		1_Plxna4
TS22: spinal cord	Present		1_Plxna4
TS22: tongue epithelium	Present		1_Plxna4
TS22: enteric nervous system	Present	Regionally restricted	1_Plxna4	Expression is in the enteric nervous plexus.
TS22: intestine	Present	Regionally restricted	1_Plxna4	Expression is in the lamina propria and muscularis externa.
TS22: cochlea	Absent		1_Plxna4
TS22: olfactory epithelium	Absent		1_Plxna4