Probe:	Erm probe
Probe preparation:	Antisense labelled with S35 RNA

Structure	Level	Pattern	Image	Note
TS23: dental lamina	Present	Regionally restricted	5A	Decreased expression in apical inner epithelium; high expression at junction between outer and inner epithelia.
TS23: dental papilla	Strong		5A
TS23: dorsal root ganglion	Strong		5A
TS23: jaw	Present		5A
TS23: tongue	Present		5A
TS23: trachea cartilaginous ring	Present		5A
TS23: skeletal muscle	Present	Regionally restricted	5A	Expression in neck muscles.
TS23: appendicular skeleton	Present		5A	Expression in young aggregating chondroblasts but not in cartilage matrix.
TS23: thymus primordium	Weak	Regionally restricted	5A	Weak expression in the central region composed of a stromal network.
TS23: salivary gland	Strong	Regionally restricted	5A	High expression in bulbous epithelial lobules, composed of epithelial cells surrounded by condensed mesenchymal cells. No expression in the more differentiated epithelial stalks.

Structure	Level	Pattern	Image	Note
TS17: lens pit	Strong		6B	Expression in both the neural layer of the retina and in the lens.
TS17: optic cup	Strong		6B	Expression in both the neural layer of the retina and in the lens.

Structure	Level	Pattern	Image	Note
TS23: retina nuclear layer	Strong		7B	Expression in the outer neuroblastic layer of the neuroretina.
TS23: lens equatorial epithelium	Strong	Regionally restricted	7B	Expression in the nuclear region of secondary lens fibers located in the equatorial region of the lens.
TS23: optic choroid	Present		7B

Structure	Level	Pattern	Image	Note
TS23: olfactory epithelium	Present	Regionally restricted	8B	Expression restricted to cell subpopulations of nasal epithelium.
TS23: nose	Present	Regionally restricted	8B	Homogenous expression in mesenchyme adjacent to the olfactory vesicle.
TS23: nasal capsule	Present	Regionally restricted	8B	Expression in perichondrial cells lining newly formed cartilage of nasal capsule and septum.
TS23: nasal septum	Present	Regionally restricted	8B	Expression in perichondrial cells lining newly formed cartilage of nasal capsule and septum.

Structure	Level	Pattern	Image	Note
TS23: adenohypophysis	Present		9B
TS23: neurohypophysis infundibulum	Present		9B

Structure	Level	Pattern	Image	Note
TS23: mammary gland primordium epithelium	Strong		10A
TS23: skeletal muscle	Present	Regionally restricted	10A	Expression in axial, appendicular and body wall muscles.
TS23: appendicular skeleton	Present	Regionally restricted	10A	Expression in young aggregating chondroblasts but not in cartilage matrix
TS23: atrium cardiac muscle	Strong	Regionally restricted	10A	High expression in the myogenic trabeculation of the atria as well as in the ventricles.
TS23: ventricle cardiac muscle	Strong	Regionally restricted	10A	High expression in the myogenic trabeculation of the atria as well as in the ventricles.
TS23: lung epithelium	Present	Regionally restricted	10A	Expression restricted to distal growing epithelium; no expression in more differentiated stalks.

Structure	Level	Pattern	Image	Note
TS17: neural tube floor plate	Present		11A
TS17: dermomyotome	Present	Regionally restricted	11A	Expression in the lateral dermomyotome and adjacent sclerotomal cells.
TS17: sclerotome	Present	Regionally restricted	11A	Expression in the lateral dermomyotome and adjacent sclerotomal cells.

Structure	Level	Pattern	Image	Note
TS23: gut mesenchyme	Present	Regionally restricted	12B	Expression in differentiating mesodermal layers surrounding the tracheal and digestive tract.
TS23: gut epithelium	Present	Regionally restricted	12B	xpression in the basal layers of endodermal epithelium.

Structure	Level	Pattern	Image	Note
TS19: limb mesenchyme	Strong	Regionally restricted	13B	Expression in distal mesenchymal cells correponding to the progress zone.
TS19: limb ectoderm	Weak		13B

Structure	Level	Pattern	Image	Note
TS23: ureteral mesenchyme	Present	Regionally restricted	14A	Expression in the ureteric epithelium and surrounding mesenchymal condensation.
TS23: urothelium of ureter	Present	Regionally restricted	14A	Expression in the ureteric epithelium and surrounding mesenchymal condensation.

Structure	Level	Pattern	Image	Note
TS21: thymus primordium	Present	Regionally restricted	15B	Expression in epithelial cells of the capsule located in the periphery of the gland.

Structure	Level	Pattern	Image	Note
TS17: lung epithelium	Present

Structure	Level	Pattern	Image	Note
TS21: tooth epithelium	Present
TS21: tooth mesenchyme	Present
TS21: neural retinal epithelium	Strong	Regionally restricted		Expression in the outer neuroblastic layer of the neuroretina.
TS21: lens equatorial epithelium	Strong	Regionally restricted		Expression in the nuclear region of secondary lens fibers located in the equatorial region of the lens.

Structure	Level	Pattern	Image	Note
TS23: thyroid gland	Present	Regionally restricted		Expression in the nuclear region of secondary lens fibers located in the equatorial region of the lens.

Structure	Level	Pattern	Image	Note
TS26: mesenchyme of metanephros	Weak	Uniform