Probe:	Tbx3 cDNA2
Probe preparation:	Antisense labelled with S35 RNA
Visualized with:	Autoradiography

Structure	Level	Pattern	Image	Note
TS5: inner cell mass	Present

Structure	Level	Pattern	Image	Note
TS11: amnion mesoderm	Present		1B
TS11: chorion mesoderm	Present		1B
TS11: extraembryonic endoderm	Present		1B
TS11: yolk sac endoderm	Present		1B
TS11: yolk sac mesoderm	Present		1B

Structure	Level	Pattern	Image	Note
TS11: allantois mesoderm	Present

Structure	Level	Pattern	Image	Note
TS15: branchial arch mesenchyme	Present		3D
TS15: pharynx epithelium	Present		3D
TS15: trunk	Present	Regionally restricted	3D	Expression is present in the lateral body wall in the abdominal region.

Structure	Level	Pattern	Image	Note
TS15: allantois	Absent
TS15: amnion	Absent
TS15: yolk sac	Absent

Structure	Level	Pattern	Image	Note
TS20: semicircular canal epithelium	Present		4E
TS20: neural retinal epithelium	Present	Regionally restricted	4E	Expression is present in the dorsal region.
TS20: trigeminal ganglion	Present		4E
TS20: vestibulo-cochlear ganglion	Absent		4E

Structure	Level	Pattern	Image	Note
TS20: neurohypophysis infundibulum	Present		4F
TS20: mandibular process	Present		4F
TS20: maxillary process	Present		4F

Structure	Level	Pattern	Image	Note
TS20: neurohypophysis infundibulum	Present		4G
TS20: diencephalon lateral wall	Present	Regionally restricted	4G	Expression is present in the floor.
TS20: hindbrain	Present	Regionally restricted	4G	Expression is present in a bilaterally paired small regions caudal to the pontine flexure.

Structure	Level	Pattern	Image	Note
TS20: lung mesenchyme	Present		4I
TS20: lung epithelium	Absent		4I
TS20: mandibular process	Present		4I

Structure	Level	Pattern	Image	Note
TS20: mesonephros	Present		4J
TS20: metanephros	Present		4J	Expression is present in the tubules.
TS20: gut mesenchyme	Present		4J	Expression is present in the smooth muscle.
TS20: stomach mesenchyme	Present		4J	Expression is present in the smooth muscle.
TS20: genital tubercle	Present		4J	Expression is present in the genital papilla.
TS20: gonad	Present	Regionally restricted	4J	Expression is present in the genital ridge.

Structure	Level	Pattern	Image	Note
TS20: dorsal root ganglion	Weak		4K	Expression is present along the length of the spinal column.
TS20: genital tubercle	Present		4K	Expression is present in the genital papilla.

Structure	Level	Pattern	Image	Note
TS20: hindlimb mesenchyme	Present	Regionally restricted	4L	Expression is present at the anterior and posterior margins of the limb buds.
TS20: foot epithelium	Present		4L	Expression is present in the apical ectodermal ridge.
TS20: genital tubercle	Present		4L	Expression is present in the genital papilla.

Structure	Level	Pattern	Image	Note
TS20: rib pre-cartilage condensation	Present
TS20: forelimb mesenchyme	Present
TS20: hand epithelium	Present	Regionally restricted		Expression is present in the apical ectodermal ridge.
TS20: body wall	Present
TS20: heart atrium	Absent
TS20: heart ventricle	Absent
TS20: myotome	Present
TS20: tail mesenchyme	Absent
TS20: tongue mesenchyme	Absent
TS20: trunk mesenchyme	Present			Expression is present in the mesenchyme surrounding the trachea.