Probe:	Tbx5 cDNA5
Probe preparation:	Antisense labelled with S35 RNA
Visualized with:	Autoradiography

Structure	Level	Pattern	Image	Note
TS4: blastocyst	Absent

Structure	Level	Pattern	Image	Note
TS11: allantois	Present		1C	Expression is present exclusively in the allantois.
TS11: embryo	Absent		1C

Structure	Level	Pattern	Image	Note
TS20: neural retinal epithelium	Present	Regionally restricted	5H	Expression is present in the dorsal region.

Structure	Level	Pattern	Image	Note
TS20: mandibular process mesenchyme	Present	Regionally restricted	5I	Expression is present in the ventral mandible.
TS20: maxillary process mesenchyme	Absent
TS20: trunk mesenchyme	Present	Regionally restricted	5I	Expression is present in the mesenchyme surrounding the length of the trachea.
TS20: lung mesenchyme	Present		5I
TS20: lung epithelium	Absent		5I
TS20: body wall	Present	Regionally restricted	5I	Expression is present in the body wall of the thorax overlying the heart.
TS20: heart atrium	Present		5I
TS20: heart ventricle	Present		5I

Structure	Level	Pattern	Image	Note
TS20: sinus venosus	Present
TS20: genital tubercle	Present	Regionally restricted		Expression is present in the genital papilla.
TS20: gonad	Absent			There is no expression in the genital ridge.
TS20: gut mesenchyme	Absent			There is no expression in the gut muscle.
TS20: mesonephros	Absent
TS20: metanephros	Absent
TS20: myotome	Absent
TS20: dorsal root ganglion	Absent
TS20: trigeminal ganglion	Absent
TS20: hindbrain	Absent
TS20: neurohypophysis infundibulum	Absent
TS20: pinna	Absent
TS20: rib pre-cartilage condensation	Absent
TS20: tail mesenchyme	Absent
TS20: tongue muscle	Absent