Probe:	Hox 2.4 probe4
Probe preparation:	Antisense labelled with S35 RNA

Structure	Level	Pattern	Image	Note
TS13: neural tube	Present	Regionally restricted	1a	Posterior expression with an anterior boundary of expression at the level of the 5th somite.
TS13: somite 10	Present		1a	The anterior boundary of expression is at somite 10-11.
TS13: somite 11	Present		1a	The anterior boundary of expression is at somite 10-11.
TS13: trunk somite	Present	Regionally restricted	1a	Expression is posterior somite 10-11.
TS13: trunk unsegmented mesenchyme	Present	Regionally restricted	1a	Expression is posterior somite 10-11.
TS13: unsegmented mesenchyme	Present	Regionally restricted	1a	Expression is posterior somite 10-11.

Structure	Level	Pattern	Image	Note
TS13: neural tube	Present	Regionally restricted	1b	Posterior expression with an anterior boundary of expression at the level of the 5th somite.
TS13: somite 10	Present		1b	The anterior boundary of expression is at somite 10-11.
TS13: somite 11	Present		1b	The anterior boundary of expression is at somite 10-11.
TS13: trunk somite	Present	Regionally restricted	1b	Expression is posterior somite 10-11.
TS13: trunk unsegmented mesenchyme	Present	Regionally restricted	1b	Expression is posterior somite 10-11.
TS13: unsegmented mesenchyme	Present	Regionally restricted	1b	Expression is posterior somite 10-11.

Structure	Level	Pattern	Image	Note
TS19: hindbrain	Present	Regionally restricted	1d	The anterior boundary of expression is in the posterior hindbrain.
TS19: spinal ganglion	Strong	Regionally restricted	1d	Expression is in all spinal ganglia, high in the first definitive spinal ganglion (C2) and weak in the degenerating first spinal (Fropriep's) ganglion.
TS19: Tl1 vertebral pre-cartilage condensation	Strong		1d
TS19: C7 vertebral cartilage condensation	Weak		1d