Probe:	Hox-2.6 cDNA1
Probe preparation:	Antisense labelled with S35 RNA
Visualized with:	Autoradiography

Structure	Level	Pattern	Image	Note
TS20: central nervous system	Present	Regionally restricted	1C
TS20: spinal cord	Present		1C	Trancripts were most concentrated in dorsal parts of the spinal cord.

Structure	Level	Pattern	Image	Note
TS20: central nervous system	Present	Regionally restricted	2B
TS20: medulla oblongata	Present	Regionally restricted	2B	The anterior boundary was found in the mid-myelencephalon.

Structure	Level	Pattern	Image	Note
TS20: C1 vertebral cartilage condensation	Weak		3B	Weak labeling especially in ventral parts.
TS20: C2 vertebral cartilage condensation	Strong		3B
TS20: vertebral cartilage condensation	Present	Graded	3B	A gradual anterior to posterior decline (Fig. 1C and 3B).
TS20: lumbar vertebral cartilage condensation	Present	Graded	3B	A very slight increase in the abundance of transcripts in the lumbar region.
TS20: lung	Present	Regionally restricted	3B	Transcripts were found in the mesodermal derivatives but not the lining endothelium of the lung.

Structure	Level	Pattern	Image	Note
TS20: thymus primordium	Present		5C
TS20: thyroid gland	Present		5C
TS20: trachea	Present	Regionally restricted	5C	Expression in the mesodermal derivatives (not lining endothelium) of the trachea.
TS20: pharynx	Present	Regionally restricted	5C	Expression in the floor of the pharynx posterior and anterior to the thyroid duct but absent in posterior parts of the pharyngeal floor.
TS20: tongue	Absent		5C	No expression over the tongue.

Structure	Level	Pattern	Image	Note
TS20: stomach	Present	Regionally restricted	6C	Transcripts were abundant in the mesodermal derivatives and in the mesentery underlying the stomach.
TS20: liver	Absent		6C
TS20: mesonephros	Present		6C
TS20: metanephros	Present		6C	Expression was observed in a neighboring section.
TS20: testis	Absent		6C
TS20: stomach epithelium	Absent		6C	No expression in the lining endothelium of the stomach.

Structure	Level	Pattern	Image	Note
TS20: gut	Present	Regionally restricted		Expression in posterior regions of the intestine.

Structure	Level	Pattern	Image	Note
TS13: lateral plate mesoderm	Present	Regionally restricted	7C	Transcripts were confined to more posterior parts, lateral plate mesoderm, somtatic mesoderm, and neurectoderm.
TS13: neural ectoderm	Present	Regionally restricted	7C	Transcripts were confined to more posterior parts, lateral plate mesoderm, somtatic mesoderm, and neurectoderm.
TS13: trunk paraxial mesenchyme	Present	Regionally restricted	7C	Transcripts were confined to more posterior parts, lateral plate mesoderm, somtatic mesoderm, and neurectoderm.

Structure	Level	Pattern	Image	Note
TS15: future spinal cord	Present		8C	Expression in lateral plate mesoderm, somatic mesoderm, and neurectoderm.
TS15: trunk mesenchyme	Present		8C	Expression in lateral plate mesoderm, somatic mesoderm, and neurectoderm.
TS15: trunk paraxial mesenchyme	Present		8C	Expression in lateral plate mesoderm, somatic mesoderm, and neurectoderm.

Structure	Level	Pattern	Image	Note
TS17: lung	Present	Regionally restricted	9A/C	Abundant expression in the mesodermal components of the lung.

Structure	Level	Pattern	Image	Note
TS17: stomach	Present	Regionally restricted	9B/D	Abundant expression in the mesodermal components of the stomach.