Probe:	ERR-1 cDNA
Probe preparation:	Antisense labelled with S35 RNA

Structure	Level	Pattern	Image	Note
TS25: ulna	Present	Regionally restricted	1C , 1A	Expression was restricted to the bone in the midshaft and was not found in any zone of cartilage.
TS25: humerus	Present	Regionally restricted	1A	Expression was restricted to the bone in the midshaft and was not found in any zone of cartilage.
TS25: radius	Present	Regionally restricted	1A	Expression was restricted to the bone in the midshaft and was not found in any zone of cartilage.
TS25: long bone epiphyseal plate ossification zone	Present		1C , 1A
TS25: long bone epiphyseal plate hypertrophic zone	Absent		1A , 1C

Structure	Level	Pattern	Image	Note
TS23: femur	Present	Regionally restricted	1I , 1G	Expression was detected during ossification in the upper shaft region of the femur.

Structure	Level	Pattern	Image	Note
TS23: humerus	Present	Regionally restricted	1K	Expression was detected during ossification in the upper shaft region of the humerus.

Structure	Level	Pattern	Image	Note
TS23: vertebra	Present	Regionally restricted	1M	Expression was detected in the ossification region.

Structure	Level	Pattern	Image	Note
TS23: maxilla	Strong		1O

Structure	Level	Pattern	Image	Note
TS23: rib	Present	Regionally restricted		Expression was detected in the ossification zone of the rib.