Probe:	TRAP probe
Probe preparation:	Antisense labelled with S35 RNA
Visualized with:	Autoradiography

Structure	Level	Pattern	Image	Note
TS23: tibia	Present		1c

Structure	Level	Pattern	Image	Note
TS24: tibia	Present	Regionally restricted	2f , 2g , 2e , 2h	Expression restricted to cells along the inner layers of bone collar.

Structure	Level	Pattern	Image	Note
TS25: tibia	Present	Regionally restricted	3c	Expression at scattered locations in marrow cavity.

Structure	Level	Pattern	Image	Note
TS25: epiphyseal plate ossification zone	Present	Uniform	4h , 4i	Expression in cells uniformly distributed in ossification center.

Structure	Level	Pattern	Image	Note
TS28: tibia	Present	Uniform	6i , 6h	Expression uniformly distributed in ossification center,

Structure	Level	Pattern	Image	Note
TS28: tibia	Present	Uniform	7Ab , 7Ae	Intensity of expression in uniform throughout bone.

Structure	Level	Pattern	Image	Note
TS28: tibia	Present	Widespread	7Bb , 7Bc	Expression co-localizes with TRAP throughout bone.

Structure	Level	Pattern	Image	Note
TS28: tibia	Present	Regionally restricted	7Be , 7Bf	Some cells at chondro-osseous border continue to uniquely express type IV collagenase.