Probe:	Col10a1 cDNA5
Probe preparation:	Antisense labelled with digoxigenin RNA
Visualized with:	Alkaline phosphatase

Structure	Level	Pattern	Image	Note
TS21: tibia-fibula pre-cartilage condensation	Absent		1D	Expression not detected at this stage.

Structure	Cell Type	Level	Pattern	Image	Note
TS22: tibia cartilage condensation	chondrocyte	Present	Regionally restricted	2F	Expression in chondrocytes of entire hypertrophic cell zone.

Structure	Level	Pattern	Image	Note
TS23: epiphyseal plate hypertrophic zone	Present	Regionally restricted	3D	Expression in peripheral part of hypertrophic cell zone corresponding to upper hypertrophic cell zone. Expression less extensive in lower hypertrophic cell zone.
TS23: tibia epiphysis	Present	Regionally restricted	3D	Expression in peripheral part of hypertrophic cell zone corresponding to upper hypertrophic cell zone. Expression less extensive in lower hypertrophic cell zone.

Structure	Level	Pattern	Image	Note
TS22: mandible	Absent		4D	No expression in bone tissue.
TS22: mandible condylar condensation	Absent		4D	No expression in condylar anlage.

Structure	Cell Type	Level	Pattern	Image	Note
TS23: mandible condylar process	chondrocyte	Present	Widespread	5D	Widely expressed in newly formed chondrocytes.

Structure	Cell Type	Level	Pattern	Image	Note
TS24: mandible condylar process	chondrocyte	Present	Regionally restricted	6D	Expression in chondrocytes of upper hypertrophic zone. Weak expression in lower hypertrophic zone.