Probe:	Fgf-6 cDNA2
Probe preparation:	Antisense labelled with S35 RNA
Visualized with:	Autoradiography

Structure	Level	Pattern	Image	Note
TS9: embryo	Absent

Structure	Level	Pattern	Image	Note
TS13: embryo	Absent

Structure	Level	Pattern	Image	Note
TS15: trunk dermomyotome	Present	Regionally restricted		Expression is present in the myotome and absent in the dermatome.
TS15: trunk sclerotome	Absent

Structure	Level	Pattern	Image	Note
TS17: trunk dermomyotome	Present	Regionally restricted	1A/B	Expression is present in the myotome and absent in the dermatome.
TS17: trunk sclerotome	Absent		1A/B

Structure	Level	Pattern	Image	Note
TS17: trunk dermomyotome	Present	Regionally restricted	1C/D	Expression is present in the myotome and absent in the dermatome.
TS17: trunk sclerotome	Absent		1C/D

Structure	Level	Pattern	Image	Note
TS17: heart	Absent
TS17: embryo mesenchyme	Present	Regionally restricted		Expression is absent in the smooth muscle.

Structure	Level	Pattern	Image	Note
TS19: trunk dermomyotome	Present	Regionally restricted	1E	Expression is present in the myotome and absent in the dermatome.
TS19: trunk sclerotome	Absent		1E

Structure	Level	Pattern	Image	Note
TS19: trunk dermomyotome	Present	Regionally restricted	1F	Expression is present in the myotome and absent in the dermatome.
TS19: hindlimb bud	Absent		1F
TS19: trunk sclerotome	Absent		1F

Structure	Level	Pattern	Image	Note
TS19: heart	Absent
TS19: embryo mesenchyme	Present	Regionally restricted		Expression is absent in smooth muscle.

Structure	Level	Pattern	Image	Note
TS20: head mesenchyme	Present	Regionally restricted	2A	Present in developing skeletal muscle, including the muscle masses of the neck, but in lesser amounts than cardiac actin.

Structure	Level	Pattern	Image	Note
TS20: tail dermomyotome	Present	Regionally restricted		Expression is present in the myotome and absent in the dermatome.
TS20: heart	Absent
TS20: tail sclerotome	Absent
TS20: embryo mesenchyme	Present	Regionally restricted		Expression is absent in the smooth muscle.

Structure	Level	Pattern	Image	Note
TS21: vertebral axis musculature	Present	Regionally restricted	2J	Present in most developing skeletal muscle of the embryo.
TS21: diaphragm	Present		2J
TS21: upper leg mesenchyme	Present	Regionally restricted	2J	Present in the thigh muscles.

Structure	Level	Pattern	Image	Note
TS21: heart	Absent
TS21: embryo mesenchyme	Present	Regionally restricted		Expression is absent in the smooth muscle.

Structure	Level	Pattern	Image	Note
TS22: vertebral axis musculature	Present	Regionally restricted	2C	Present in developing skeletal muscle, including in the neck, the intercostal muscles, and in those surrounding the ribs and vertebral column. Expression in most muscles is more intense at the periphery of the muscle.
TS22: tongue	Present	Regionally restricted	2C	Expression is present in the skeletal muscle of the tongue but absent from the superficial muscle layer and the fibers surrounding the tongue.
TS22: head	Present	Regionally restricted	2C	Present in the jaw muscles.
TS22: pharynx mesenchyme	Present	Regionally restricted	2C	Present in the developing pharynegeal muscles.

Structure	Level	Pattern	Image	Note
TS22: vertebral axis musculature	Present	Regionally restricted	2D	Present in developing skeletal muscle, including those surrounding the ribs and the vertebral column. Expression in most muscles is more intense at the periphery of the muscle.
TS22: forelimb	Present	Regionally restricted	2D	Expression is present in the proximal developing muscles of the forelimb in a graded fashion with the highest levels of expression being located proximally and the least distally.
TS22: shoulder mesenchyme	Present	Regionally restricted	2D	Present in developing skeletal muscle, including those in the shoulder. Expression in most muscles is more intense at the periphery of the muscle.

Structure	Level	Pattern	Image	Note
TS22: hindlimb	Present	Regionally restricted	2F	Expression is present in the muscle masses of the hindlimb in a graded fashion with the highest levels of expression being located proximally and the least distally. There is no expression in the bone. Expression is most intense at the muscle periphery.

Structure	Level	Pattern	Image	Note
TS22: extrinsic ocular muscle	Present		2H/I	Present in developing skeletal muscle.

Structure	Level	Pattern	Image	Note
TS22: vertebral axis musculature	Present	Regionally restricted	3A	Present in developing skeletal muscle, including in the neck. Expression in most muscles is more intense at the periphery of the muscle.

Structure	Level	Pattern	Image	Note
TS22: shoulder mesenchyme	Present	Regionally restricted	3C	Present in developing skeletal muscle, including in the shoulder. Expression in most muscles is more intense at the periphery of the muscle.

Structure	Level	Pattern	Image	Note
TS23: axial musculature	Present		4A/B	Expression is present in the myotubes in the muscle masses of the neck.

Structure	Level	Pattern	Image	Note
TS23: axial musculature	Present		4C/D	Expression is present in the myotubes in the muscle masses of the neck.

Structure	Level	Pattern	Image	Note
TS23: axial musculature	Present		4E/F	Expression is present in the myotubes in the muscle masses of the neck.

Structure	Level	Pattern	Image	Note
TS23: heart	Absent
TS23: embryo mesenchyme	Present	Regionally restricted		Expression is absent in the smooth muscle.

Structure	Level	Pattern	Image	Note
TS22: vertebral axis musculature	Present	Regionally restricted	5A	Present in developing skeletal muscle, including those in the neck and the intercostal muscles. Expression in most muscles is more intense at the periphery of the muscle. Fgf6 is present in lesser amounts than Fgfr4.
TS22: tongue muscle	Present		5A
TS22: head	Present	Regionally restricted	5A	Present in the jaw muscles.

Structure	Level	Pattern	Image	Note
TS22: vertebral axis musculature	Present	Regionally restricted	5C , 5E	Present in developing skeletal muscle. Expression in most muscles is more intense at the periphery of the muscle. Fgf6 is present in lesser amounts than Fgfr4.
TS22: tongue muscle	Present		5E , 5C

Structure	Level	Pattern	Image	Note
TS22: tongue muscle	Present	Regionally restricted	6A/B	Expression is present in the skeletal muscle of the tongue but absent from the superficial muscle layer and the fibers surrounding the tongue. Fgf6 is present in lesser amounts than Fgfr4.

Structure	Level	Pattern	Image	Note
TS22: heart	Absent
TS22: elbow mesenchyme	Present	Regionally restricted		Expression is absent in the smooth muscle.
TS22: vertebral axis musculature	Present	Regionally restricted		Present in the developing pelvic muscles.

Structure	Level	Pattern	Image	Note
TS24: axial muscle	Present			Expression begins to decrease compared to previous stages.
TS24: heart	Absent
TS24: embryo mesenchyme	Present	Regionally restricted		Expression is absent in the smooth muscle.