Probe:	Fgf18 probe6
Probe preparation:	Antisense labelled with digoxigenin RNA
Visualized with:	Alkaline phosphatase

Structure	Level	Pattern	Image	Note
TS17: tail unsegmented mesenchyme	Absent		2C

Structure	Level	Pattern	Image	Note
TS15: midbrain-hindbrain junction	Weak		3C	Authors state that expression in the midbrain/hindbrain region appears later and at lower levels than for Fgf8 (see assay MGI:5441284)
TS15: dorsal root ganglion	Present	Regionally restricted	3C
TS15: otocyst	Present	Regionally restricted	3C
TS15: trigeminal preganglion	Present	Regionally restricted	3C
TS15: foregut	Absent		3C
TS15: nasal process	Absent		3C
TS15: nose	Absent		3C

Structure	Level	Pattern	Image	Note
TS17: forelimb bud	Present	Regionally restricted	4_E10.5 Dorsal
TS17: forelimb bud apical ectodermal ridge	Absent		4_E10.5 Dorsal

Structure	Level	Pattern	Image	Note
TS17: forelimb bud	Present	Regionally restricted	4_E10.5 Ventral
TS17: forelimb bud apical ectodermal ridge	Absent		4_E10.5 Ventral

Structure	Level	Pattern	Image	Note
TS19: forelimb bud	Present	Regionally restricted	4_E11.5 Dorsal
TS19: handplate apical ectodermal ridge	Absent		4_E11.5 Dorsal

Structure	Level	Pattern	Image	Note
TS19: forelimb bud	Present	Regionally restricted	4_E11.5 Ventral
TS19: handplate apical ectodermal ridge	Absent		4_E11.5 Ventral

Structure	Level	Pattern	Image	Note
TS20: forelimb	Present	Regionally restricted	4_E12.5 Dorsal	Authors state that the pattern of expression suggest a role in muscle or tendon development.

Structure	Level	Pattern	Image	Note
TS20: forelimb	Present	Regionally restricted	4_E12.5 Ventral	Authors state that the pattern of expression suggest a role in muscle or tendon development.

Structure	Level	Pattern	Image	Note
TS21: forelimb	Present	Regionally restricted	4_E13.5 Dorsal

Structure	Level	Pattern	Image	Note
TS21: forelimb	Present	Regionally restricted	4_E13.5 Ventral	Authors state that the pattern of expression suggest a role in muscle or tendon development.

Structure	Level	Pattern	Image	Note
TS22: forelimb	Present	Regionally restricted	4_E14.5 Dorsal	Authors state that the pattern of expression suggest a role in muscle or tendon development.

Structure	Level	Pattern	Image	Note
TS22: forelimb	Present	Regionally restricted	4_E14.5 Ventral	Authors state that the pattern of expression suggest a role in muscle or tendon development.