Probe:	Fgf-8b cDNA
Probe preparation:	Antisense labelled with P33 RNA
Visualized with:	Autoradiography
Assay notes:	The probe used in this assay hybridizes to all known isoforms.

Structure	Level	Pattern	Image	Note
TS15: 1st branchial arch mandibular component ectoderm	Present		4A/B
TS15: 1st branchial arch maxillary component ectoderm	Present		4A/B

Structure	Level	Pattern	Image	Note
TS20: nasal cavity epithelium	Present		4D/E	Expression is present in the surface epithelium of the olfactory pit.

Structure	Level	Pattern	Image	Note
TS21: hindlimb epithelium	Present		4F/G

Structure	Level	Pattern	Image	Note
TS17: forelimb bud ectoderm	Present

Structure	Level	Pattern	Image	Note
TS19: hindlimb bud ectoderm	Present

Structure	Level	Pattern	Image	Note
TS22: limb skin	Absent

Structure	Level	Pattern	Image	Note
TS17: diencephalon	Present	Regionally restricted	5A/B	Expression is present in the rostral and caudal diencephalon.
TS17: infundibular recess of 3rd ventricle	Present		5A/B	Expression is present in the infundibulum.
TS17: hindbrain	Present	Regionally restricted	5A/B	Expression is present in the rostral metencephalon.
TS17: 1st branchial arch mandibular component ectoderm	Present		5A/B

Structure	Level	Pattern	Image	Note
TS17: telencephalon	Present		5C/D
TS17: diencephalon	Present	Regionally restricted	5C/D	Expression is present in the rostral and caudal diencephalon.
TS17: hindbrain	Present	Regionally restricted	5C/D	Expression is present in the rostral metencephalon.

Structure	Level	Pattern	Image	Note
TS20: telencephalon	Present
TS20: diencephalon	Present	Regionally restricted		Expression is present in the rostral and caudal diencephalon.
TS20: neurohypophysis infundibulum	Present
TS20: metencephalon	Present	Regionally restricted		Expression is present in the rostral metencephalon.

Structure	Level	Pattern	Image	Note
TS22: central nervous system	Absent
TS22: pituitary gland	Absent