Probe:	Fras1 probe1
Probe preparation:	Antisense labelled with digoxigenin RNA

Structure	Level	Pattern	Image	Note
TS24: digit skin	Strong	Regionally restricted	1J	Prominent expression in skin regions corresponding to developing digits.
TS24: digit epidermis	Present		1J	Expression exclusively in the epidermal epithelium.
TS24: digit dermis	Absent		1J

Structure	Level	Pattern	Image	Note
TS22: eyelid	Strong	Regionally restricted	1K	Prominent expression in skin regions corresponding to eyelids.
TS22: eyelid epithelium	Present		1K	Expression exclusively in epidermal layer.
TS22: eyelid mesenchyme	Absent		1K

Structure	Level	Pattern	Image	Note
TS22: eyelid	Strong	Regionally restricted	1L	Prominent expression in skin regions corresponding to eyelids.
TS22: eyelid epithelium	Present		1L	Expression exclusively in epidermal layer.
TS22: eyelid mesenchyme	Absent		1L

Structure	Level	Pattern	Image	Note
TS26: epidermis	Present	Regionally restricted	2H	Expression restricted to basal keratinocytes in epidermal layer.

Structure	Level	Pattern	Image	Note
TS24: hair follicle	Present	Regionally restricted	4B	Expression strictly restricted to epithelial epidermal keratinocytes.

Structure	Level	Pattern	Image	Note
TS23: tooth epithelium	Present		4F
TS23: tooth mesenchyme	Absent		4F

Structure	Level	Pattern	Image	Note
TS22: lung epithelium	Present	Regionally restricted	5C	Expression in airway epithelia.
TS22: lung mesenchyme	Absent		5C
TS22: visceral pleura	Present		5C	Expression in mesothelium of visceral pleura.

Structure	Level	Pattern	Image	Note
TS22: metanephros epithelium	Present	Regionally restricted	5G	Expression in branching renal epithelia.
TS22: urothelium of ureter	Present	Regionally restricted	5G	Expression in branching renal epithelia.
TS22: mesenchyme of metanephros	Absent		5G	No expression in surrounding mesenchyme.

Structure	Level	Pattern	Image	Note
TS22: intestine epithelium	Present		5K
TS22: mesothelium	Present		5K