Probe:	Mir200b probe1
Probe preparation:	Antisense labelled with digoxigenin RNA

Structure	Level	Pattern	Image	Note
TS21: palatal shelf	Present	Widespread	1a	Expression throughout anterior-posterior axis of palatal shelves.
TS21: palatal rugae	Present		1a

Structure	Level	Pattern	Image	Note
TS22: palatal shelf epithelium	Present	Widespread	1b	Expression throughout anterior-posterior axis of palatal epithelium.
TS22: palatal rugae	Present		1b

Structure	Level	Pattern	Image	Note
TS21: palatal shelf epithelium	Present	Widespread	1c' , 1c	Expression in all palatal epithlium including palatal ridges.
TS21: palatal shelf mesenchyme	Present		1c , 1c'

Structure	Level	Pattern	Image	Note
TS22: palatal shelf epithelium	Present	Regionally restricted	1d' , 1d	Expression in palatal epithelial lining of oral cavity side, but not epithelial lining of nasal side. Expression in non-transitional epithelial island of midline epithelial seam.

Structure	Level	Pattern	Image	Note
TS21: palatal shelf epithelium	Present		S1a	Before palatal contact, expression in palatal epithelium.

Structure	Level	Pattern	Image	Note
TS22: palatal shelf epithelium	Present	Regionally restricted	S1b	After palatal contact, expresion in overall epithelium lining of oral cavity side, in epithelium of nasal cavity near midline epithelial seam (MES) and in MES.

Structure	Level	Pattern	Image	Note
TS22: palatal shelf epithelium	Present	Regionally restricted	S1c	During degeneration of midline epithelial seam (MES), expression in remaining MES and in epithelium lining of oral cavity side.

Structure	Level	Pattern	Image	Note
TS21: nasal septum epithelium	Present		S1d

Structure	Level	Pattern	Image	Note
TS22: nasal septum	Absent		S1e	No expression in nasal septum after palatal fusion.