Probe:	EphA6 cDNA1
Probe preparation:	Antisense labelled with S35 RNA

Structure	Level	Pattern	Image	Note
TS21: nasal cavity	Present	Regionally restricted	4E	Some upregulation of expression was seen in mesenchyme of the nasal cavity.
TS21: tongue mesenchyme	Weak	Widespread	4E

Structure	Level	Pattern	Image	Note
TS22: palatal shelf epithelium	Present	Regionally restricted	4F	Expression was detected in palatal epithelium of the oral cavity during fusion, but they were absent from the medial epithelial seam.
TS22: tongue mesenchyme	Weak	Widespread	4F
TS22: tongue	Present	Regionally restricted	4F	A marked upregulation of expression was observed in the inter-molar eminence of the tongue at E14.5.

Structure	Level	Pattern	Image	Note
TS23: palatal shelf epithelium	Absent		4G
TS23: oral epithelium	Strong	Regionally restricted	4G	There was strong localized expression in epithelium of the oral commissure at E15.5.
TS23: tongue mesenchyme	Weak	Widespread	4G

Structure	Level	Pattern	Image	Note
TS24: palate epithelium	Absent		4H
TS24: lens	Strong		4H
TS24: neural retina	Strong		4H
TS24: tongue mesenchyme	Weak	Widespread	4H

Structure	Level	Pattern	Image	Note
TS21: palatal shelf	Absent