Probe:	Zeb1 cDNA1
Probe preparation:	Antisense labelled with digoxigenin RNA

Structure	Level	Pattern	Image	Note
TS21: perichondrium	Present	Regionally restricted	1a	Expression was detected in the lingual portion of the perichondrium of Meckel's cartilage.
TS21: cranial muscle	Present	Regionally restricted	1a	Expression was detected in the developing mylohyoid muscle fibers on the lingual side of the Meckel's cartilage.
TS21: Meckel's cartilage	Present	Regionally restricted	1a	Expression was detected in chondrocytes.

Structure	Level	Pattern	Image	Note
TS21: palatal shelf mesenchyme	Present		1b

Structure	Level	Pattern	Image	Note
TS21: hair follicle	Present	Regionally restricted	1c	Expression was detected in the mesenchyme of the developing hair follicle, but not in the hair germ.

Structure	Level	Pattern	Image	Note
TS22: Meckel's cartilage	Strong	Regionally restricted	1d	Strong expression was detected in the ventrolingual and dorsobuccal sides of the Meckel's cartilage. There was no expression in the chondrocytes in Meckel's cartilage.
TS22: mylohyoid	Present		1d

Structure	Level	Pattern	Image	Note
TS22: palatal shelf mesenchyme	Present		1e
TS22: palatal shelf epithelium	Absent		1e	There was no expression in the midline epithelial seam.

Structure	Level	Pattern	Image	Note
TS22: hair follicle	Strong	Regionally restricted	1f	In the superficial region of the hair follicle, strong expression was detected in the outer root sheath and adjacent mesenchyme. In the deep region of the hair follicle, expression was weak in the outer root sheath and stronger in the inner root sheath.

Structure	Level	Pattern	Image	Note
TS24: mylohyoid	Present		1g
TS24: Meckel's cartilage	Ambiguous		1g	There was no expression in the chondrocytes in Meckel's cartilage.

Structure	Level	Pattern	Image	Note
TS24: palate mesenchyme	Strong		1h
TS24: hard palate	Absent		1h	There was no expression in palatal bone region.

Structure	Level	Pattern	Image	Note
TS24: hair follicle dermal papilla	Strong		1i
TS24: hair root sheath	Strong		1i

Structure	Level	Pattern	Image	Note
TS21: tooth mesenchyme	Present		1s

Structure	Level	Pattern	Image	Note
TS21: tooth mesenchyme	Present		1t
TS21: tooth epithelium	Absent		1t

Structure	Level	Pattern	Image	Note
TS22: dental papilla	Strong		1u
TS22: dental sac	Weak		1u

Structure	Level	Pattern	Image	Note
TS24: dental papilla	Present		1v	Expression was more evident in the dental papilla than in the dental follicle.
TS24: dental sac	Present		1v	Expression was more evident in the dental papilla than in the dental follicle.