Antibody:	ITM2A Polyclonal Antibody
Detection system:	Secondary antibody coupled to Alexa Fluor 568

Structure	Level	Pattern	Image	Note
TS17: oral epithelium	Absent		5A

Structure	Level	Pattern	Image	Note
TS20: oral epithelium	Absent		5E , 5B

Structure	Level	Pattern	Image	Note
TS21: oral epithelium	Absent		5C

Structure	Level	Pattern	Image	Note
TS22: oral epithelium	Absent		5F , 5D

Structure	Level	Pattern	Image	Note
TS23: outer enamel epithelium	Strong		6A
TS23: inner enamel epithelium	Weak		6A
TS23: primary enamel knot	Absent		6A
TS23: dental sac	Strong		6A
TS23: dental papilla	Absent		6A
TS23: blood vessel	Present	Regionally restricted	6A	Expressed in the blood vessels in the dental papilla.

Structure	Level	Pattern	Image	Note
TS24: enamel organ	Strong	Regionally restricted	6B , 6F , 6E	Expressed in the outer enamel epithelium (increased expression on the buccal side) and inner enamel epithelium.
TS24: dental papilla	Absent		6E , 6B , 6F
TS24: blood vessel	Present	Regionally restricted	6E , 6B , 6F	Expressed in the blood vessels in the dental papilla.

Structure	Level	Pattern	Image	Note
TS25: outer enamel epithelium	Present	Regionally restricted	6C	Expressed on both the buccal and lingual sides.
TS25: inner enamel epithelium	Present		6C
TS25: enamel organ	Present	Regionally restricted	6C	Expression in the region near the cervical loop was weaker than that in the other regions at the presumptive cusp sites.
TS25: dental sac	Present		6C
TS25: dental papilla	Absent		6C
TS25: blood vessel	Present	Regionally restricted	6C	Expressed in the blood vessels in the dental papilla.

Structure	Level	Pattern	Image	Note
TS26: enamel organ	Present	Regionally restricted	6D , 6G	Expressed in the outer enamel epithelium and inner enamel epithelium. Expression in the region near the cervical loop was weaker than that in the other regions at the presumptive cusp sites.
TS26: dental sac	Present		6G , 6D
TS26: dental papilla	Absent		6D , 6G
TS26: blood vessel	Present	Regionally restricted	6G , 6D	Expressed in the blood vessels in the dental papilla.

Structure	Level	Pattern	Image	Note
TS27: inner enamel epithelium	Present
TS27: outer enamel epithelium	Present
TS27: enamel organ	Present	Regionally restricted	7A	Expressed in the outer enamel epithelium and inner enamel epithelium. Expression in the region near the cervical loop was weaker than that in the other regions at the presumptive cusp sites.
TS27: dental sac	Present		7A
TS27: dental papilla	Absent		7A
TS27: blood vessel	Present	Regionally restricted	7A	Expressed in the blood vessels in the dental papilla.

Structure	Level	Pattern	Image	Note
TS27: enamel organ	Strong	Regionally restricted	7B , 7D , 7E	Expressed in ameloblasts and odontoblasts. Reduced expression in the outer enamel epithelium.
TS27: dental papilla	Absent		7B , 7E , 7D
TS27: blood vessel	Present	Regionally restricted	7D , 7B , 7E	Expressed in the blood vessels in the dental papilla.

Structure	Level	Pattern	Image	Note
TS27: enamel organ	Strong	Regionally restricted	7C	Expressed in ameloblasts and odontoblasts.
TS27: jaw bone	Strong	Regionally restricted	7C	Expressed in the osteoblasts of the bone tissue surrounding the tooth germ.
TS27: dental papilla	Absent		7C
TS27: blood vessel	Present	Regionally restricted	7C	Expressed in the blood vessels in the dental papilla.

Structure	Level	Pattern	Image	Note
TS27: enamel organ	Strong	Regionally restricted	8A	Expressed in ameloblasts and odontoblasts.
TS27: jaw bone	Strong	Regionally restricted	8A	Expressed in the osteoblasts of the bone tissue surrounding the tooth germ.
TS27: dental papilla	Absent		8A
TS27: blood vessel	Present	Regionally restricted	8A	Expressed in the blood vessels in the dental papilla.

Structure	Level	Pattern	Image	Note
TS28: enamel organ	Strong	Regionally restricted	8B	Expressed in ameloblasts and odontoblasts.
TS28: jaw bone	Strong	Regionally restricted	8B	Expressed in the osteoblasts of the bone tissue surrounding the tooth germ.
TS28: dental papilla	Absent		8B
TS28: blood vessel	Present	Regionally restricted	8B

Structure	Level	Pattern	Image	Note
TS28: enamel organ	Strong	Regionally restricted	8D , 8F , 8E , 8C	Strong expression in the odontoblasts and ameloblasts.
TS28: Hertwig's epithelial root sheath	Present		8F , 8E , 8C , 8D
TS28: jaw bone	Strong	Regionally restricted	8E , 8D , 8C , 8F	Expressed in the osteoblasts of the bone tissue surrounding the tooth germ.
TS28: dental papilla	Absent		8E , 8F , 8D , 8C
TS28: blood vessel	Present	Regionally restricted	8C , 8F , 8D , 8E	Expressed in the blood vessels in the dental papilla.

Structure	Level	Pattern	Image	Note
TS28: liver	Present		S2A/B/C