Antibody:	anti-Lin28 (ab46020)
Detection system:	Biotinylated secondary antibody/[Strept]avidin coupled to horseradish peroxidase

Structure	Level	Pattern	Image	Note
TS19: mandibular process	Strong	Regionally restricted	1C	Expression is in the dental epithelium.
TS19: oral epithelium	Strong	Regionally restricted	1C	Expression is in the dental epithelium.

Structure	Level	Pattern	Image	Note
TS21: enamel organ	Present		1D
TS21: lower jaw molar	Present		1D
TS21: lower jaw molar mesenchyme	Present	Regionally restricted	1D	Expression is in the mesenchyme underlying the enamel organ.
TS21: tooth bud	Present	Regionally restricted	1D

Structure	Level	Pattern	Image	Note
TS22: cap stage tooth	Present		1E
TS22: primary enamel knot	Present		1E
TS22: stellate reticulum	Present		1E
TS22: lower jaw molar dental follicle	Present		1E
TS22: lower jaw molar epithelium	Present		1E

Structure	Level	Pattern	Image	Note
TS24: early bell stage tooth	Present		2B , 2A
TS24: inner enamel epithelium	Present		2B , 2A
TS24: lower jaw molar enamel organ	Present		2B , 2A
TS24: outer enamel epithelium	Present		2B , 2A
TS24: stellate reticulum	Present		2B , 2A
TS24: stratum intermedium	Present		2B , 2A

Structure	Level	Pattern	Image	Note
TS26: inner enamel epithelium	Present		2C , 2D
TS26: late bell stage tooth	Present		2C , 2D
TS26: lower jaw molar enamel organ	Present		2C , 2D
TS26: outer enamel epithelium	Present		2C , 2D
TS26: secondary enamel knot	Present		2C , 2D
TS26: stratum intermedium	Present		2C , 2D

Structure	Level	Pattern	Image	Note
TS27: lower jaw molar enamel organ	Strong	Regionally restricted	3B , 3A , 3C	Expression is in the secretory and mature ameloblasts.
TS27: molar dental pulp	Strong	Regionally restricted	3A , 3B , 3C	Expression is in odontoblasts including odontoblastic bodies and processes.
TS27: enamel	Present		3A , 3B , 3C
TS27: predentin	Absent		3A , 3C , 3B

Structure	Level	Pattern	Image	Note
TS28: lower jaw molar enamel organ	Strong	Regionally restricted	3D , 3E , 3F	Expression is in the secretory and mature ameloblasts.
TS28: molar dental pulp	Strong	Regionally restricted	3F , 3E , 3D	Expression is in odontoblasts including odontoblastic bodies and processes.
TS28: enamel	Present		3F , 3E , 3D
TS28: dentin	Absent		3D , 3F , 3E

Structure	Level	Pattern	Image	Note
TS28: molar dental pulp	Present	Regionally restricted	4B , 4C , 4A	Expression is in odontoblasts including odontoblastic bodies and processes.
TS28: lower jaw molar epithelium	Present	Regionally restricted	4A , 4C	Expression is in the reduced dental epithelium.

Structure	Level	Pattern	Image	Note
TS28: molar dental pulp	Present	Regionally restricted	4D , 4E , 4F	Expression is in odontoblasts including odontoblastic bodies and processes and in dental pulp cells.
TS28: periodontal ligament	Strong		4D
TS28: blood vessel endothelium	Present		4F , 4E , 4D