Antibody:	anti-Phospho-p44/42 MAP Kinase (Thr202/Tyr204) antibody (#9101)
Detection system:	Biotinylated secondary antibody/[Strept]avidin coupled to horseradish peroxidase
Assay notes:	Antibody recognizes the phosphorylated form of both Mapk1 (MGI:1346858) and Mapk3 (MGI:1346859); both genes have been annotated.

Structure	Level	Pattern	Image	Note
TS19: tongue	Present	Regionally restricted		Expression localized to a limited subset of cells in the tongue epithelium and mesenchyme.

Structure	Level	Pattern	Image	Note
TS21: oral region	Strong	Regionally restricted	1A	Expression localized to a limited subset of cells in the tongue epithelium and mesenchyme.
TS21: oral epithelium	Strong		1A
TS21: tongue epithelium	Present		1A
TS21: tongue mesenchyme	Present		1A

Structure	Level	Pattern	Image	Note
TS21: palatal shelf epithelium	Present	Regionally restricted	1B	Expression in palatal epithelium, especially in buccal portion of epithelium. except for medial edge epithelium (MEE) region.
TS21: palatal shelf mesenchyme	Present		1B

Structure	Level	Pattern	Image	Note
TS21: tongue extrinsic pre-muscle mass	Present	Regionally restricted	1C

Structure	Level	Pattern	Image	Note
TS21: tooth epithelium	Weak		1D
TS21: tooth mesenchyme	Weak		1D

Structure	Level	Pattern	Image	Note
TS22: oral region	Present	Regionally restricted	1E	Expression in the oral mucosa epithelium and mesenchymal area.
TS22: tongue epithelium	Present		1E
TS22: tongue mesenchyme	Present		1E

Structure	Level	Pattern	Image	Note
TS22: palatal shelf epithelium	Strong		1F
TS22: palatal shelf mesenchyme	Present		1F

Structure	Level	Pattern	Image	Note
TS22: Meckel's cartilage	Present	Regionally restricted	1G	Expression in lingual part of perichondrium of Meckel's cartilage.

Structure	Level	Pattern	Image	Note
TS22: tooth epithelium	Present		1H
TS22: tooth mesenchyme	Present		1H

Structure	Level	Pattern	Image	Note
TS23: oral region	Present	Regionally restricted	1I	Expression in the oral mucosa epithelium and mesenchymal area.
TS23: oral epithelium	Present		1I

Structure	Level	Pattern	Image	Note
TS23: palatal shelf epithelium	Present	Regionally restricted	1J

Structure	Level	Pattern	Image	Note
TS23: Meckel's cartilage	Present	Regionally restricted	1K	Expression thoughout the perichondrium of Meckel's cartilage.

Structure	Level	Pattern	Image	Note
TS23: tooth epithelium	Strong	Regionally restricted	1L	Strong expression in the inner dental epithelium and cervical loop.
TS23: cervical loop	Strong		1L
TS23: dental sac	Strong		1L

Structure	Level	Pattern	Image	Note
TS24: oral region	Present	Regionally restricted	1M	Expression restricted to the oral mucosa.

Structure	Level	Pattern	Image	Note
TS24: palate epithelium	Strong	Regionally restricted	1N	Elevated expression localized to nasal part of the palatal epithelium.
TS24: hard palate	Present		1N	Expression in palatal bone.

Structure	Level	Pattern	Image	Note
TS24: oral epithelium	Present		1O

Structure	Level	Pattern	Image	Note
TS24: tooth epithelium	Strong	Scattered	1P	Strong expression in inner dental epithelium and in cervical loop.
TS24: cervical loop	Strong		1P
TS24: dental sac	Present		1P

Structure	Level	Pattern	Image	Note
TS24: fungiform papillae	Present		1Q
TS24: tongue epithelium	Present		1Q
TS24: tongue mesenchyme	Present		1Q

Structure	Level	Pattern	Image	Note
TS24: tooth epithelium	Present	Regionally restricted	1R	Expression in the inner dental epithelium and in the cervical loop.
TS24: cervical loop	Present		1R
TS24: dental sac	Present		1R