Antibody:	anti-cytokeratin 8 [EP1628Y] (ab192467)
Detection system:	Secondary antibody coupled to Alexa Fluor 488

Structure	Level	Pattern	Image	Note
TS17: respiratory tract epithelium	Strong	Regionally restricted	2A	Strong expression in pseudostratified columnar epithelial progenitors in laryngopharyngeal region.

Structure	Level	Pattern	Image	Note
TS19: respiratory tract epithelium	Strong	Regionally restricted	2E	Strong expression in single layer of cuboidal epithelial progenitors in vocal fold lamina.

Structure	Level	Pattern	Image	Note
TS21: larynx	Present	Regionally restricted	2I	Expression in epithelial lamina of vocal fold.

Structure	Level	Pattern	Image	Note
TS23: larynx	Present	Regionally restricted	2M	Expression primarily in apical cell layer.

Structure	Level	Pattern	Image	Note
TS24: larynx	Present	Regionally restricted	2Q	Expression primarily in apical cell layer.

Structure	Level	Pattern	Image	Note
TS26: vocal folds	Ambiguous		2U	Expression almost disappears from apical layers in postnatal stages and adulthood.

Structure	Level	Pattern	Image	Note
TS28: vocal folds	Ambiguous			Expression almost disappears from apical layers in postnatal stages and adulthood.

Structure	Level	Pattern	Image	Note
TS27: vocal folds	Strong	Regionally restricted	8B , 8A	Strong uniform expression expression in apical layer composed of suprabasal cells. No expression in basal layer. No expression in mesenchyme.

Structure	Cell Type	Level	Pattern	Image	Note
TS27: vocal folds	epithelial cell	Strong	Regionally restricted	8F , 8E	Strong expression in all epithelial cells. Exprssion in single layer of progenitors lining partially open vocal fold, and multilayered epitheliujm obstructing vocal fold lumen. Expression also present in mesenchyme.