Early cap stage in tooth development - human, embryo; low magnification

Stain: Azan. From top to bottom: top left vestibular groove with gland formation; stratified ectoderm with dark red rim of basal cells from which a dental lamina sprouts downwards into the dental crypt (bony cavity) (bottom right corner); bone stains dark blue; connective tissue/mesenchym stains light blue. Fibrous tooth follicle surrounding the developing odontogenic organ (enamel organ) including stellate reticulum and dense aggregate of mesenchymal cells.