FILIFORM PAPILLAE OF THE TONGUE      Stained with haematoxylin and eosin 1 - epithelium covering papilla       (stratified squamous keratinizing) 2 - keratinized layer of the epithelium 3 - core of the papilla (lamina propria       of the mucosa of dorsal surface of the tongue) 2 - tongue muscles
LEAF SHAPED PAPILLAE OF THE TONGUE      Stained with haematoxylin and eosin 1 - epithelium covering papilla       (stratified squamous nonkeratinizing) 2 - core of the papilla (lamina propria       of the mucosa of dorsal surface of the tongue) 3 - taste buds
CIRCUMVALLATE PAPILLAE OF THE TONGUE      Stained with haematoxylin and eosin 1 - epithelium covering papilla       (stratified squamous nonkeratinizing) 2 - core of the papilla (lamina propria       of the mucosa of dorsal surface of the tongue) 3 - taste buds
TOOTH      Nonstained 1 - enamel 2 - dentine 3 - Retcius lines 4 - dentine tubules
TOOTH DEVELOPMENT - ENAMEL ORGAN      Stained with haematoxylin and eosin 1, 3, 4 - enamel organ 1 - internal cells of the enamel organ       (these cells will be ameloblsats) 2 - dental papilla 3 - external cells of the enamel organ 4 - cells forming the main bulk of       the enamel organ (stellate reticulum) 5 - dental follicle 6 - epithelium of oral cavity
TOOTH DEVELOPMENT - FORMATION OF DENTAL TISSUES      Stained with haematoxylin and eosin 1 - ameloblasts (former external cells of the enamel organ) 2 - enamel 3 - dentine (predentine) 4 - odontoblasts (cells which covered the top of dental papilla) 5 - dental pulp (former dental papilla)
TOOTH DEVELOPMENT - FORMATION OF DENTAL TISSUES      Stained with haematoxylin and eosin 1 - ameloblasts 2 - enamel 3 - dentine (predentine) 4 - odontoblasts 5 - dental pulp   border between enamel and dentine   is marked with dot line