Tongue Fungiform papilla Filiform papilla Stratified epithelium Lamina

Tongue Fungiform papilla Filiform papilla Stratified epithelium Lamina propria

Stratified squamus nonkeratinize epithelium Tongue Fungiform papilla Filiform papilla

Vertical muscles Tongue Transverse muscles Lamina propria mucosa epithelium

Tongue Vertical muscles Transverse mauscles

Foliate papilla Stratified squamus nonkeratinize epithelium Taste bud Lamina propria Excretory duct Von Ebner’s gland (serous)

Circumvallate papillae Squamous stratified epithelium Lamina Propria Taste buds Von Ebner gland Excretory duct

Cap stage of tooth development Dental lamina Dental follicle Stellate reticulum Outer enamel epithelium Inner enamel epithelium Dental papilla

Onset of root development Outer enamel epithelium ameloblasts enamel Stellate reticulum Inner enamel epithelium Enamel organ dentin odontoblasts mesenchyme Dental papilla predentin Epithelium sheath of Hertwig neck

Enamel organ ameloblasts Tooth enamel dentin predentin odontoblasts Dental papilla (dental pulp)

Dental pulp Tooth odontoblasts dentin predentin enameloblasts Enamel organ Stellate reticulum

Tooth Enamel organ ameloblasts enamel dentin predentin odontoblasts Dental pulp (mesenchymal cell)

Palatine tonsil T cell crypt Non keratinized squamous epithelium

Sublingual gland Serous demilune Mucous acinus Intercalated duct Intralobular duct Mucous cells

T cell Non keratinized squamous epithelium crypt Palatine tonsil

Germinal center Lymph nodule crypt Palatine tonsil

Parotid gland Serous aciunus Adipose tissue

Submandibular gland Mixed secretory portion (mucous tubules) Serous demilunes interlobular duct

Sublingual gland mucous acinus Serous acinus

Submandible Serous secretory portion Mucous secretory portion

Serous secretory portion

Palatine tonsil

epithelium Taste bud Foliate papilla Lamina propria

Serous secretory portion