Bud stage

Cap stage

Early bell stage

Warning

先Dentine 後 Enamel

Late/ Crown/ Advance bell stage

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Oral mucosa

labial mucosa

vermilion zone

Dermal papillae

Sublingual gland

Parotid gland

Submandibular gland

Serous demilune

myoepithelial cell

intercalated duct

striated duct

Excretory duct

pseudostratified columnar epithelium

Circumvallate papillae

Foliate papillae

Fungiform papillae

taste bud

Von ebner’s gland

Hard palate rugae

Hard palate

Filiform papillae

taste pore

Mucous gland

Serous gland

Serous gland