10 Digestive system Mechanical papillae
Keratinised spine
Orally located Aborally located supportive papilla primary papilla
Connective tissue base Mechanical lingual papilla (filiform papilla), cat. Mallory stain; x40.
Capillary network in keratinised spine
Capillary network in primary papilla
Capillary network Filiform papilla in connective (mechanical lingual tissue base papilla), cat. Injected specimen, rat; x180.
Stratum corneum (weakly keratinised )
Stratum spinosum
Stratum basale
Connective tissue core Filiform papilla (mechanical lingual papilla), cat. H.E. stain; x200. 10 Digestive system Mechanical papillae
Threads of keratinised epithelium
Stratified squamous epithelium
Connective tissue core in lamina propria mucosae
Tela submucosa with lingual glands
Intrinsic muscle of tongue (cross section)
Filiform papillae (mechanical lingual papillae), dog. van Gieson stain; x120.
Keratinised process
Stratified squamous epithelium
Connective tissue core in lamina propria mucosae
Tela submucosa with adipose tissue
Filiform papillae (mechanical lingual papillae), dog. H.E. stain; x120.
Nonkeratinised stratified squamous epithelium
Primary papilla
Lamina propria mucosae with underlying tela submucosa and intrinsic muscle of tongue
Marginal papillae (mechanical lingual papillae), young dog. H.E. stain; x120. 10 Digestive system Mechanical papillae
Marginal papilla with weakly keratinised stratified squamous epithelium
Connective tissue core in lamina propria
Primary papilla
Lamina propria mucosae with underlying tela submucosa and intrinsic muscle of tongue
Marginal papillae (mechanical lingual papillae), pig. H.E. stain; x120.
Keratinised spine
Stratum superficiale of stratified squamous epithelium Deep layers of stratified squamous epithelium
Connective tissue core in lamina propria mucosae with marked papillation
Filiform papilla (mechanical lingual papilla), ox. H.E. stain; x120.
Weakly keratinised squamous epithelium
Stratum superficiale of stratified squamous epithelium
Deep layers of stratified squamous epithelium
Filiform papillae (mechanical lingual papilla), horse. H.E. stain; x120. 10 Digestive system Gustatory papillae
Foliate papillae
Intrinsic muscle of tongue (longitudinal and Serous gland oblique sections)
Intrinsic muscle of tongue (cross section)
Foliate papillae (gustatory lingual papillae), rabbit. Azan stain; x30.
Stratum superficiale of stratified squamous epithelium
Deep layers of stratified squamous epithelium
Taste bud
Taste bud
Connective tissue core
Lamina propria mucosae Foliate papillae (gustatory lingual papillae), rabbit. Azan stain; x180.
Deep layers of stratified squamous epithelium
Dense nucleus of supporting cell Round nucleus of sensorycell
Taste pore (partial section) Dense nucleus of supporting cell
Round nucleus of sensory cell Connective tissue core
Lamina propria mucosae lingual (gustatory papillae Foliate papillae (gustatory lingual x400. stain; Azan rabbit. papillae), rabbit. Azan stain; x400. 10 Digestive system Gustatory papillae
Stratified squamous epithelium
Taste buds
Lamina propria mucosae of foliate papilla
Tubuloacinar, serous glands (von Ebner's glands) with secretory duct (partial section)
Foliate papilla (gustatory lingual papilla), horse. H.E. stain; x40.
Stratified squamous epithelium
Taste bud
Taste bud
Lamina propria mucosae of foliate papilla
Foliate papilla (gustatory lingual papilla), horse. H.E. stain; x200.
Keratinised stratified squamous epithelium with taste buds
Surface epithelium of tongue
Connective tissue core in lamina propria mucosae
Lamina propria mucosae of fungiform papilla
Fungiform papilla (gustatory lingual papilla), pig. Azan stain; x120. 10 Digestive system Gustatory papillae
Mucosal epithelium (surface of tongue)
Lamina propria mucosae
Taste buds
Tubuloacinar serous glands (Ebner's glands)
Vallate papilla (gustatory lingual papilla), cat. H.E. stain; x120.
Keratinised stratifiedmucosal epithelium (surface of tongue)
Connective tissue core of vallate papilla Lamina propria mucosae
Secretory ducts of glands
Tubuloacinar serous glands (Ebner's glands) Intrinsic muscle of tongue Tubuloacinar serous glands (Ebner's glands)
Vallate papillae (gustatory lingual papillae), goat. H.E stain; x30.
Keratinised stratified mucosal epithelium (surface of tongue) with taste buds
Desquamated epithelial cells and glandular secretion
Lamina propria mucosae
Secretory ducts of glands
Intrinsic muscle of tongue and tubuloacinar serous glands (Ebner's glands)
Vallate papilla (gustatory lingual papilla), horse. H.E. stain; x120.