GI Sequence – Histology Oral region and Salivary Glands January 4, 2010.

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Presentation transcript:

GI Sequence – Histology Oral region and Salivary Glands January 4, 2010

# 114, Lip Human Orbicularis oris muscle Labial salivary glands #114: human, H&E 114 Monkey 114 Human,trichrome

Lining oral mucosa salivary glands Vermillion border of the lip dilated venules and veins Orbicularis oris muscle #114M (monkey) #114 (human)

Slide 115 Vestibule Oral cavity Oral cavity proper #115 Fetal Palate, H&E and Trichrome

Masticatory Mucosa (gingiva) ?1?1 ?3?3 Enamel Dentin: dentinal tubules ?2?2 Epithelial attachment #122-2 ?4?4 Masticatory mucosa

Filiform papillae Fungiform papilla #116 H&E

Circumvallate papilla von Ebner’s gland Taste bud #117 H&E ?2?2 ?1?1

Taste buds von Ebner’s glands Circumvallate Papilla #117N

#117N Circumvallate papilla with taste buds and von Ebner’s gland

#122 Trichrome

#122 Periodontal membrane and Sharpey’s fibers

#122

Dentin and dentinal tubules Odontoblasts ?1?1 ?2?2

#122 ?2?2 ?1?1 Periodontal ligament (membrane) Sharpey’s fibers)

Acellular cementum Cellular cementum #122 PAS

#123 Devel. tooth

Submandibular gland Sublingual gland #183-1 #185-2 ?1?1 ?2?2

Serous acinus Mucous acinus Serous demilune #183-1 ?1?1 ?2?2 ?3?3

Mucicarmine Stain #183-2: Submandibular gland #185A: Sublingual gland

#180-1

Intercalated duct Intercalated duct leading to Striated duct.

Striated Duct Cells

Intralobular Striated duct Interlobular excretory duct

#183-1 Interlobular ducts Intralobular ducts ?1?1 ?2?2