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Anatomy Atlases: Atlas of Microscopic Anatomy: Section 1 - Cells Atlas of Microscopic Anatomy: Section 2: Epithelial Tissue

Plate 2.23: Stratified Columnar Epithelium

Mucous gland duct tongue

Ronald A. Bergman, Ph.D., Adel K. Afifi, M.D., Paul M. Heidger, Jr., Ph.D.
Peer Review Status: Externally Peer Reviewed

Mucous gland duct tongue

 Plate 2.23: Stratified Columnar Epithelium

Human, Zenker's fluid,
iron hematoxylin & carmine stain, 1416 x.

Columnar cell: Columnar cells form the superficial layer of the stratified columnar epithelium.

Basal cell: These cells are irregularly polyhedral and form the deep layers of this stratified epithelium.

Terminal bars: Darkly stained, thickened zone is the specific attachment site of the lateral surface of adjacent superficial columnar cells (so-called junctional complex from electron microscopic studies).

Collagen: A component of the connective tissue stroma.

Plasma cell: Eccentrically placed, prominent and structurally characteristic nucleus in an abundant basophilic cytoplasm. Plasma cells produce antibodies. (See also Plates 29 and 198.)

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