Mucous gland duct tongue
Ronald A. Bergman, Ph.D., Adel K. Afifi, M.D., Paul M. Heidger,
Peer Review Status: Externally Peer Reviewed
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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