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Quarterly Journal of Microscopical Science, Vol s3-104, 23-37, Copyright © 1963 by Company of Biologists

The Cytology of the Digestive and Salivary Glands of the Limpet, Patella

D. PUGH 1

1 Biochemistry Department, Institute of Orthopaedics, Stanmore, Middlesex

As reported by earlier investigators, the epithelium of the digestive tubules is composed of two cell-types. One type of cell is glandular, the other type is absorptive and digestive, and to a lesser extent secretory. The latter type of cell also contains glycogen and numerous lipid globules, so that the digestive gland as a whole contains a large quantity of reserve food material. The epithelium of the digestive duct possesses a single cell-type; the cells are ciliated and heavily pigmented, and they produce a viscous secretion.

The salivary gland is a compound tubular gland. The cells elaborate a secretion containing protein and probably some carbohydrate.






© The Company of Biologists Ltd 1963