Abstract
Tissues from the gut and gill of walleyed pike, ranging in age from birth to one year, reared in tanks separate from mature fish, were examined with the electron microscope for rodlet cells. While these cells are thought to be intercellular parasites (Rhabdospora thelohani) by some investigators, the present study supports the view held by others that they are secretory cells of the fish. Mature and previously undescribed immature rodlet cells were examined.Mature rodlet cells contain a basal nucleus with a supranuclear Golgi and associated saccules and vesicles. Large club-shaped sacs, the narrow parts of which converge upon an opening in the apex of the cell, comprise much of the cytoplasm. The sacs contain a dense-staining amorphous “core” substance surrounded by less dense material.
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Schedule a callMore From: Proceedings, annual meeting, Electron Microscopy Society of America
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