The chromaffin and interrenal cells of Acanthobrama terrae-sanctae (Cyprinidae, Teleostei)

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The interrenal and the chromaffin cells of Acanthobrama terrae-sanctae are situated around the veins passing through the head kidney. 3β- and 11β-hydroxysteroid dehydrogenases were demonstrated in the interrenal cells. Using Wood's method, norepinephrine was detected in the chromaffin cells of the head kidney. Reserpine treatment caused the depletion of stained material from the chromaffin cells. Dexamethasone treatment caused degenerative changes in the interrenal cells. Accordingly, this steroid may be used for experimental induction of interrenal hypofunction. Annual changes in histological features of the interrenal cells were studied. The highest mean diameter of cells and nuclei was found to coincide with vitellogenic activity in the ovary. The possible interactions between the ovary and the interrenal cells are discussed.

Original languageEnglish
Pages (from-to)542-550
Number of pages9
JournalGeneral and Comparative Endocrinology
Issue number3
StatePublished - Jun 1970


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