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Histochemistry of the Reproductive Systems of Armadillidiuim Vulgare (Latreille) and Porcellionides Pruinosus (Brandt) (Isopoda)

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The ova of A. vulgare and P. pruinosus are characterized by the presence of perinuclear glycogen spherules and peripheral proteid yolk in A. vulgare. The follicle cells are not thought to be nutritive. The ovarian epithelium is rich in neutral mucopolysaccharide. The secretory nature of the androgenic gland is confirmed. The high alkaline phosphatase level indicates a probable merocrine type of secretion in the androgenic gland. The secretion is probably polypeptide or protein. Rather than being nutritive, the testicular nurse cells probably are involved in producing microtubules which surround the sperm. The giant cells of the seminal vesicle and vas deferens phagocytize the microtubules formed in the testis and secrete carbohydrate into the lumen.

Affiliations: 1: Ashtabula Campus, Kent State University, Ashtabula, Ohio 44004, U.S.A.


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