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Observations on the mantle of the Northern Quahog, Mercenaria mercenaria L.
Hillman, R.E.; Shuster Jr., C.N. (1960). Observations on the mantle of the Northern Quahog, Mercenaria mercenaria L. Proceedings of the National Shellfisheries Association 51: 15-22
In: Proceedings of the National Shellfisheries Association. Economy Printing: Easton. ISSN 0077-5711, meer
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  • Hillman, R.E.
  • Shuster Jr., C.N.
Abstract
    Preliminary histo- and cytochemical studies on the mantle of Mercenaria mercenaria L. revealed a fourth fold of the mantle edge which produces a copious supply of mucus and may have a mantle-cleansing function. Transverse sections of the mantle were treated with toluidine blue and periodic acid-Schiff reagent. The G-Nadi reaction for cytochrome oxidase activity and the triphenyl tetrazolium chloride method for succinic dehydrogenase activity were carried out on whole fresh mantles. With toluidine blue 0, the epithelium of the mantle edge stained considerably darker than the epithelium of other areas of the mantle. Schiff-positive material was localized primarily in the connective tissue and around the groove between the sensory and muscular folds. Cytochrome oxidase activity was most marked in the central area enclosed by the pallial line and in the outer edges of the mantle folds. Succinic dehydrogrenase activity was most marked in the central region of the mantle and in the groove between the sensory and muscular folds.
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