Venus (Japanese Journal of Malacology)
Online ISSN : 2433-0671
ISSN-L : 0042-3580
Comparative Vital Observations on the Atypical Spermatozoa of Cipangopaludina and Semisulcospira by Means of Fluorescence Microscopy
Shigeo YOSHIBA
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1961 Volume 21 Issue 4 Pages 476-487

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Abstract

Vital observations on the atypical spermatozoa of Cipangopaludina and Semisulcospira, treated with acridine orange, were carried out under the fluorescence microscope. They moved actively emitting a beautiful fluorescence for a long time (Plates 25, 26). Results of the observations are summarized in Table 1. Atypical spermatozoa, at present, are considered to have no fertilization ability. However, one of their functions, if they should exist, is presumably concerned to their powerful motility. From the observations in this experiment, it may be easily supposed that they might be helpful for the typical spermatozoa to be brought together with them in the female genital duct after the copulation.

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© 1961 The Malacological Soceity of Japan
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