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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 31 (1975), S. 1078-1080 
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary An invertebrate type of ovulation is described for the first time for an echinoderm. In this echinoderm, which is a crinoid, ovulation is the passage of maturing oocytes through temporary openings in the epithelium lining the ovary. After ovulation, which takes about 1 h, the oocytes lie free in the ovarian lumen; there they quickly finish maturing into ova which are spawned into the sea water.
    Type of Medium: Electronic Resource
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