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Fig. 6 | Frontiers in Zoology

Fig. 6

From: Support for a radiation of free-living flatworms in the African Great Lakes region and the description of five new Macrostomum species

Fig. 6

Micrographs of reproductive structures of Macrostomum crassum. Brackets denote accessions of deposited specimens, with MTP LS 2644 being the HOLOTYPE. a Ripe testis (MTP LS 2644). b Female antrum (MTP LS 2644). c Ripe ovary (MTP LS 2644). d Merged image of the stylet and vesicula granulorum (MTP LS 2521). e Several sperm among tissue debris, the arrow indicates the anterior region of a sperm (MTP LS 2644). f Overview of the male system (from left to right): false seminal vesicle, muscular true seminal vesicle, and vesicula granulorum (MTP LS 2521). Scale bars indicate 20 μm

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Frontiers in Zoology

ISSN: 1742-9994