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Journal of Venomous Animals and Toxins including Tropical Diseases

On-line version ISSN 1678-9199


GARCIA-ARREDONDO, A et al. Structure of nematocysts isolated from the fire corals Millepora alcicornis and Millepora complanata (Cnidaria: Hydrozoa). J. Venom. Anim. Toxins incl. Trop. Dis [online]. 2012, vol.18, n.1, pp.109-115. ISSN 1678-9199.

Structural characteristics of discharged and undischarged nematocysts from the hydrozoans Millepora alcicornis and Millepora complanata, two fire corals collected in the Mexican Caribbean, were examined using transmission electron, scanning and light microscopy. In this study, we report for the first time images of the nematocysts found in these Mexican Caribbean venomous species. Two types of nematocysts were observed in both species, the more abundant identified as macrobasic mastigophore and the other a stenotele type. Macrobasic mastigophores were present in medium and large size classes while stenoteles appeared in only one size.

Keywords : hydrocoral; nematocysts; microscopy images; macrobasic mastigophore; stenotele.

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