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glochidium
noun pl. glochidia
- Bot. a barbed hair or bristle, as on certain cactuses or on the spore masses of ferns
- Zool. the parasitic larval stage of freshwater mussels (family Unionidae) which infests the gills, etc. of many fishes
Related Forms:
- glochidiate adjective
See glochidium in American Heritage Dictionary 4
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