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Prefixes & Sufixes

The following list is by no means complete, but it may help in understanding some difficult terminology. The following abbreviations are used ; Gr., for the Greek ; L., for the Latin.
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Term Definition

(Gr., thread), nematocyst , thread-like structure of coelenterates.


(Or., young or recent), Neotropical , constituting a recent biogeographic region in the tropics.


(Gr., kidney), iiephridium , tubular excretory organ.


(L., not), non-irritant , not irritating.


(Gr. notos, The back), e.g. notochord.


(L., kernel or centre), nucleus , central portion of a cell.