Prefixes & Suffixes

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
nuc-

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

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

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

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

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

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