Before revision: Etymology First used in English in 1539, the word parasite comes from the Medieval French , from the Latin , the latinisation of the .σῖτος, Liddell, Henry George; Scott, Robert, A Greek–English Lexicon, on Perseus Digital Library The related term parasitism appears in English from 1611.σιτισμός, Liddell, Henry George; Scott, Robert, A Greek–English Lexicon, on Perseus Digital Library Evolutionary strategies Basic concepts Head (scolex) of tapeworm Taenia solium, an intestinal parasite, has hooks and suckers to attach to its host Parasitism is a kind of symbiosis, a close and persistent long-term biological interaction between a parasite and its host.
After revision: Etymology First used in English in 1539, the word parasite comes from the Medieval French , from the Latin , a latinisation .σῖτος, Liddell, Henry George; Scott, Robert, A Greek–English Lexicon, on Perseus Digital Library The related term parasitism appears in English from 1611.σιτισμός, Liddell, Henry George; Scott, Robert, A Greek–English Lexicon, on Perseus Digital Library Evolutionary strategies Basic concepts Head (scolex) of tapeworm Taenia solium, an intestinal parasite, has hooks and suckers to attach to its host Parasitism is a kind of symbiosis, a close and persistent long-term biological interaction between a parasite and its host.