Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology 661lives part or all of its life in or on the body of another livingorganism (host), obtaining nutriment from the latter, orexerting other harmful influence upon it. parasitic a. seeparasitoid.parasitic castration Pertaining to the suppression or destructionof gonads by parasites; first used regarding Crustacea;individual parasitic castration. see social parasitic castration.parasiticide a. [Gr. para, beside; sitos, food; L. caedare, tokill] Distructive to parasites; parasiticidal.parasitism n. [Gr. para, beside; sitos, food] A form of symbiosisin which the symbiont benefits from the association andcauses detriment to the host.parasitization n. [Gr. para, beside; sitos, food] The act of anorganism taking food from the body of another organism(host) for the completion of its life cycle; usually detrimentalto the host.parasitoid n. [Gr. para, beside; sitos, food; eidos, form] 1.Any organism that is typically parasitic in its development,but kills the host during or at the completion of its development.2. Also used as an adjective to describe this modeof life. 3. Alternately free-living and parasitic.parasitology n. [Gr. para, beside; sitos, food; logos, discourse]The study of parasites.parasitophorous vacuole A vacuole within a host cell containinga parasite.parasocial a. [Gr. para, beside; socius, companion] (ARTHRO:Insecta) Referring to forms that show one or more of thefollowing traits: cooperation in care of the young, reproductivedivision of labor, and overlapping of life stages thatcontribute to colony labor. see presocial.parastipes see subgaleaparasulcate folding (BRACHIO) With a sulcus on either side ofthe median fold of the brachial valve.parasymbiosis see neutralismparasyndesis n. [Gr. para, beside; syndesis, binding together]Parasynapsis; union of chromosomes side-to-side in the