parasite (par'ah-sit). 1

An animal or plant living and subsisting within some ti ue or organ, or upon some surface, of another animal or plant. 2. See fetus in fetu.the accidental having habits, but p's. Internal p's not referable to the cla , of Entozoa. The following are included in this cla in the nomenclature of the Royal College of Physicians of London: Pent a stoma denticulatum, Pent a stoma constrictum, Estrus hominis, and Anthomyia canicular is. endophytic p. A p. living in the ti ues and organs of its host, epiphytic p. A p. living on the surface of the skin and mucous membranes of the host, external p. See ectoparasite, facultative p, 1. A p. that is not confined to any particular animal organism. 2. A p. which can only satisfy the conditions of its life in the animal organism, but which neverthele leaves it at a certain period of its existence, false p. See pseudo parasite. internal p. See endoparasite. obligatory p. sist Of away Def rom Bary, its ahost, p. that cannot sub occasional p. A p. that can subsist away from its host, but has a morbid preference for it. p's, how to find in stool, see in appendix, page 906. strict p. A p. that grows only in or on its host or in artificial media kept at a suitable temperature. [Gr., parasitos, lit., one who eats with another, from para, beside, + sitos, food.]