| allergy and immunology | A medical specialty concerned with the hypersensitivity of the individual to foreign substances and protection from the resultant infection or disorder. (12 Dec 1998) |
|---|---|
| immunology | <study> A subfield of biology that deals with the study of antigens and the immuneprocess and how humans and higher animals fight off disease. (09 Oct 1997) |
| transplantation immunology | A general term for the complex phenomena involved in allo- and xenograft rejection by a host and graft vs host reaction. Although the reactions involved in transplantation immunology are primarily thymus-dependent phenomena of cellular immunity, humoral factors also play a part in late rejection. (12 Dec 1998) |
| autistic parasite | A parasite descended from the tissues of the host. Synonym: autochthonous parasite. (05 Mar 2000) |
| autochthonous parasite | A parasite descended from the tissues of the host. Synonym: autochthonous parasite. (05 Mar 2000) |
| malignant tertian malarial parasite | A species of protozoa that is the causal agent of falciparum malaria (malaria, falciparum). It is most prevalent in the tropics and subtropics. (12 Dec 1998) |
| parasite | <biology> An organism which obtains food and shelter from another organism (for example Giardia). (27 Sep 1997) |
| parasite-host ecosystem | Complex of all parasite species and individuals associated with a specific host. Synonym: parasite-host ecosystem. Origin: parasite + G. Koinos, common, together (05 Mar 2000) |
| commensal parasite | See: commensal. (05 Mar 2000) |
| heterogenetic parasite | A parasite whose life cycle involves an alternation of generations. (05 Mar 2000) |
| heteroxenous parasite | A parasite that has more than one obligatory host in its life cycle. (05 Mar 2000) |
| host-parasite relations | The interactions between two organisms, one of which lives at the expense of the other. (12 Dec 1998) |
| specific parasite | A parasite that habitually lives in its present host and is particularly adapted for the host species. (05 Mar 2000) |
| stenoxous parasite | A parasite with a narrow or specific host range. (05 Mar 2000) |
| incidental parasite | A parasite that normally lives on a host other than its present host. (05 Mar 2000) |