TY - CHAP M1 - Book, Section TI - Cutaneous Infestations A1 - Elston, Dirk M. A1 - Ali, Asra A1 - Bogle, Melissa A. A1 - Hatter, Alyn D. A2 - Ali, Asra PY - 2015 T2 - McGraw-Hill Education Specialty Board Review Dermatology: A Pictorial Review, 3e AB - An organism that lives on or within another organism (host)A parasite causes harm to the host. This distinguishes parasitism from commensalism, in which the host derives no benefit but is not injured, and mutualism, where the relationship benefits both organismsHost, in addition to providing a steady food source, provides warmth and shelterDefinitive host are those in which parasite becomes sexually mature and undergoes reproductionReservoir hosts are those in which parasites that are pathogenic to other animals or to humans resideVector are agent by which a parasite is transmitted to the host (e.g., arthropod, mollusk) SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/28 UR - dermatology.mhmedical.com/content.aspx?aid=1176115498 ER -