AIDS is neither a virus nor bacterium; it is a syndrome (a series of conditions) caused by a virus called HIV (human immunodeficiency virus). This viral pathogen, which targets the cells of the immune system, often leads to the development of AIDS in HIV-positive people.
Definition of manilla - (in West Africa) a metal bracelet traditionally used as a medium of exchange. Definition of manilla - (in West Africa) a metal bracelet traditionally used as a medium of exchange. âThe Akan melted the manillas down and recast them into objects for their own use.â. âIn West Africa, people exchanged manillas as currency from the late 15th to the early 20th century.â.
papilla. [pÉpilâ²É] pl. papillae. Etymology: L, nipple. 1 a small nipple-shaped projection, such as the conoid papillae of the tongue and the papillae of the dermis that extend from collagen fibers, the capillary blood vessels, and sometimes the nerves of the dermis.ingival papilla the cone-shaped pad of gingiva filling the space between the teeth up to the contact area. hair papilla the fibrovascular mesodermal papilla enclosed within the hair bulb. incisive papilla an elevation at the anterior end of the raphe of the palate.