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.
lamella. 1. a thin scale or plate, as of bone. 2. a medicated disk or wafer to be inserted under the eyelid. adj., adj lamelÂ´lar. circumferential lamella one of the bony plates that underlie the periosteum and endosteum. concentric lamella haversian lamella.endosteal lamella one of the bony plates lying beneath the endosteum. ground lamella interstitial lamella. haversian lamella one of the concentric bony plates surrounding a haversian canal.intermediate lamella (interstitial lamella) one of the bony plates that fill in between the haversian systems.ircumferential lamella one of the bony plates that underlie the periosteum and endosteum. concentric lamella haversian lamella. endosteal lamella one of the bony plates lying beneath the endosteum. ground lamella interstitial lamella. haversian lamella one of the concentric bony plates surrounding a haversian canal.