alveolar hydatid disease — a type of hydatid disease in which larval forms (hydatid cysts) of Echinococcus multilocularis invade and destroy tissues, undergoing endogenous budding to form an aggregate of small cysts that honeycomb the affected organ (usually the liver); in … Medical dictionary
Alveolar hydatid disease (AHD) — 1. A parasitic disease caused by the larval stage of a microscopic tapeworm Echinococcus multilocularis. AHD is found worldwide, mostly in northern latitudes. in central Europe, Russia, China, Central Asia, Japan, and North America. In North… … Medical dictionary
alveolar hydatid cyst — a hydatid cyst with multiple loculi (small irregular cavities) that may contain scolices but generally little fluid; it is formed by larvae of Echinococcus multilocularis and tends to enlarge by budding since it has a poorly developed hyaline… … Medical dictionary
hydatid disease — n a form of echinococcosis caused by the development of hydatids of a tapeworm of the genus Echinococcus (E. granulosus) in the tissues esp. of the liver or lungs of humans and some domestic animals (as sheep and dogs) * * * (hydatidosis,… … Medical dictionary
AHD (alveolar hydatid disease) — 1. A parasitic disease caused by the larval stage of a microscopic tapeworm Echinococcus multilocularis. AHD is found worldwide, mostly in northern latitudes. in central Europe, Russia, China, Central Asia, Japan, and North America. In North… … Medical dictionary
Disease, alveolar hydatid (AHD) — A parasitic disease caused by the larval stage of a microscopic tapeworm Echinococcus multilocularis. AHD is found worldwide, mostly in northern latitudes. in central Europe, Russia, China, Central Asia, Japan, and North America. In North America … Medical dictionary
Hydatid disease, alveolar (AHD) — A parasitic disease caused by the larval stage of a microscopic tapeworm Echinococcus multilocularis. AHD is found worldwide, mostly in northern latitudes. in central Europe, Russia, China, Central Asia, Japan, and North America. In North America … Medical dictionary
hydatid — 1. SYN: h. cyst. 2. A vesicular structure resembling an Echinococcus cyst. [G. hydatis, a drop of water, a hyatid] Morgagni h. SYN: vesicular appendages of epoophoron, under appendage. nonpedunculated h. SYN: appendix of … Medical dictionary
hydatid — n. a bladder like cyst formed in various human tissues following the growth of the larval stage of an Echinococcus tapeworm. E. granulosus produces a single large fluid filled cyst, called unilocular hydatid, which gives rise internally to… … The new mediacal dictionary
hydatid cyst — a cyst formed during the larval stage of tapeworms of species Echinococcus; it contains daughter cysts that contain many scoleces. There are two types, the alveolar or multilocular hydatid cyst and the unilocular hydatid cyst. Called also… … Medical dictionary
