Definition of 'swarm'. swarm. A swarm of bees or other insects is a large group of them flying together. When bees or other insects swarm, they move or fly in a large group. A dark cloud of bees comes swarming out of the hive. When people swarm somewhere, they move there quickly in a large group. People swarmed to the shops, buying up everything in sight. A swarm of people is a large group of them moving about quickly. A swarm of people encircled the hotel. Today at the crossing there were swarms of tourists taking photographs. Synonyms: multitude, crowd, mass, army More Synonyms of swarm
The cause of most liver cysts is unknown. Liver cysts can be present at birth or can develop at a later. time. They usually grow slowly and are not detected until adulthood. Some cysts are caused by a parasite, echinococcus that is found in sheep in different parts of the world.
There are several causes of cysts, including genetic, infectious, and other causes that result in hundreds of types of cysts. Risk factors for developing a cyst are related to the underlying causes of the cyst formation. Most cysts are asymptomatic and have no signs.