Noun
A nest: a repository for the eggs of birds, insects, etc.; a breeding place; esp., the place or substance where parasites or the germs of a disease effect lodgment or are developed.
Source: Webster's dictionarythe focus of infection Source: Internet
If a cerebral AVM is detected before a stroke occurs, usually the arteries feeding blood into the nidus can be closed off to avert the danger. Source: Internet
Understory species in this forest are often Morinda citrifolia, Cocos seedlings and Asplenium nidus (bird's nest fern), and occasionally, Neisosperma oppositifolium and Guettarda speciosa. Source: Internet
The resulting tangle of blood vessels, often called a nidus (Latin for "nest"), has no capillaries. Source: Internet