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Cavity Structural Effect. The Cavity Structural Effect (CSE) was discovered in spring 1983 by chance by Viktor S. Grebennikov (1927-2001), entomologist and painter, when he moved his hand over multi cavernous bee nests and felt warmth emanating from them.
A cavernous malformation, also known as a cavernous angioma or cavernoma, is an abnormal collection of blood vessels in the brain.It consists of multiple, small dilated sacs which resemble blood vessels but do not have a direct connection with other blood vessels.ith bleeding, neurological symptoms related to the location of the cavernoma can occur. These vary considerably depending on what part of the brain the malformation is in. A cavernoma in the brain stem can be much more dangerous than a small peripheral lesion in less important parts of the brain.