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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.
Cavernomas are clusters of abnormal blood vessels mainly found in the brain and spinal cord. They are sometimes known as cavernous angiomas, cavernous hemangiomas or cerebral cavernous malformations. A typical cavernoma looks a bit like a blackberry.It is filled with blood that flows slowly through vessels that are like caverns. Cavernomas vary in size, from a few millimetres to several centimetres across.ny symptoms you have may come and go as the cavernoma bleeds and then reabsorbs blood. Monitoring your symptoms is important, because any new symptoms might be a sign of a haemorrhage. Your doctor can advise you about what to do if you experience any new or worsening symptoms.