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The bodies are prevented from decaying by means of plastination, a rubberization process patented in the 1970s by anatomist Gunther von Hagens.The essence of the process is the replacement of water and fatty material in the cells of the body first by acetone and then by plastics, such as silicone rubber, polyester or epoxy resin.
Gunther von Hagens developed the preservation process which "unite[s] subtle anatomy and modern polymer chemistry", [1] in the late 1970s. A series of Body Worlds anatomical exhibitions has toured many countries worldwide, sometimes raising controversies about the sourcing and display of actual human corpses and body parts.
Plastination is a technique or process used in anatomy to preserve bodies or body parts, first developed by Gunther von Hagens in 1977. [1] The water and fat are replaced by certain plastics , yielding specimens that can be touched, do not smell or decay , and even retain most properties of the original sample.
When appearing in public, even when performing anatomical dissections, Hagens always wears a black fedora (a reference to the hat worn in The Anatomy Lesson of Dr. Nicolaes Tulp by Rembrandt). [37] Hagens has said that his grand goal is the founding of a "Museum of Man", where exhibits of human anatomy can be shown permanently.
Plastic anatomical models are regularly used in anatomy teaching, offering a good substitute to the real thing. Use of living models for anatomy demonstration is once again becoming popular within teaching of anatomy. Surface landmarks that can be palpated on another individual provide practice for future clinical situations.
Artificial cranial deformation or modification, head flattening, or head binding is a form of body alteration in which the skull of a human being is deformed intentionally. It is done by distorting the normal growth of a child's skull by applying pressure.