This article is from the Autopsy - A Screenwriter's Guide FAQ, by Edward O. Uthman uthman@neosoft.com with numerous contributions by others.
The most typical method of organ removal is called the
"Rokitansky method." This is not unlike field dressing a
deer. The dissection begins at the neck and proceeds
downward, so that eventually all the organs of the trunk are
removed from the body in one bloc. The first thing the
diener does is to identify the carotid and subclavian
arteries in the neck and upper chest. He ties a long string
to each and then cuts them off, so that the ties are left in
the body. This allows the mortician to more easily find the
arteries for injection of the embalming fluids.
A cut is them made above the larynx, detaching the larynx
and esophagus from the pharynx. The larynx and trachea are
then pulled downward, and the scalpel is used to free up the
remainder of the chest organs from their attachment at the
spine. The diaphragm is cut away from the body wall, and the
abdominal organs are pulled out and down. Finally, all of
the organs are attached to the body only by the pelvic
ligaments, bladder, and rectum. A single slash with the
scalpel divides this connection, and all of the organs are
now free in one block. The diener hands this organ bloc to
the prosector. The prosector takes the organ bloc to a
dissecting table (which is often mounted over the patient's
legs) and dissects it. Meanwhile, the diener proceeds to
remove the brain.
 
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