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Techniques such as static diffusion cells (Franz cells) and flow-through diffusion cells (Bronaugh cells) have also been used. [4] The Franz Cell apparatus consists of two chambers separated by a membrane of animal or human skin. Human skin is preferred but due to ethical and other considerations is not always available.
One was Innoved Institute LLC, a Chicago-area medical lab provider that also supplies human body parts. Innoved was among BRC’s best customers. It received at least 32 shipments with 277 body parts.
Some human organs and tissues regenerate rather than simply scar, as a result of injury. These include the liver, fingertips, and endometrium. More information is now known regarding the passive replacement of tissues in the human body, as well as the mechanics of stem cells. Advances in research have enabled the induced regeneration of many ...
Medical or medicinal cannibalism is the consumption of parts of the human body, dead or alive, to treat or prevent diseases. The medical trade and pharmacological use of human body parts and fluids often arose from the belief that because the human body is able to heal itself, it can also help heal another human body. [ 1 ]
An artificial organ is a human-made organ device or tissue that is implanted or integrated into a human – interfacing with living tissue – to replace a natural organ, to duplicate or augment a specific function or functions so the patient may return to a normal life as soon as possible. [1]
Organ trade (also known as the blood market or the red market) is the trading of human organs, tissues, or other body products, usually for transplantation. [1] [2] According to the World Health Organization (WHO), organ trade is a commercial transplantation where there is a profit, or transplantations that occur outside of national medical systems.
"Bulk flow" is the movement/flow of an entire body due to a pressure gradient (for example, water coming out of a tap). "Diffusion" is the gradual movement/dispersion of concentration within a body with no net movement of matter. An example of a process where both bulk motion and diffusion occur is human breathing. [2]
A biological example of diffusion is the gas exchange that occurs during respiration within the human body. [7] Upon inhalation, oxygen is brought into the lungs and quickly diffuses across the membrane of alveoli and enters the circulatory system by diffusing across the membrane of the pulmonary capillaries. [8]