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The word infarction means that some area of tissue has died due to a lack of blood flow, and therefore a lack of oxygen. “Myo” refers to the muscle, and “cardial” refers to the heart tissue. So with a heart attack, or MI, you have death of heart muscle cells because of a lack in blood flow, a process called necrosis.
Cellular cardiomyoplasty is a method which augments myocardial function and cardiac output by directly growing new muscle cells in the damaged myocardium (heart muscle). ). Tissue engineering, which is now being categorized as a form of regenerative medicine, can be defined as biomedical engineering to reconstruct, repair, and improve biological tis
Regenerative medicine also includes the possibility of growing tissues and organs in the laboratory and implanting them when the body cannot heal itself. When the cell source for a regenerated organ is derived from the patient's own tissue or cells, [3] the challenge of organ transplant rejection via immunological mismatch is circumvented.
Skin tissue can be regenerated in vivo or in vitro. Other organs and body parts that have been procured to regenerate include: penis, fats, vagina, brain tissue, thymus, and a scaled down human heart. One goal of scientists is to induce full regeneration in more human organs. There are various techniques that can induce regeneration.
A myocardial infarction, also known as a heart attack, often result in the formation of fibrosis. [2] A myocardial infarction is an ischemic event, or a restriction of blood flow to body tissue, such as by atherothrombosis. [4] Without blood flow to the myocardium, it is deprived of oxygen, causing tissue death and irreversible damage. [5]
The resulting ischemia (restriction in blood supply) and oxygen shortage, if left untreated for a sufficient period of time, can cause damage or kill heart muscle tissue . Histopathology at high magnification of a normal brain neuron, and a brain infarction at approximately 24 hours on H&E stain : The neurons become hypereosinophilic and there ...
Hypothermia can also prevent the injuries that occur after circulation returns to the brain, or what is termed reperfusion injuries. In fact, an individual suffering from an ischemic insult continues suffering injuries well after circulation is restored. In rats, it has been shown that neurons often die a full 24 hours after blood flow returns.
Plaques in the walls of the coronary arteries can rupture, resulting in occlusion of the artery and deprivation of blood flow and oxygen to the heart muscle, resulting in cardiac cell death. [9] This is known as myocardial infarction. [9] A heart attack can cause arrhythmias, as well as permanent damage to the heart muscle. [25]
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262 Neil Avenue # 430, Columbus, Ohio · Directions · (614) 221-7464