WebSep 26, 2024 · Tissue Injury and Repair. Inflammation is the standard, initial response of the body to injury. Whether biological, chemical, … Webionizing radiation injury, also called radiation sickness, tissue destruction or changes caused by deeply penetrating electromagnetic waves of high frequency or subatomic particles that form positively and negatively charged particles in the tissues, including individual cells that receive the radiation. Sources for radiation may be natural, such as …
Tissue damage is commonest cause of surgical negligence suits
WebUpon tissue injury, damaged cells release inflammatory chemical signals that evoke local vasodilation, the widening of the blood vessels. Increased blood flow results in apparent redness and heat. In response to injury, mast cells present in tissue degranulate, releasing the potent vasodilator histamine. Necrotic tissue forms when not enough blood—and the oxygen that blood carries—reaches the affected tissues. Blood clots and blood vessel damage are just two of the many causes that can trigger necrosis. Injuries, infections, chronic diseases, and toxins that block blood flow to an area can cause … See more There are several types of necrosis, as it can affect many areas of the body, including bone, skin, organs and other tissues. Each type has distinct features. The type of necrosis … See more With increased age comes increased vulnerability to problems that can trigger necrosis, such as injuries and vascular disease.13This … See more A complete blockage of blood flow is typically painful, and usually painful enough to make someone seek medical help immediately. Treatment may include surgery to restore blood flow or to remove the damaged … See more Symptoms of necrosis vary depending on where in your body the necrotic tissue has developed. For example, symptoms of necrosis in your … See more philip farnsworth
Repair cell first, then regenerate the tissues and organs
WebProlonged exposure of tissue to freezing temperatures causes tissue damage known as frostbite. Several factors predispose to frostbite, such as malnutrition leading to a loss of the fatty layer under the skin, lack of adequate clothing, and any type of insufficiency of the peripheral blood vessels, all of which increase the loss of body heat. WebNov 30, 2024 · Apoptosis is the process in which cells self-destruct. It is the body's natural and highly regulated way of getting rid of unneeded cells. While apoptosis occurs "on purpose," necrosis is uncontrolled cell death … WebHigh doses tend to kill cells, while low doses tend to damage or change them. High doses can kill so many cells that tissues and organs are damaged. This in turn may cause a rapid whole body response often called the Acute Radiation Syndrome (ARS). High dose effects are discussed on pages 6-12 to 6-16. philip farzad dds