What is the medical term for an area of tissue necrosis?

What is the medical term for an area of tissue necrosis?

Necrosis is the death of body tissue. It occurs when too little blood flows to the tissue. This can be from injury, radiation, or chemicals. Necrosis cannot be reversed. When large areas of tissue die due to a lack of blood supply, the condition is called gangrene.

What is localized necrosis?

: usually localized death of living tissue.

What is the medical term for necrotic tissue resulting from a loss of blood supply?

Overview. Avascular necrosis is the death of bone tissue due to a lack of blood supply. Also called osteonecrosis, it can lead to tiny breaks in the bone and the bone’s eventual collapse.

What is local tissue necrosis?

Necrotic tissue is a medical condition in which there are dead cells in your body organ. The death of the cells happens due to lack of oxygen and interrupted blood supply. It causes the cells to be acidic, releasing enzymes that break the cells. The malfunctioning of cells can make other body parts inactive.

What is the meaning of necrolysis?

noun. Necrosis and loosening or dissolution of cells or tissue; (Medicine) (in full “toxic epidermal necrolysis”) a syndrome characterized by extensive necrosis of the epidermis with blister formation and peeling that resembles scalding, typically occurring as an adverse reaction to a drug.

What is Leiodermia?

[ lī′ō-dûr′mē-ə ] n. Smooth, glossy skin.

What is Necrotize?

intransitive verb. : to undergo necrosis a necrotizing lesion. transitive verb. : to cause or affect with necrosis.

What causes tissue necrosis?

Necrosis can be caused by a number of external sources, including injury, infection, cancer, infarction, poisons, and inflammation. Black necrotic tissue is formed when healthy tissue dies and becomes dehydrated, typically as a result of local ischemia.

How do you get tissue necrosis?

Necrosis is caused by a lack of blood and oxygen to the tissue. It may be triggered by chemicals, cold, trauma, radiation or chronic conditions that impair blood flow. 1 There are many types of necrosis, as it can affect many areas of the body, including bone, skin, organs and other tissues.

What is the medical term for localized tissue death?

Etymology: Gk, nekros + osis, condition. localized tissue death that occurs in groups of cells in response to disease or injury. In coagulation necrosis, blood clots block the flow of blood, causing tissue ischemia distal to the clot.

Which is the best definition of an infarcted area?

(in’farkt), An area of necrosis resulting from a sudden insufficiency of arterial or venous blood supply. Synonym(s): infarction (2) [L. in-farcio, pp. An area of tissue that undergoes necrosis as a result of obstruction of local blood supply, as by a thrombus or embolus.

What causes the death of cells in the body?

[ nə-krō′sĭs ] The death of cells or tissues from severe injury or disease, especially in a localized area of the body. Causes of necrosis include inadequate blood supply (as in infarcted tissue), bacterial infection, traumatic injury, and hyperthermia.

What happens to the tissue around an infarct?

Infarcted tissue swells and becomes firm, and blood vessels around an infarct widen. Plasma and blood may pass into the infarct, increasing the swelling. Later the infarct becomes pale and shrinks and soon it is replaced by fibrous tissue and is converted into a scar which is usually at least as strong as the original tissue.