subcutaneous fat necrosis

necrosis /ne·cro·sis/ (nĕ-kro´sis) pl. necro´ses   [Gr.] the morphological changes indicative of cell death caused by progressive enzymatic degradation; it may affect groups of cells or part of a structure or an organ.

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aseptic necrosis  necrosis without infection, usually in the head of the femur after traumatic hip dislocation.

Balser's fatty necrosis  gangrenous pancreatitis with omental bursitis and disseminated patches of necrosis of fatty tissues.

caseous necrosis  cheesy n.

central necrosis  that affecting the central portion of an affected bone, cell, or lobule of the liver.

cheesy necrosis  that in which the tissue is soft, dry, and cottage cheese–like; most often seen in tuberculosis and syphilis.

coagulation necrosis  necrosis of a portion of some organ or tissue, with formation of fibrous infarcts, the protoplasm of the cells becoming fixed and opaque by coagulation of the protein elements, the cellular outline persisting for a long time.

colliquative necrosis  that in which the necrotic material becomes softened and liquefied.

contraction band necrosis  a cardiac lesion characterized by hypercontracted myofibrils and contraction bands and mitochondrial damage, caused by calcium influx into dying cells resulting in arrest of the cells in the contracted state.

fat necrosis  that in which the neutral fats in adipose tissue are split into fatty acids and glycerol, usually affecting the pancreas and peripancreatic fat in acute hemorrhagic pancreatitis.

liquefaction necrosis  colliquative n.

phosphorus necrosis  necrosis of the jaw bone due to exposure to phosphorus.

postpartum pituitary necrosis  necrosis of the pituitary during the postpartum period, often associated with shock and excessive uterine bleeding during delivery, and leading to variable patterns of hypopituitarism.

subcutaneous fat necrosis  induration of the subcutaneous fat in newborn and young infants.

necrosis ustilagi´nea  dry gangrene due to ergotism.

Zenker's necrosis  see under degeneration.

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subcutaneous fat necrosis.

See adiponecrosis subcutanea neonatorum.

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subcutaneous

beneath the layers of the skin.

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subcutaneous abscess

the commonest site of an abscess; causes local pain and swelling and a positive indication is obtained by needle puncture.

subcutaneous edema

accumulation of edema in subcutaneous tissues, usually of the dependent parts. If extensive referred to as anasarca. See also edema.

subcutaneous fat necrosis

manifested by many inert, painless lumps in the subcutis, is inherited in cattle.

subcutaneous hemorrhage

the accumulation of blood in a subcutaneous site such as occurs in purpura hemorrhagica.

subcutaneous mite

see laminosioptescysticola.

subcutaneous tissue

the layer of loose connective tissue directly under the skin.