Cellular respiration. Molecular oxygen, O2, is essential for cellular respiration in all aerobic organisms. Oxygen is used as an electron acceptor in mitochondria to generate chemical energy. Take a look inside the cell to see these powerhouses of the cell, petite organelles mitochondria, click here.
Legg Perthes Disease in Dogs. Definition. Legg Perthes Disease, also known as aseptic necrosis of the femoral head, Legg-Calve-Perthes Disease, Perthes Disease or simply Leggâs Disease, is a condition that involves spontaneous disintegration and collapse of the top of a dogâs long thigh bone, the femur, which connects the knee to the hip. The cause of this disease is not known.
SLE A chronic multisystemic inflammatory disease with variable features, frequently including fever, weakness and fatigability, joint pains or arthritis, skin lesions on the face, neck, or upper extremities, and often affecting the kidneys, spleen, and various other organs. Also called disseminated lupus erythematosus. systemic lupus erythematosus. An inflammatory autoimmune disease of the connective tissue, characterized by fever, skin rash, joint pain or arthritis, and anemia. It occurs most commonly in women and often affects the kidneys and nervous system, as well as other organs.