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.
A crust discharged from and covering a healing wound. 2. Scabies or mange in domestic animals or livestock, especially sheep. 3. a. Any of various plant diseases caused by fungi or bacteria and resulting in crustlike spots on fruit, leaves, or roots. b. The spots caused by such a disease.