Definition of litre: A metric unit of capacity, formerly defined as the volume of one kilogram of water under standard conditions, now equal to 1,000 cubic centimetres (about 1.75 pints): 5 cc is about 5 ml. For details see wWkipedia: Litre and Metre. Views.
The thorax is the midsection of the insect body. It holds the head, legs, wings and abdomen. It is also called mesosoma in other arthropods. It is formed by the prothorax, mesothorax and metathorax and comprises the scutellum; the cervix, a membrane that separates the head from the thorax; and the pleuron, a lateral sclerite of the thorax.
1 the partition of muscles and tendons that separates the chest cavity from the abdominal cavity; midriff. 2  any membrane or partition that separates one thing from another. 3  a dividing wall at the node of a plant stem. 4  a device to regulate the amount of light entering the lens of a camera, microscope, etc. (anatomy) In mammals, a sheet of muscle separating the thorax from the abdomen, contracted and relaxed in respiration to draw air into and expel air from the lungs; also called thoracic diaphragm. ( 2 anatomy) Any of various membranes or sheets of muscle or ligament which separate one cavity from another.