Rotation is the act of raising the nose of an aircraft (by pulling back slightly on the control yoke or stick) during the take-off roll, so that it leaves the runway. Rotation allows for a precise, positive departure from the runway.
Crenation is the loss of water from an animal cell due to osmosis. Lysis is the rupture of the cell wall due to too much water moving into an animal cell due to osmosis. Both â¦crenation and lysis have drastic effects on the animal cell.
There are many reasons for why thrombosis occurs, but primarily there are three events (Virchow's triad) that can precipitate the event. 1. Venous stasis (meaning decreased blood flow through a vein - for example from sitting on a long trans-atlantic flight causing decreased blood flow in the leg veins). 2. Endothelial damage (any sort of trauma to the leg). 3. Hypercoagulable condition (e.g. clotting disorders, pregnancy, cancer, etc).