A new rôle for the sieve plate.
D001693:Biological Transport, Active; D002462:Cell Membrane; D002473:Cell Wall; D003593:Cytoplasm; D004548:Elasticity; D008954:Models, Biological; D018521:Plant Physiological Phenomena; D010944:Plants / Q000378:metabolism; D011312:Pressure; D013314:Stress, Mechanical; D014783:Viscosity