The root of the lung is located at the hilum of each lung, just above the middle of the mediastinal surface and behind the cardiac impression of the lung. It is nearer to the back (posterior border) than the front (anterior border). The root of the lung is connected by the structures that form it to the heart and the trachea.
A prophage is a bacteriophage (often shortened to phage) genome inserted and integrated into the circular bacterial DNA chromosome or existing as an extrachromosomal plasmid. This is a latent form of a phage, in which the viral genes are present in the bacterium without causing disruption of the bacterial cell.
Making the world better, one answer at a time. Mature sperm cells are stored in the epididmysis, a long tube that is coiled up behind the testes in the scrotum.his is where they are stored until needed. As needed, the sperm cells travel through a pair of tiny tubes called the vas deferens (Hence the term,'vas-ectomy'). The sperm enter the stream of semen near the urethra, or urinary tube.