Any of several information sources, such as radio, television, print materials, the Internet.
The middle layer of the wall of a vein or artery. It is the thickest of the three layers, being composed of elastic fibers and smooth muscle fibers in alternating layers.
The middle layer of an organ or tissue, but more usually applied to the wall of an artery or vein, where the media comprises layers of elastic and smooth muscle fibres.
All public forms of communication, such as TV, radio, newspaper, the Internet, and advertisements.
A concoction imbued with a comprehensive array of essential nourishment, facilitating the flourishing of bacteria within a cultivated environment.
The central layer of a vein, artery, or lymphatic vessel.
The clear sections of the eye.
Materials used to grow microorganisms.