A model of the whole body or part of the body, used to practise or demonstrate surgical operations.
An image not brought about by actual stimuli, something which is not there but seems to be there.
A device that is made of material similar to human tissue and used to investigate the interaction of radiation beams with human beings. Phantom materials can range from water to complex chemical mixtures that faithfully mimic the human body as it would interact with radiation.
An artifact designed to replicate the density characteristics of a specific body part, serving as a tool for demonstrating radiographic procedures.