what is the definition of Accessory (Medical Dictionary Online)

what is the definition of Accessory: Additional, extra, supplementary, subsidiary to the main thing. An accessory digestive organ is an organ that helps with digestion but is not part of the digestive tract. The accessory nerve is so-called because it receives an additional (accessory) root from the upper part of the spinal cord. An accessory placenta is an extra placenta separate from the main placenta. medical terminology, medical dictionary, medical dictionary free download, medical terminology made easy, medical terminology song