a toxin or poisonous chemical formed within the body and acting against it. noun any poison or toxin formed in the organism upon which it acts See autointoxication autotoxin au·to·tox·in (ô’tō-tŏk’sĭn) n. A poison that acts on the organism in which it is generated. au’to·tox’ic adj.
a transformer having a single coil that serves as both a primary coil and a secondary coil. noun a transformer in which part of the winding is common to both primary and secondary circuits
infusion of a patient’s own blood, either collected and returned to the body during surgery or transfused from a stored supply. autotransfusion au·to·trans·fu·sion (ô’tō-trāns-fyōō’zhən) n. Infusion of blood or blood products into the individual from whom they were originally withdrawn.