The usually larger component of abnormal, unequally conjoined twins that is able to live independently and nourish the other parasitic component.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Examples from the Web for autosite

Historical Examples of autosite

  • The Heteralitis is a second species, in which the parasite is inserted at a distance from the navel of the autosite.

  • The autosite can feel when the parasite is touched, and in some cases the autosite can localise the touch.

  • Parasites are nourished through the blood supply of the autosite, and the parasites usually are incapable of motion.

  • The Polypnathus is a parasite attached to the jaw of the autosite.

  • When an omphalosite exists, the other foetus is called, in this case also, the autosite.