Unequal conjoined twins in which the parasitic member is included in the body of the host. ... Origin: end-+ G. Adelphos, brother ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973
(end″ә-del´fos) a fetus in which a parasitic twin is enclosed within the body of the other twin (the autosite). Found on http://www.encyclo.co.uk/local/21001