acardiacus acephalus

Noun.  (medicine) A deformed fetus having developed no heart, a stunted head, and a rudimentary thorax, but with a perfectly formed pelvis and contiguous parts, connected as a parasite to another fetus.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.