omphalosite — Underdeveloped twin of allantoidangiopagous twin; joined by umbilical vessels. SYN: placental parasitic twin. [omphalo + G. sitos, food] * * * om·pha·lo·site fə lə .sīt n the member of a pair of conjoined twins of unequal size that is smaller and … Medical dictionary
Twin — One of two children produced in the same pregnancy and born during the same birth process. Twins can develop from one ovum (egg) or from two ova (eggs): {{}}Twins from one ovum: Twins that develop from a single ovum are called monozygotic. They… … Medical dictionary
autosite — That member of abnormal, unequal conjoined twins that is able to live independently and nourish the other member (parasite) of the pair. [auto + G. sitos, food] * * * au·to·site .sīt n the larger part of a double fetus that is usu. capable of… … Medical dictionary
holoacardius — A separate, grossly defective twin lacking a heart of its own, its blood supply being dependent on a shunt from the placental circulation of a more nearly normal twin; a placental parasitic twin or … Medical dictionary
peracephalus — An omphalosite lacking head and arms, and with a defective thorax; typically, the body consists of little more than pelvis and legs. [per + G. a priv. + kephale, head] … Medical dictionary
omphal- — ⇒OMPHAL(O) , (OMPHAL , OMPHALO )élém. formant Élém. tiré du gr. «nombril», entrant dans la constr. d adj. ou de subst. sav. qui relèvent essentiellement du domaine de la biol. et de la méd.; le 2e élém. est gén. tiré du gr. A. BIOL., MÉD.:… … Encyclopédie Universelle
omphalo- — ⇒OMPHAL(O) , (OMPHAL , OMPHALO )élém. formant Élém. tiré du gr. «nombril», entrant dans la constr. d adj. ou de subst. sav. qui relèvent essentiellement du domaine de la biol. et de la méd.; le 2e élém. est gén. tiré du gr. A. BIOL., MÉD.:… … Encyclopédie Universelle