omphalosite

omphalosite
Underdeveloped twin of allantoidangiopagous twin; joined by umbilical vessels. SYN: placental parasitic twin. [omphalo- + G. sitos, food]

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om·pha·lo·site -fə-lə-.sīt n the member of a pair of conjoined twins of unequal size that is smaller and parasitic and that receives its blood supply by way of the larger twin compare AUTOSITE

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om·pha·lo·site (omґfə-lo-sīt″) [omphalo- + Gr. sitos food] an underdeveloped member of allantoidoangiopagous twins, which is joined to the more developed member (autosite) by the vessels of the umbilical cord.

Medical dictionary. 2011.

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Look at other dictionaries:

  • omphalosite — (on fa lo si t ) adj. Terme de tératologie. Monstres omphalosites, et, substantivement, les omphalosites, monstres qui vivent seulement d une vie imparfaite, et par la communication avec la mère. ÉTYMOLOGIE    Termes grecs signifiant nombril et… …   Dictionnaire de la Langue Française d'Émile Littré

  • 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

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