anideus

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• anideus — A parasitic fetus consisting of a poorly differentiated mass of tissue with slight indications of parts. SEE ALSO: holoacardius amorphus. [G. an priv. + eidos, shape] embryonic a. a blastoderm without axial organization. * * * anid·e·us ( …   Medical dictionary

• embryonic anideus — a blastoderm in which no embryonic axis develops …   Medical dictionary

• anidean — Shapeless; denoting a formless mass of tissue. SYN: anidous. [see anideus] …   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