| twin peak s. |
a sonographic sign of dichorionic twinning consisting of a triangular zone whose echotexture is similar to that of the placenta, wider at the chorionic surface of the placenta and tapering to a point within the intertwin membrane.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| twin transfusion s. |
a syndrome caused by twin-to-twin transfusion (q.v.); the donor twin develops hypovolemia, hypotension, anemia, microcardia, and growth retardation, while the recipient develops hypervolemia, hypertension, polycythemia, cardiomegaly, and congestive heart failure; hydramnios frequently occurs. Click here to view image■Twin transfusion syndrome characterized by arteriovenous shunt at a shared placental cotyledon in diamniotic monochorionic twins.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| twin w. |
see under appliance.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| twin wire a. |
an orthodontic appliance using fixed lingual arches and a labial arch consisting of a pair of round wires attached to brackets on the anterior teeth. Called also Johnston twin wire a. and twin wire.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| twin-lamb d. |
pregnancy toxemia in ewes.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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