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Rapid prototyping techniques, originally developed for building components from computer aided designs in the motor industry, are now being applied in medicine to build models of human anatomy from high resolution multiplanar imaging data such a computed tomography (CT). The established technique of stereolithography and the more recent selective laser sintering (SLS), both build up an object layer...
Some investigators have suggested that the chorion laeve thins late in gestation because trophoblasts are lost by apoptosis. We sought to determine whether apoptosis or necrosis might cause the membranes to rupture prematurely. Fetal membranes, matched for gestational ages, were obtained from patients with preterm premature rupture of the membranes (PPROM) {n=12}, intra-amniotic infection (IAI)...
Arteries undergo structural alterations, termed vascular remodeling, in response to changes in local conditions. This study describes the remodeling of decidual spiral arteries in early pregnancy, also called ''physiologic change'', and tests whether invasive cyto-trophoblasts are associated with vascular remodeling. Complete cross-sections of spiral arteries from late secretory endometrial biopsies,...
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