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Background: Invasive cardiac procedures, such as arrhythmia ablation, cardiac resynchronisation therapy, percutaneous mitral annuloplasty and retrograde cardioplegia delivery require cannulation of the coronary sinus (CS). Detailed knowledge of the CS ostium region, including recognition of the presence of the Thebesian valve which sometimes covers the sinus, is a key to successfully carry out such...
Background: The aim of this study was to evaluate the venous structure of regular and myomatous human uteri, using corrosion casting and scanning electron microscopy (SEM). Special attention was paid to the endometrium and the so called ‘venous lakes’. Materials and methods: Uteri collected at autopsy (n = 67) were injected with Mercox CL-2R resin, which penetrated the capillary bed and filled both...
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