Final answer:
The appropriate rendering technique for creating 3D images of tissues with varying transparency is Computed Tomography (CT), which uses computer-processed combinations of multiple X-ray measurements taken from different angles to produce cross-sectional images.
Step-by-step explanation:
The appropriate rendering technique for obtaining a 3D imaging showing several tissues with various levels of transparency is Computed Tomography (CT), also known as Computed Axial Tomography (CAT). This technique uses X-rays passed through narrow sections of the patient's body from multiple directions. The relative absorption of the X-rays is then analyzed by a computer to produce highly detailed three-dimensional images. The captured images from different slices can be combined and manipulated to increase tissue transparency and highlight specific areas based on their differing densities. The CT scan is invaluable for providing a comprehensive view of internal structures by removing the overlapping effects seen in 2D X-rays.