In biology, an adaptation, also called an adaptive trait, is a trait with a current functional role in the life of an organism that is maintained and evolved by means of natural selection. Adaptation refers to both the current state of being adapted and to the dynamic evolutionary process that leads to the adaptation.
Computed Tomography Angiogram (CT Angiogram). Guide. A computed tomography angiogram (CT angiogram) is a test that uses X-rays to provide detailed pictures of the heart and the blood vessels that go to the heart, lung, brain, kidneys, head, neck, legs, and arms.
Difference between angiogram and angiography - What is the difference between angiogram and angiography? Verb versus noun. Angiography is the process of performing an x-ray picture (or an image) of a blood vessel by injecting the vessel with an opaque dye. Th dye often contains iodine. An angiogram is the picture of the blood vessel that was taken while performing angiography.