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.
Xray Of Chest (Definition) A chest x-ray is the basic radiographic study for evaluation of the heart and lungs. It usually consists of 2 views: postero-anterior and lateral. The image is now usually acquired digitally with the sensor placed against the front of the chest for the pa view and on the left side of the chest for the lateral view. Pneumonia, heart enlargement, CHF and many other conditions may be assessed.