Definition. A tumor is an abnormal growth caused by the uncontrolled division of cells. Benign tumors do not have the potential to spread to other parts of the body (a process called metastasis) and are curable by surgical removal.
Fine Focus: This is the knob used to fine tune the focus on the specimen. It is also used to focus on various parts of the specimen. Generally one uses the coarse focus first to get close then moves to the fine focus knob for fine tuning. Field of View: Sometimes abbreviated FOV, it is the diameter of the circle of light that you see when looking into a microscope.
Emphasis is defined as an area or object within the artwork that draws attention and becomes a focal point. Subordination is defined as minimizing or toning down other compositional elements in order to bring attention to the focal point. Focal point refers to an area in the composition that has the most significance, an area that the artist wants to draw attention to as the most important aspect. In the example below, it is very clear that the emphasis is on the red circle. It is the largest object in the composition.