Structures located in the nucleus of a cell, containing genes. The use of a small cutting needle to remove a core of tissue for microscopic examination. A frozen section provides a quick preliminary diagnosis but is not 100 percent reliable. An alteration in a segment of DNA, which can disturb a gene's behavior and sometimes leads to disease. Chemicals produced by various glands in the body, which produce specific effects on specific target organs and tissues.
Inflammation is marked by heat, redness, swelling, pain, and loss of function.
The tissues and organs that produce, store, and transport cells that fight infection and disease. A technique that uses a powerful magnet linked to a computer to create detailed pictures of areas inside the body. State of being cancerous. Malignant tumors can invade surrounding tissues and spread to other parts of the body. A change in the number, arrangement, or molecular sequence of a gene.