AP BIOLOGY

Detailed explanation-1: -Benign tumors are those that stay in their primary location without invading other sites of the body. They do not spread to local structures or to distant parts of the body. Benign tumors tend to grow slowly and have distinct borders. Benign tumors are not usually problematic.

Detailed explanation-2: -Dr. Alexandra Gangi: Like all tumors, a benign tumor is a mass of abnormal cells. But unlike malignant (cancerous) tumors, they can’t move into neighboring tissue or spread to other parts of the body.

Detailed explanation-3: -Adenomas are benign tumors starting in the epithelial tissue of a gland or gland-like structure. The epithelial tissue is the thin layer of tissue covering organs, glands, and other structures. A common type of adenoma is a polyp in the colon.

Detailed explanation-4: -A benign tumor, such as a common skin wart, remains confined to its original location, neither invading surrounding normal tissue nor spreading to distant body sites.

Detailed explanation-5: -Lipomas: Lipomas are formed by fat cells. They are the most common type of benign tumor. Meningiomas: These tumors develop in the brain and spinal cord membranes and are most commonly benign.