What is the term used to describe the spread of malignant cells to other parts of the body quizlet?

What term describes when a malignant tumor spreads to other parts of the body?

Metastasis. In metastasis, cancer cells break away from where they first formed (primary cancer), travel through the blood or lymph system, and form new tumors (metastatic tumors) in other parts of the body. The metastatic tumor is the same type of cancer as the primary tumor.

Which term best describes the spread of malignant tumors to a distant location?

Metastasis is the general term used to describe the spread of cancer cells from the primary tumor to surrounding tissues and to distant organs and is the primary cause of cancer morbidity and mortality.

What term refers to a malignancy?

A tumor can be benign (noncancerous) or malignant (cancerous, meaning it can spread to other parts of the body). Also called a nodule or mass.

What are biochemical indicators associated with malignancy called?

Tumor markers are substances found in higher-than-normal levels in the blood, urine, or tissues of some people with cancer. These substances, which are also called biomarkers, can be made by the tumor. They can also be made by healthy cells in response to the tumor.

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What does it mean when something has metastasized?

(meh-TAS-tuh-size) To spread from one part of the body to another. When cancer cells metastasize and form secondary tumors, the cells in the metastatic tumor are like those in the original (primary) tumor.

What is a malignant tumor derived from epithelial tissue?

Carcinoma. Carcinoma refers to a malignant neoplasm of epithelial origin or cancer of the internal or external lining of the body. Carcinomas, malignancies of epithelial tissue, account for 80 to 90 percent of all cancer cases. Epithelial tissue is found throughout the body.

What is the grade of a tumor?

Tumor grade is the description of a tumor based on how abnormal the tumor cells and the tumor tissue look under a microscope. It is an indicator of how quickly a tumor is likely to grow and spread.

What are characteristics of malignant cells?

The malignant cell is characterized by: acceleration of the cell cycle; genomic alterations; invasive growth; increased cell mobility; chemotaxis; changes in the cellular surface; secretion of lytic factors, etc. Morphological and functional characteristics of the malignant cell.

What are the features of malignancy?

Increased nuclear size (with increased nuclear/cytoplasmic ratio–N/C ratio). Variation in nuclear or cell size (pleomorphism). Lack of differentiation (anaplasia). Increased nuclear DNA content with subsequent dark staining on H and E slides (hyperchromatism).

What is the medical term for malignant tumor?

Malignant Tumors

A malignant tumor (cancerous tumor) is one that is invasive and can spread to other parts of the body.