Q116
General ScienceBiology
A carcinoma is a cancer originating from
- a.epithelial tissue.
- b.connective tissue.
- c.muscular tissue.
- d.nerve tissue.
Answer: (A) epithelial tissue.
A carcinoma is a type of cancer that originates from epithelial cells — the cells lining body surfaces, cavities, and glands. Examples include lung carcinoma, breast carcinoma, and colorectal carcinoma. Cancer of connective tissue is called sarcoma; of nerve tissue, it's a neuroblastoma or glioma.