Correct option is D
Sol. Sarcoma is a type of cancer that develops in connective tissues, including bones, muscles, fat, blood vessels, and cartilage. Unlike carcinomas (which affect epithelial tissues), sarcomas are less common but highly aggressive. Examples include osteosarcoma (bone cancer), liposarcoma (fat tissue cancer), and leiomyosarcoma (smooth muscle cancer).
Explanation of Each Option:
· Glands: Incorrect; glandular cancers are called adenocarcinomas, not sarcomas.
· Skin: Incorrect; skin cancer is usually melanoma, squamous cell carcinoma, or basal cell carcinoma.
· Lymph tissue: Incorrect; lymphatic cancer is known as lymphoma, not sarcoma.
· Connective tissue: Correct answer; sarcomas originate in connective tissues like bones, muscles, and fat.