Areolar Tissue: Slide 4: Areolar Tissue Found underlying most epithelial tissue, forms the papillary region of the dermis and a layer called the Lamina propria of the Digestive Tract found just underlying the epithelium. In this slide, the areolar tissue is part of one of the serous membrane.
1 Type of tissue from which the cancer evolved, including carcinomas and sarcomas. 2  Carcinoma is a cancer that begins in the skin or in tissues that line or cover internal organs. 3  Sarcoma is a cancer of the bone, cartilage, fat, muscle, blood vessels, or other connective or supportive tissue. Type of tissue from which the cancer evolved, including carcinomas and sarcomas. 2  Carcinoma is a cancer that begins in the skin or in tissues that line or cover internal organs. 3  Sarcoma is a cancer of the bone, cartilage, fat, muscle, blood vessels, or other connective or supportive tissue.
Carcinoma in situ can be further defined by the tissue type in which cancer is beginning. For example, squamous cell carcinoma in situ of the cervix would represent a cancer that had started in squamous cells which line the cervix and have not yet become invasive.