The dermis, the skin's next layer, is a thick layer of fibrous and elastic tissue (made mostly of collagen, with a small but important component of elastin) that gives the skin its flexibility and strength. The dermis contains nerve endings, sweat glands and oil (sebaceous) glands, hair follicles, and blood vessels.
âAll cancers are caused by genetic mutations, and in some cases we know the processes driving them, for example, tobacco smoking in lung cancer, however, our understanding of the causes of mutation in most cancers is remarkably limited,â Grimmond says.
Prostate cancer is a cancer that starts in the prostate gland. Cancer causes cells in the body to change and grow out of control. Most types of cancer form a lump or a growth called a tumor.If there is a cancerous tumor in the prostate, a man may not know it.Most cases of prostate cancer develop very slowly.ancer causes cells in the body to change and grow out of control. Most types of cancer form a lump or a growth called a tumor. If there is a cancerous tumor in the prostate, a man may not know it. Most cases of prostate cancer develop very slowly.