Basal cell carcinoma

Definition

Basal cell carcinoma is a type of skin cancer that originates in the basal cells, which are found in the lowest layer of the epidermis. It is the most common form of skin cancer and is usually caused by long-term exposure to ultraviolet (UV) radiation from sunlight.

Related terms

Epidermis: The outermost layer of skin that provides a waterproof barrier and creates our skin tone.

UV Radiation: A form of electromagnetic radiation from sunlight that can damage the DNA in our skin cells, leading to skin cancer.

Melanoma: A more aggressive type of skin cancer that originates in the melanocytes, cells that produce melanin, which gives the skin its color