Chemical messengers in the body that send information between cells and control the actions of certain cells and organs.

Breast cancer cells that have a receptor protein to which oestrogen will attach. Breast cancer cells that are ER+ depend on the hormone oestrogen to grow….

Cancer starts when cells begin to grow out of control. Cells in nearly any part of the body can become cancer, and can spread to other areas of the body. To learn more about how all cancers start and spread,…

…but can occur anywhere on the body. Skin has several layers. Skin cancer begins in the epidermis (outer layer), which is made up of squamous cells, basal cells, and melanocytes. There are several different types of skin cancer. Squamous cell…

A surgeon who specialises in treating diseases of the urinary tract and sex organs in males, and the urinary organs in females….

Male sex hormones that produce male physical characteristics such as facial hair or a deep voice. The main androgen is testosterone that is produced by the testes.

A genetic disorder where a man has three sex chromosomes (XXY) instead of the normal two (XY).

Sex drive.

A female sex hormone produced mainly by the ovaries that helps mature and regulate the female reproductive system….

A small dark spot on the skin that arises from skin cells called melanocytes. Also called a mole….