Search: red blood cells


A type of white blood cell that defends the body against bacteria….


A specialist who studies diseases to understand their nature and cause, and who interprets the results of tests (such as a biopsy or blood count)….

pulse oximeter

A small machine, usually attached to a finger or toe, that measures how much oxygen is in the blood….

urinary system

The system that removes wastes from the blood and expels them from the body in urine. It includes the kidneys, ureters, bladder and urethra….

vital signs

Measurements of the body’s pulse rate, temperature, respiration rate, and blood pressure. This indicates the state of essential body functions….

naevus (plural: naevi)

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


Human epidermal growth factor receptor 2. A type of protein found on most cells in the human body.

immune system

A network of cells and organs that defends the body against attacks by foreign invaders, such as bacteria and viruses.


A type of neuron that connects other neuron cells in the brain and spinal cord.

lobular carcinoma in situ (LCIS)

Abnormal cells in the lobes of the breast.