Glossary

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

P

Pacemaker

A pacemaker gives off electrical signals to the heart if it isn’t beating regularly.

Paediatrics

The study of children’s development and the diseases that affect children. A doctor who specialises in paediatrics is called a paediatrician.

Paget’s disease

A chronic disease of the bones. It occurs in the elderly.

Pain

The unpleasant sensation that occurs when you are harmed. Ranges from discomfort to agony. Pain is a result of impulses being sent from a wounded part of the body to the brain.

Pancreas

A glandular organ in the digestive system and endocrine system of vertebrates. In humans, it is located in the abdominal cavity.

Paracetamol

A medication used to treat pain and fever.

Paraesthesia

Often called Pins and Needles. The tingling sensation is caused by partial or temporary damage to a peripheral nerve. Can also be caused by disease or pressure being put onto the affected part.

Paralysis

A loss of the ability to move one or more muscles.

Paranoia

A mental illness where the sufferer believes that they are being persecuted by others.

Parkinson’s Disease

A long-term degenerative disorder of the central nervous system that mostly affects the motor system.

Patella

The medical name for your kneecap.

Pathogen

A microorganism such as a virus, bacterium or parasite that produces a disease.

Pathology

The study of diseases and the nature of their causes.

Pelvis

The bones in the lower body that protect the bladder and in women, the womb.

Pharmacist

A qualified person who is registered/authorised to distribute medicines.

Phobia

A strong fear of something.

Pituitary

A gland that makes lots of hormones. It is often referred to as the 'master gland', because it controls several of the other hormone glands.

Plasma

A straw coloured liquid in the blood. All the blood cells float in it while the blood travels around your body.

Platelets

The smallest types of blood cell. They help make blood clot when the skin is broken via injury.

Pneumonia

The inflammation of the lungs caused by a bacterial infection.