The state of being free from illness or injury.

The science or practice of the diagnosis, treatment, and prevention of disease.

A qualified practitioner of medicine; a physician.

A person trained to care for the sick or infirm, especially in a hospital.

A person receiving or registered to receive medical treatment.

An institution providing medical and surgical treatment and nursing care for sick or injured people.

A place or hospital department where outpatients are given medical treatment or advice.

A place where drugs are sold; a drugstore.

An instruction written by a medical practitioner that authorizes a patient to be provided a medicine or treatment.

The identification of the nature of an illness or other problem by examination of the symptoms.

Medical care given to a patient for an illness or injury.

The treatment of injuries or disorders of the body by incision or manipulation, especially with instruments.

A substance used to stimulate the production of antibodies and provide immunity against one or several diseases.

The process of infecting or the state of being infected.

A disorder of structure or function in a human, animal, or plant, especially one that produces specific symptoms or that affects a specific location.

A disease or period of sickness affecting the body or mind.

A physical or mental feature that is regarded as indicating a condition of disease, particularly such a feature that is apparent to the patient.

Physical suffering or discomfort caused by illness or injury.

Harm or damage that is done or sustained.

An injury to living tissue caused by a cut, blow, or other impact, typically one in which the skin is cut or broken.

The cracking or breaking of a hard object or material, especially a bone.

A damaging immune response by the body to a substance, especially pollen, fur, a particular food, or dust, to which it has become hypersensitive.

An abnormally high body temperature, usually accompanied by shivering, headache, and in severe instances, delirium.

A common viral infection in which the mucous membrane of the nose and throat becomes inflamed, typically causing running at the nose, sneezing, a sore throat, and other similar symptoms.

A common infectious illness that is caused by a virus and spreads rapidly through populations, typically causing fever, severe aching, and catarrh, and often occurring in epidemics.

A disease caused by an uncontrolled division of abnormal cells in a part of the body.

A hollow muscular organ that pumps the blood through the circulatory system by rhythmic contraction and dilation.

Each of the pair of organs situated within the rib cage, consisting of elastic sacs with branching passages into which air is drawn, so that oxygen can pass into the blood and carbon dioxide be removed.

An organ of soft nervous tissue contained in the skull of vertebrates, functioning as the coordinating center of sensation and intellectual and nervous activity.

The red liquid that circulates in the arteries and veins of humans and other vertebrate animals, carrying oxygen to and carbon dioxide from the tissues of the body.