Glossary
H
- Haematoma Hematoma
- Localised, abnormal mass of blood outside blood vessels.
- Haemmorage Hemorrage
- Extensive, rapid blood loss.
- Haemoglobin Hemoglobin
- A protein found in red blood cells that has a strong affinity for oxygen.
- Hay fever
- An allergy triggered by seasonal allergen, such as tree pollen.
- Heartburn
- A burning sensation below the breastbone that radiates toward the throat or mouth.
- Heart failure
- A condition in which the heart fails to pump an adequate supply of blood to the body tissues, often resulting in fluid accumulation in the lungs and/or lower extremities.
- Heart rate
- The number of heartbeats per minute.
- Hemiplegia
- One-sided paralysis.
- Hepatitis
- Inflammation of the liver.
- Hindbrain
- The section of the brain that regulates the reflexes and contains the root of the trigeminal nerve, which is important in transmitting the pain associated with headaches.
