| HAEMANGIOMA: |
An innocent tumour composed of dilated blood vessels. |
| HAEMATOMA: |
Collection of blood in the tissues as in bruising. |
| HAEMOGLOBIN: |
Red pigment in the blood cells carrying oxygen to the tissues. |
| HAEMOSTATIC: |
Drug or other agent used to stop severe bleeding. |
| HALLUX: |
The big toe. |
| HAMSTRING: |
Muscles located at the back of the thigh that bend the knee and swing
the leg backward from the hip. |
| HEMATEMESIS: |
Vomiting of blood. |
| HEMI-: |
Prefix denoting half. |
| HEMIPLEGIA: |
Paralysis that involves one side of the body in a lateral fashion. |
| HEPATITIS: |
Inflammation of the liver. |
| HEPTOMEGALY: |
Enlarged liver. |
| HEREDITARY: |
Refers to a disease or condition that is passed from parents to child. |
| HEREDITY: |
Genetic transmission of traits from parent to offspring. |
| HERPES: |
Inflammation of the skin or mucous membrane caused by a virus. |
| HETEROZYGOTE: |
The person only carries one copy of a defective RECESSIVE gene. |
| HEUM: |
The lowest part or end of the small intestine. |
| HIPPOCAMPUS: |
An area buried deep in the forebrain that helps regulate emotion and
memory. |
| HOMOZYGOTE: |
The person carries two copies of a defective gene. |
| HORMONE: |
Chemical substance produced by an endocrine gland. |
| HYDROCEPHALUS: |
Abnormal increase of cerebrospinal fluid within the skull. |
| HYPER-: |
Prefix meaning excessive or increased. |
| HYPERAMMONAEMIA: |
State where ammonia is present in the blood. |
| HYPERBILIRUBINEMIA: |
An excess of bilirubin in the blood. |
| HYPEREXTENSIBILITY: |
Extend beyond normal limits. |
| HYPERPHAGIA: |
Over-eating. |
| HYPERPLASIA: |
Over-production of cells. |
| HYPERTELORISM: |
Widely spaced eyes. |
| HYPERTENSION: |
Increased blood pressure. |
| HYPERTHERMIA: |
Very high body temperature. |
| HYPERTONIA: |
Increased degree of tone or tension in muscles. |
| HYPERTROPHY: |
Over growth or thickening of part of an organ. |
| HYPO-: |
Prefix meaning inadequate or insufficient. |
| HYPOPLASIA: |
Defective or incomplete development of any tissue. Lingual hypoplasia:
Incomplete development of the tongue. Mandibular hypoplasia; Micrognathia
or unusually small lower jaw, usually accompanied by recession of the chin. |
| HYPOSPADIAS: |
A congenital deformity in which the urethra opens on the lower surface
of the penis. |
| HYPOTONIA: |
1. Low, or poor muscle tone (floppy muscles).
2. Damage to any part of the brain, usually including the cerebellum
and basal ganglia, resulting in decreased stiffness of the extremities
and trunk. |
| HYPSARRYTHMIA: |
A type of infantile convulsion. |