Glossary

Abbreviation/concept	Description
Atrophy	Loss of tissue- or organ mass, for example muscle atrophy which can occur after prolonged immobility.
Glaucoma	Intensified eye pressure caused by insufficient drainage of aqueous humor in the eye. If this situation persists, the optic nerve fibres will be damaged resulting into loss of vision.
Hemihypotrophy	Condition in which one side of the body is smaller or shorter than the other.
Hypermobility	Flexible and stretchy ligaments, which make joints stretch farther than with other people.
Hypertrophy	Condition in which one part of the body (in length or size) is larger compared to the rest of the body.
Hypotrophy	Condition in which one part of the body (in length or size) is smaller compared to the rest of the body.
Klippel-Trenaunay	Combination of several disorders: Port-wine stains, large twisting varicose veins, lymphatic vessel malformations and a disrupted growth, mostly in one or more extremities (arms/legs).
Macrocephaly	Disorder in which the head is larger than normal (when the head circumference is greater than 2 standard deviations above the mean considering age, sex and ethnicity of the child).
Sturge-Weber	Disorder consisting of port-wine stains, specifically around the eye and overabundance in the face. Often combined with glaucoma and epilepsy.
Syndrome	A syndrome is a disorder with multiple symptoms occurring together. A syndrome is not always hereditary, but does always have a genetic source.