MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Infantile systemic hyalinosis
A genetic disorder characterized at birth or soon afterwards by painful swollen joint contractures and red pigmentation over bony prominences. Pearly papules (little bumps) and fleshy nodules then develop in the skin. Overgrowth of the…
Read the definitionRandom terms
Show more- Niacin for high cholesterol Niacin or nicotinic acid, one of the water-soluble B vitamins, given to lower cholesterol. Nicotinic acid…
- Dicysteine Cystine
- Scrotum A pouch of skin which contains the testes, epididymides, and lower portions of the spermatic cords.
- Hughlings Jackson See: Hughlings Jackson, John
- Arm 1. In popular usage, the appendage that extends from the shoulder to the hand. However, the medical…
- Mucositis Inflammation of the mucous membranes lining the digestive tract from the mouth on down to the anus. Mucositis…
- Bone, sphenoid See; Sphenoid bone
- Oral cholecystogram Oral cholecystogram: Abbreviated OCG. An x-ray procedure for diagnosing gallstones. The patient takes…
- Children of the dark Term applied sometimes to children with xeroderma pigmentosum, a genetic disease with such extraordinary…
- Hypochloremia Low blood levels of chloride. Chloride is the major anion found in the fluid outside of cells and in blood…
- Disorder, attention deficit (ADD) An inability to control behavior due to difficulty in processing neural stimuli. In November, 1998 the…
- Tandem repeat sequences Multiple copies of the same DNA base sequence on a chromosome; used as a marker in physical mapping of the…