MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Hyperparathyroidism
Hyperparathyroidism: Too much parathyroid hormone resulting in abnormally high levels of calcium in the blood (hypercalcemia). This can cause bone resorption and osteoporosis, calcium deposits in the kidneys, muscular weakness, nausea…
Read the definitionRandom terms
Show more- Antielastase An inhibitor of the action of the enzyme elastase. Alpha-1 antitrypsin is an antielastase. Also called an…
- RIRS (retrograde intrarenal surgery) Something that increases a person's chances of developing a disease.
- Voice box The voice box, or larynx, is the portion of the respiratory (breathing) tract containing the vocal cords…
- Optic neuroma A slow-growing benign tumor of the optic nerve. Optic gliomas are associated with neurofibromatosis type 1…
- Vaccination, German measles See Immunization, MMR.
- Ablation Removal or excision. Ablation is usually carried out surgically. For example, surgical removal of the thyroid…
- Calcaneocuboid joint The calcaneocuboid joint is located in the foot between the calcaneus bone (the heel bone) and the cuboid…
- Progressive vaccinia A severe complication of smallpox vaccination that occurs because of an immune defect in the vaccinated…
- Virus, lymphadenopathy-associated Another name for the human immunodeficiency virus (HIV), the cause of AIDS. Please see: Virus, human…
- Cortex The outer portion of an organ. The outer portion of the adrenal gland is called the adrenal cortex; the outer…
- Familial colorectal cancer A label applied to families that contain an unusual aggregation of members with cancer of the colon or rectum…
- Dysplasia, arteriohepatic Also known as Alagille syndrome, this ia a genetic disorder characterized by jaundice in the newborn period…