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).
Borrelia
A group of bacteria that are helical spirochetes of the genus Borrelia. Some species of Borrelia cause relapsing fever in humans and animals. For example, Borrelia burgdorferi causes Lyme disease. Named after Amedee Borrel (1867-1936)…
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Show more- Pulmonary stenosis, peripheral, with cholestasis Also known as arteriohepatic dysplasia or Alagille syndrome, this ia a genetic disorder characterized by…
- Basal metabolic rate A measure of the rate of metabolism. For example, someone with an overly active thyroid will have an elevated…
- Secondary amenorrhea The abnormal cessation of menstruation. Amenorrhea is conventionally divided into primary and secondary…
- Absence of the breast A rare condition wherein the normal growth of the breast or nipple never takes place. They are congenitally…
- Fear of thunderstorms An abnormal and persistent fear of thunderstorms. Sufferers experience anxiety even when they realize the…
- Constitutional thrombopathy See: Von Willebrand disease
- Benign intracranial hypertension Increased pressure within the brain in the absence of a tumor. Symptoms may include headache, nausea…
- Maintenance therapy Treatment designed to help the original primary treatment succeed. Maintenance chemotherapy may be given to…
- C-section Short for Caesarian section, a procedure in which a baby, rather than being born vaginally, is surgically…
- Palmar Pertaining to the palm (the grasping side) of the hand. The ancient Romans used the word 'palma' for the…
- Hypochloremia Low blood levels of chloride. Chloride is the major anion found in the fluid outside of cells and in blood…
- Minipill A form of oral contraceptive taken daily, like combined oral contraceptives (the 'pill'), but containing only…