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).
Disease, exaggerated startle
A genetic disorder also known as hyperexplexia in which babies have an exaggerated startle reflex (reaction). This disorder was not recognized until 1962 when it was described by Drs. Kok and Bruyn as a disease with the onset at birth of…
Read the definitionRandom terms
Show more- Storm supplies kit The onshore rush of sea or lake water caused primarily by the high winds that are associated with a…
- Pulmonary alveolar proteinosis Lung disease characterized by progressive difficulty breathing (dyspnea) and cough due to the accumulation of…
- Esophagogastroduodenoscopy Esophagogastroduodenoscopy: Also known as EGD or upper endoscopy. A procedure that enables the examiner…
- Recipient In medicine, a recipient is someone who receives something like a blood transfusion or an organ transplant…
- Cancer, lung Cancer of the major organ of respiration - the lung. Lung cancer kills more men and women than any other form…
- Leukocyte, granular A type of white blood cell filled with microscopic granules (tiny sacs) containing enzymes that digest…
- Imitrex Brand name for sumatriptan, a triptan drug for the treatment of migraine
- Toe sign An important neurologic examination based upon what the toes do when the sole of the foot is stimulated. If…
- C6 (cervical vertebra) The sixth cervical (neck) vertebra from the top. The next-to-last of the seven cervical vertebrae
- Differential white cell count The proportions of the different types of white cells in the blood, usually split into the different types of…
- Necropsy A postmortem examination or autopsy. Necropsies have been done for more than 2,000 years but during most of…
- Cell, T-4 A type of T cell that has CD4 markers on its surface and participates in the immune response by recognizing…