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).
Amyotrophic lateral sclerosis (ALS)
Amyotrophic lateral sclerosis (ALS): A classic motor neuron disease. Motor neuron diseases are progressive chronic diseases of the nerves that come from the spinal cord responsible for supplying electrical stimulation to the muscles. This…
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Show more- Forensic medicine The branch of medicine that deals with the application of medical knowledge to legal problems and legal…
- OB/GYN A commonly used abbreviation. OB is short for obstetrics or for an obstetrician, a physician who delivers…
- Shock, vasogenic Shock caused by widening of the blood vessels, usually from medication
- Nonpathogenic Incapable of causing disease. Nonpathogenic bacteria are harmless. By contrast, pathogenic bacteria can cause…
- MCAD Abbreviation for medium-chain acyl-CoA dehydrogenase. See: MCAD deficiency
- Muscular dystrophy, Becker A form of muscular dystrophy that is quite similar to Duchenne muscular dystrophy, except that patients with…
- Secretary's knee The patellofemoral syndrome (PFS), the commonest cause of chronic knee pain. PFS characteristically causes…
- Video-assisted surgery A distinctive syndrome of headaches, better known today as cluster headache. There are two main clinical…
- Menopause Menopause: The time in a woman's life when menstrual periods permanently stop; it is also called the 'change…
- Male external genitalia The external genital structures of the male, comprising the penis, the male urethra, and the scrotum
- Collarbone A horizontal bone above the first rib that makes up the front part of the shoulder. The collarbone, also…
- Allogeneic graft See: Allograft