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).
Fertility
The ability to conceive and have children, the ability to become pregnant through normal sexual activity. Infertility is defined as the failure to conceive after a year of regular intercourse without contraception. Infertility is on the…
Read the definitionRandom terms
Show more- Listeria A group of bacteria capable of causing miscarriage (spontaneous abortion), stillbirth and premature birth and…
- Parasomnia A sleep disorder in which odd or dangerous events occur that intrude on sleep. The parasomnias include sleep…
- Surgery, anti-reflux (fundoplication) A surgical technique that strengthens the barrier to acid reflux when the lower esophageal sphincter does not…
- Pulse, pistol-shot See: Pulse, water hammer
- Hippocratic Oath One of the oldest binding documents in history, the Oath written by Hippocrates is still held sacred by…
- Congenital bilateral absence of vas deferens A condition in males when the tubes that carry sperm from the testes (the vas deferens) fail to develop…
- Chinese medicine See: Traditional Chinese medicine
- Hansen's bacillus See: Hansen bacillus
- Retinal vasculitis Vasculitis: The retina is the portion of the eye that contains the nerves of sensation that perceive light…
- Vaginoscopy The use of a viewing instrument to visualize the vaginal canal. Most commonly, a form of endoscope is used in…
- Nerve, sciatic The largest nerve in the body, the sciatic nerve begins from nerve roots in the lumbar part of the spinal…
- Psychology, clinical A professional specialty concerned with diagnosing and treating diseases of the brain, emotional disturbance…