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).
Restriction enzyme
An enzyme from bacteria that can recognize specific base sequences in DNA and cut the DNA at that site (the restriction site). A restriction enzyme acts as a biochemical scissors. Also called a restriction endonuclease. A restriction…
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Show more- Pallidum Part of what are called the basal ganglia of the brain which consist of the globus pallidus and the ventral…
- Bypass An operation in which a surgeon creates a new tubular pathway for the movement of fluids and/or other…
- Knee bursitis Knee bursitis: A bursa is a fluid-filled sac that functions as a gliding surface to reduce friction between…
- Rickets, hypophosphatemic A familial form of rickets characterized by hypophosphatemia (low blood phosphate level), defective…
- Abortion, multiple Two or more miscarriages (spontaneous abortions) by a woman. Couples who have had multiple abortions have…
- Nerve, tenth cranial The tenth cranial nerve, and one of the most important, is the vagus nerve. All twelve of the cranial nerves…
- External genitalia, female See: Female external genitalia
- XX male syndrome A syndrome characterized by the presence of an XX sex chromosome complement in an individual with male…
- Anorgasmia Failure to achieve orgasm (climax) during sexual intercourse. Anorgasmia can result from many causes…
- Transient global amnesia A passing episode of short-term memory loss without other signs or symptoms of neurological impairment. In…
- Mitral valve A valve in the heart situated between the left atrium and the left ventricle that permits blood to flow from…
- National board exams The National board exams in medicine refer to the United States Medical Licensing Examination (USMLE). This…