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, Alpers
See: Alpers disease
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Show more- Vomiting of pregnancy, pernicious Medically known as hyperemesis gravidarum, this is excessive vomiting in early pregnancy. By definition…
- Thymus A lymphoid organ situated in the center of the upper chest just behind the sternum (breastbone). It is in the…
- ShRNA Short hairpin RNA. A short sequence of RNA which makes a tight hairpin turn and can be used to silence gene…
- Proxi- Toward the beginning, the nearer of two (or more) items. For example, the proximal end of the femur is part…
- Atonic Without normal muscle tone or strength. An atonic seizure is one in which the person suddenly loses muscle…
- Operon A set of genes transcribed under the control of an operator gene. More specifically, an operon is a segment…
- Medulla The innermost part. The adrenal medulla is the innermost part of that gland. The renal medulla is the inner…
- False vocal cord A fold of mucous membrane covering muscle in the larynx. The false vocal cord separates the ventricle of the…
- Volar Pertaining to both the palm and sole. It comes from word 'vola' which the ancient Romans used for 'the palm…
- Dystonia, writer's cramp A dystonia that affects the muscles of the hand and sometimes the forearm and only occurs during handwriting…
- Drug resistance The ability of bacteria and other microorganisms to withstand a drug to which they were once sensitive and…
- Barbara McClintock See: McClintock, Barbara