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).
Regulatory gene
A gene that regulates the expression of other genes. A regulatory gene is a nosy gene whose prime preoccupation is to horn in on other genes and control the rate at which they make products
Read the definitionRandom terms
Show more- Fascinoma Medical slang for a fascinating case, usually involving a rare disease
- Electrocardiogram Electrocardiogram: A recording of the electrical activity of the heart. An electrocardiogram is a simple…
- Mortality, infant The death of an infant before his or her first birthday. The infant mortality rate is, by definition, the…
- Acute coronary syndromes A spectrum of conditions involving chest discomfort or other symptoms caused by lack of oxygen to the heart…
- Fire ants Originally from S. America. Among the worst insect pests ever to invade the US. Red or yellowish ants of…
- Defibrillator, automated external Destruction of the underlying cartilage framework of the outer ear (pinnae), usually caused by either…
- Lymph An almost colorless fluid that travels through vessels called lymphatics in the lymphatic system and carries…
- Palpable Something that can be felt or touched. For example, a palpable tumor is one that can be felt. From the Latin…
- Sitophilus granarius See: Granary weevil
- Juxtaarticular The prefix 'juxta-' comes from the Latin preposition meaning near, nearby, close. Juxtaarticular is composed…
- Bone, endochondral Any bone that develops in and replaces cartilage. The cartilage is partially or entirely destroyed by the…
- Long-term memory A system for permanently storing, managing, and retrieving information for later use. Items of information…