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).
Atrioventricular (AV)
Pertaining to the atria (the upper chambers of the heart) and the ventricles (the lower chambers of the heart). The AV node is an electrical relay station between the atria and the ventricles. Electrical signals from the atria must pass…
Read the definitionRandom terms
Show more- Hardy-Weinberg law Basic concept in population genetics discovered independently in 1908 by the great English mathematician…
- Test, nerve conduction See: Nerve conduction velocity test
- Tick typhus, African See Typhus, African tick
- Valley fever A disease also called coccidioidomycosis (CM) due to a fungus called Coccidioides immitis. About 40% of…
- Sequence, draft DNA Sequence of a DNA with less accuracy than a finished sequence. In a draft sequence, some segments are missing…
- Renal syndrome with hemorrhagic fever A number of diseases characterized by an abrupt onset of high fever and chills, headache, cold and cough, and…
- Diabetic nephropathy The kidney disease associated with long-standing diabetes. Diabetic nephropathy is also called…
- Pappataci fever See: Sandfly fever
- IgE Immunoglobulin E, a class of immunoglobulins that includes the antibodies elicited by an allergic substance…
- Scapula The shoulder blade (or 'wingbone'), the familiar flat triangular bone at the back of the shoulder. The word…
- Micturition syncope The temporary loss of consciousness upon urinating. (Syncope is the temporary loss of consciousness or, in…
- Genome, roundworm See: Yeast genome.