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).
Pacemaker, natural
Pacemaker, natural: The natural pacemaker of the heart is the sinus node, one of the major elements in the cardiac conduction system, the system that controls the heart rate. This stunningly designed system generates electrical impulses…
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Show more- Litmus A pigment used as a test for acidity and alkalinity. Litmus paper turns red in acid and blue in an alkaline…
- Date rape Rape of a woman by a man with whom she is acquainted. The rapist is usually the woman's 'date' (escort)…
- Gyrus A convolution on the surface of a cerebral hemisphere caused by the infolding of the cerebral cortex. The…
- APL Abbreviation for acute promyelocytic leukemia, a malignancy of the bone marrow in which there is a deficiency…
- Disease, Stein-Leventhal >Irregular or no periods >Acne >Obesity, and >Excess hair growth. All women with PCO have irregular or no…
- Meniscus The word 'meniscus' comes from the Greek and refers to a crescent-shaped structure. Today a meniscus is…
- Tooth numbering The accordance of a unique number to each tooth. The Universal/National System for permanent (adult)…
- DNA, nongenetic Through the marvelous medium of the Internet, we have discovered that DNA need not refer to deoxyribonucleic…
- Monte Carlo simulation A statistical method used in biomedical research, involving computer simulation in which data are randomly…
- Caudal anesthesia Anesthesia produced by injection of a local anesthetic into the caudal canal, the sacral portion of the…
- Severe congenital neutropenia Neutropenia: A genetic disorder of the bone marrow characterized by a lack of neutrophils, white blood cells…
- Fever, remittent A type of fever that gradually decreases in intensity over time