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).
Lymphadenopathy
Abnormally enlarged lymph nodes. Commonly called 'swollen glands.' The term 'lymphadenopathy' is not as tough as it looks. It is made up of three words: lymph + adeno- (meaning gland) + -pathy (meaning disease) = lymph gland disease. Since…
Read the definitionRandom terms
Show more- Nexus A connection or link. A causal connection. A connected series. 'Nexus' comes from the Latin 'nectere' meaning…
- Bladder catheter, indwelling A flexible plastic tube (a catheter) inserted into the bladder that remains ('dwells') there to provide…
- Chromatophobia An abnormal and persistent fear of money. Sufferers experience undue anxiety even though they realize their…
- Hammer The malleus
- Ortho- (prefix) Prefix meaning straight or erect. From the Greek 'orthos' that means just that: straight or erect. Examples…
- Antivenin Antibodies created in the blood of a horse or sheep when the animal is injected with snake venom. Antivenin…
- Oscitation The act of yawning, the involuntary opening of the mouth with respiration, breathing first inward, then…
- Face, masklike A surgical procedure designed to make the face appear younger by pulling loose facial skin taut. With age or…
- Cyst, synovial, of the popliteal space A swelling in the space behind the knee (the popliteal space). The swelling is composed of a membrane-lined…
- Abiotic 1. Not associated with living organisms.2. Anything in the environment incapable of life, such as the soil or…
- Father (1) The male parent. (2) One who originates. For example, 'Wilhelm Roentgen is considered the father of…
- Cytotoxic Toxic to cells, cell-toxic, cell-killing. Any agent or process that kills cells. Chemotherapy and…