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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Hay fever
Hay fever: A seasonal allergy to airborne particles characterized by itchy eyes, runny nose, nasal congestion, sneezing, itchy throat, and excess mucus. Hay fever is a misnomer because it is not caused by hay and it does not produce a…
Read the definitionRandom terms
Show more- RLL Acronym for the right lower lobe (of the lung). The right lung has three lobes: the right upper lobe (RUL)…
- Disease, Bowen's N early stage of skin cancer. Bowen disease is medically the same as 'squamous cell carcinoma in situ.'…
- Nursing 1) Profession concerned with the provision of services essential to the maintenance and restoration of health…
- Syndrome X See: Metabolic syndrome
- B. coli The protozoan parasite Balantidium coli. See: Balantidium
- Seroconversion Seroconversion: The development of detectable antibodies in the blood directed against an infectious agent…
- OTC (over-the-counter) Available without a prescription. OTC drugs are available without a prescription, simply 'over the counter.'…
- Open wound An injury that is exposed due to broken skin. An open wound is at high risk for infection
- Genetic immunodeficiency disease See: Primary immunodeficiency disease
- Cyst, Baker A swelling in the space behind the knee (the popliteal space) composed of a membrane-lined sac filled with…
- Parainfectious Occurring at the time of and in association with an acute infection or an episode of infection. For example…
- Amygdaloid body See: Amygdaloid nucleus