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).
Forced expiratory volume
The volume of air that can be forced out taking a deep breath, an important measure of pulmonary function. The forced expiratory volume in the first second is the FEV1
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Show more- Voiding cystourethrography A procedure done to examine the bladder and urethra while the bladder fills and empties. A radiopaque liquid…
- Medical directives, advance Advance directives preserve the person's right to accept or reject a course of medical treatment even after…
- Sentinel lymph node The first lymph node ('gland') to receive lymphatic drainage from a tumor. Which lymph node is the sentinel…
- Disease, Rendu-Osler-Weber See: Hereditary hemorrhagic telangiectasia
- Oculoplastics Eye plastic and reconstructive surgery., a specialized area of ophthalmology that focuses on the eyelids and…
- Gray baby syndrome A syndrome due to toxicity of the antibiotic chloramphenicol in the newborn, especially the premature…
- Abdominal aorta The abdominal aorta is the final section of the aorta, the largest artery in the body. It is a continuation…
- Human reproductive cloning HTLV. A retrovirus that causes adult T-cell leukemia. HTLV is endemic (constantly present) in southern Japan…
- BAC Abbreviation for bacterial artificial chromosome. An artificially created chromosome in which medium-sized…
- Methylmercury An organic form of mercury that is highly toxic and is the main culprit in mercury poisoning. Methylmercury…
- Epidural anesthetic An anesthetic agent injected into the epidural space, the space outside the dura -- the outermost, toughest…
- Jennerization The production of immunity to a disease by inoculation of an attenuated form of the virus causing the…