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).
Physiology
>Some physiological studies are concerned with processes that go on within cells such as phagocytosis, the process by which cells engulf and usually digest particles, bacteria and other microorganisms, and even harmful cells. The…
Read the definitionRandom terms
Show more- Contraceptive sponge, vaginal A contraceptive device that is donut-shaped, made of plastic, contains a spermicide (nonoxynol-9) and is…
- Minimally invasive lung volume reduction Minimally invasive techniques for reducing the lung volume in advanced emphysema, including COPD, to improve…
- Amniotic fluid The fluid bathing the fetus and serving as a shock absorber.
- Postpolio syndrome (PPS) Postpolio syndrome (PPS): Persons who have had polio may develop newly progressive fatigue, pain, and…
- Bacille Calmette Guerin An effective immunization against tuberculosis. Commonly abbreviated BCG, it is an attenuated (weakened)…
- Polonies See: Polony
- Hydronephrosis Hydronephrosis: Distention of the kidney with urine. Due to obstruction of urine outflow (for example, by a…
- Care proxy, health A health care proxy is one form of advance medical directive. Advance medical directives pertain to treatment…
- Meningomyelocele Protrusion of the membranes that cover the spine but some of the spinal cord itself through a defect in the…
- Sleep disorders Sleep disorders: Any disorder that affects, disrupts, or involves sleep. The most common sleep disorder is…
- Hypnagogic hallucination A vivid dreamlike hallucination that occurs as one is falling asleep. The opposite of an hypnopompic…
- Colchicine Colchicine: A substance found in a plant that is used in clinical medicine for the treatment of gouty…