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).
Plasma
The liquid part of the blood and lymphatic fluid, which makes up about half of its volume. Plasma is devoid of cells and, unlike serum, has not clotted. Blood plasma contains antibodies and other proteins. It is taken from donors and made…
Read the definitionRandom terms
Show more- Ossicle Any small bone, such as the tiny bones within the human ear
- Facial canal introitus In anatomy, an introitus is an entrance, one that goes into a canal or hollow organ. The introitus of the…
- Mute A mute is a person who does not speak, either from an inability to speak or an unwillingness to speak. The…
- Immunotherapy Treatment to stimulate or restore the ability of the immune (defense) system to fight infection and disease…
- Calcinosis An abnormal deposit of calcium salts in body tissues, as is seen in some forms of disease
- La Montagne See: La Montagne, John
- Joint, temporomandibular Joint that hinges the lower jaw (mandible) to the skull. Abbreviated TMJ or TM joint.
- Counterpulsation A technique that synchronizes the external pumping of blood with the heart's cycle to assist the circulation…
- Minimal change nephrotic syndrome See: Minimal change disease
- Methicillin A semisynthetic penicillin-related antibiotic, also known as Staphcillin, that once was effective against…
- Posthitis Inflammation of the prepuce (the foreskin of the penis). In the uncircumcised male, posthitis and balanitis…
- Rocky Mountain spotted fever (RMSF) Fever (RMSF): An acute febrile (feverish) disease initially recognized in the Rocky Mountain states, caused…