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).
Ultrasound/Ultrasonography
A test in which high-frequency sound waves (ultrasound) are bounced off tissues and the echoes are converted into a picture (sonogram).
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- Disease, cystine transport Commonly known as cystinuria, this is an inherited (genetic) disorder of the transport of an amino acid (a…
- Antibody-dependent cell-mediated cytotoxicity An immune response in which antibody, by coating target cells, makes them vulnerable to attack by immune…
- Succenturiate placenta An extra placenta separate from the main placenta. In anatomy 'succenturiate' means substituting for or…
- SGOT Serum glutamic oxaloacetic transaminase, an enzyme that is normally present in liver and heart cells. SGOT is…
- Short-term memory A system for temporarily storing and managing information required to carry out complex cognitive tasks such…
- Multiple system failure The failure of two or more systems in the body as, for example, the cardiovascular and renal systems…
- DHA 1. Docosahexaenoic acid, an essential fatty acid, thought to be important to the development of infants…
- Pneumonia, bilateral Pneumonia in both lungs. Bilateral pulmonary inflammation. Familiarly known as double pneumonia
- Fear of the dark Pathological fear of the dark, an abnormal and persistent dread of the dark. Sufferers experience undue…
- Homeotherm A homeotherm is a warm-blooded animal (such as homo sapiens). Another term for us warm-blooded creatures is…
- PEP The abbreviation PEP stands for a number of things in medicine including post-exposure prophylaxis…