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).
Fatty acid
One of many molecules that are long chains of lipid-carboxylic acid found in fats and oils and in cell membranes as a component of phospholipids and glycolipids. (Carboxylic acid is an organic acid containing the functional group -COOH.)…
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Show more- Ptosis of the eyelids, adult Drooping of the upper eyelids in adults, most commonly due to separation of the tendon of the lid-lifting…
- Desert fever A disease also called coccidioidomycosis (CM) due to a fungus called Coccidioides immitis. About 40% of…
- Gout Gout: Condition characterized by abnormally elevated levels of uric acid in the blood, recurring attacks of…
- French paradox A small structure that has a restraining function. For example, the lingual frenulum attaches the tongue to…
- Glaucoma, symptoms of At first, there are no symptoms. Vision stays normal, and there is no pain. However, as the disease progress…
- Seizure, Jacksonian See: Jacksonian seizure
- Pneumomediastinum Free air in the mediastinum (space betweens the lungs) which may give rise to pneumothorax or…
- Calcium deficiency A low level of calcium in the blood (hypocalcemia) which can make the nervous system highly irritable causing…
- Neuroplasticity The brain's ability to reorganize itself by forming new neural connections throughout life. Neuroplasticity…
- Childbed fever Fever due to an infection usually of the placental site within the uterus. The fever is also called…
- Genes The basic biological units of heredity. Segments of deoxyribonucleic acid (DNA) needed to contribute to a…
- Shock, psychologic Trauma due to psychological events, as in 'shell shock' (now known as post-traumatic stress disorder)