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).
Dizziness, pre-syncopal
Dizziness before fainting. Some symptoms of dizziness such as wooziness, feeling about to black out, and tunnel vision may be pre-syncopal and are due to insufficient blood flow to the brain. These symptoms are typically worse when…
Read the definitionRandom terms
Show more- Epicondylitis Epicondylitis is an inflammation or damage to the area of an epicondyle of bone. An epicondyle is a…
- Pro time The pro time (or, more properly, the prothrombin time) is a test of the integrity of part of the clotting…
- Rupture, uterine A tear of the uterus, an uncommon but very serious situation that may result in hysterectomy, urologic injury…
- Tripeptide A peptide consisting of three amino acids
- Meibomianitis Inflammation of the little glands called Meibomian glands located in the eyelids that make a lubricant which…
- Facioauriculovertebral sequence See: Goldenhar syndrome
- Meningitis Inflammation of the meninges, usually due to a bacterial infection but sometimes from viral, protozoan, or…
- Familial A condition that is tends to occur more often in family members than expected by chance alone. A familial…
- Neurosis A chronic disorder featuring irritability of the nervous system (nervousness) and characterized by anxiety…
- Dermicidin A potent anti-infective agent that is a natural component of sweat. The first antimicrobial agent found that…
- Paresis, general A part of late ('tertiary') syphilis a decade or more after the initial infection, due to chronic…
- Progressive multifocal leukoencephalopathy A rapidly progressive, often fatal viral infection of the brain. Commonly abbreviated as PML. PML is believed…