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).
Syndrome, Hecht
Inherited disorder transmitted as an autosomal dominant trait in which short tight muscles make it impossible to open the mouth fully or keep the fingers straight when the hand is flexed back. The small mouth creates feeding problems. The…
Read the definitionRandom terms
Show more- Disease, fifth See Gaucher disease, type 1.
- Gregarious parasite A parasite whose nutritional requirements permit several to many of them to live simultaneously in or on the…
- Sickness, altitude >If possible, don't fly or drive to high altitude. Start below 10,000 feet (3,048 meters) and walk up. >If…
- Slow-wave sleep Sleep: Stage 3 and 4 non-rapid eye movement (non-REM) sleep. Slow-wave sleep is characterized by brain wave…
- Measles encephalitis Inflammation of the brain (encephalitis) occurs in perhaps 1 in 1,000 cases of measles, starting (up to 3…
- Ear infection, middle (acute) Acute middle ear infection, medically called acute otitis media is inflammation of the middle ear. Acute…
- DR syndrome See: Okihiro syndrome
- PROC Protein C
- Septal defect, ventricular (VSD) A hole in the septum (the wall) between the lower chambers of the heart (the ventricles). Ventricular Septal…
- Vaginal yeast infection Infection of the vagina caused by a fungus known as Candida. A yeast vaginal infection is characterized by…
- Hematoma, subdural See: Subdural hematoma
- Directives, advance medical These documents pertain to treatment preferences and the designation of a surrogate decision-maker in the…