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).
Pfeiffer syndrome
A syndrome of craniosynostosis (premature fusion of the cranial sutures) due to mutation in FGFR (fibroblast growth factor receptor) characterized by bulging eyes (proptosis) due to shallow eye sockets, underdevelopment of the midface and…
Read the definitionRandom terms
Show more- Systolic The blood pressure when the heart is contracting. It is specifically the maximum arterial pressure during…
- Chickenpox rash Chickenpox rash: Chickenpox is characterized by a rash, often the first sign of the disease. The rash of…
- Memory B cells Secondary immune-system components that have an affinity for a particular antigen. Like other B cells, memory…
- Percutaneous endoscopic gastrostomy (PEG) Percutaneous endoscopic gastrostomy (PEG): A surgical procedure for placing a feeding tube without having to…
- Normotensive Having normal blood pressure. See also: Hypertensive; Hypotensive
- Hypertrophy Enlargement or overgrowth of an organ or part of the body due to the increased size of the constituent cells…
- Pleiotropic cytokine Cytokine that affects the activity of multiple cell types. A cytokine is a small protein that has a specific…
- Oromandibular dystonia Oro- refers to the mouth and mandibular refers to the lower jaw. Oromandibular dystonia affects the muscles…
- Device, medical See: Medical device
- Canker sore Canker sore: A small ulcer crater in the lining of the mouth that is often painful and very sensitive. Also…
- Xanthoma, diabetic See: Eruptive xanthoma
- Gastroenterologic disease Any disease of the digestive system. Gastroenterologic disorders include Barrett's esophagus, bile duct…