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).
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Night blindness. Listed in medical dictionaries under 'Nyctalopia' from the Greek 'nyct' (night) + 'aloas' (obscure or blind) + 'opsis' (vision), the condition involves impaired vision in dim light and in the dark (but normal sight in…
Read the definitionRandom terms
Show more- Fetal distress Compromise of the fetus during the antepartum period (before labor) or intrapartum period (birth process)…
- Hemiplegia Paralysis of one side of the body. From hemi- (half) + plege (a blow, stroke)
- Aortic regurgitation The return of blood from the aorta into the left ventricle of the heart due to aortic insufficiency…
- Mesodermal Pertaining to the mesoderm or to tissues derived from the mesoderm
- Insulin pump A pump for delivering insulin in order to achieve tight blood sugar control and lifestyle flexibility while…
- Glutathione S-transferase, omega-1 See: Glutathione S-transferase omega-1
- Ammonia A colorless gas with a very sharp odor. Made both by humans and by nature, ammonia dissolves easily in water…
- CST3 The gene for cystatin C
- Corns Corns: Small calloused areas of skin caused by local pressure irritating tissue over a bony prominence. Corns…
- Esophagram A series of x-rays of the esophagus. The x-ray pictures are taken after the patient drinks a solution that…
- Up-regulation See: Upregulation
- Cardiac muscle A type of muscle with unique features only found in the heart. The cardiac muscle is the muscle of the heart…