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).
Metacentric chromosome
A chromosome with arms of equal length.
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Show more- Methemoglobin A particular type of hemoglobin that is altered so that it is useless for carrying oxygen and delivering it…
- NREM sleep Sleep: NREM (non-rapid eye movement) sleep is dreamless sleep. During NREM, the brain waves on the…
- Cerebral ventricle >Lateral ventricles: The lateral ventricles are in the cerebral hemispheres. Each lateral ventricle consists…
- Life-support A disease associated with the way a person or group of people lives. Lifestyle diseases include…
- Nevi The plural of nevus
- Antiviral An agent that kills a virus or that suppresses its ability to replicate and, hence, inhibits its capability…
- Diuresis The increased formation of urine by the kidney. See diuretic for more detail
- Focal dystonia due to blepharospasm The involuntary forcible closure of the eyelid due to spasms. The first symptoms may be uncontrollable…
- Vaginitis, atrophic Thinning of the lining (the endothelium) of the vagina due to decreased production of estrogen. This may…
- Gastroenterologic disease Any disease of the digestive system. Gastroenterologic disorders include Barrett's esophagus, bile duct…
- Bone, carpal One of the wrist bones. There are eight carpal bones that are arranged in two rows. The carpal bones…
- Hyper-IgD syndrome A genetic disorder characterized by recurring attacks of chills and fever that usually start before the first…