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).
Category five hurricane
A hurricane with winds greater than 155 mph (135 kt or 249 km/hr). Storm surge generally greater than 18 ft above normal. Complete roof failure on many residences and industrial buildings. Some complete building failures with small utility…
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Show more- Hematology-oncology The diagnosis, treatment and prevention of blood diseases (hematology) and cancer (oncology) and research…
- Vertebral arch A circle of bone around the canal through which the spinal cord passes. A vertebral arch is composed of a…
- Thymus A lymphoid organ situated in the center of the upper chest just behind the sternum (breastbone). It is in the…
- Precocious Unusually early development, whether it be of intellectual powers, speech, physical traits, etc. Precocious…
- Sign, Kernig A clinical hallmark of meningitis, inflammation of the meninges, the membranes covering the brain and spinal…
- Suction-assisted lipectomy Another name for liposuction, the surgical removal of fat deposits from specific parts of the body, the most…
- Distichiasis Double rows of eyelashes. The extra eyelashes grow from glands called the Meibomian glands and may protrude…
- Swelling of the brain See: Cerebral edema
- Defecation syncope The temporary loss of consciousness (syncope) upon defecating (having a bowel movement). Syncope is the…
- Emergency birth control See: Emergency contraception
- Homologous chromosomes A pair of chromosomes containing the same gene sequences, each derived from one parent
- Inhaler, metered-dose Not something that is contained in a will, but rather a gene, chromosome or genome that is transmitted from…