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).
Helicobacter pylori
Helicobacter pylori: Bacteria that cause stomach inflammation (gastritis) and ulcers in the stomach. This bacteria is the most common cause of ulcers worldwide. It is often referred to as H. pylori. H. pylori infection is usually acquired…
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Show more- Filovirus A family of viruses that cause hemorrhagic fever. Filoviruses have single- stranded RNA as their genetic…
- Phenocopy 1. An environmental condition that imitates (copies) one produced by a gene. 2.The person who has an…
- Stroke, silent Small strokes that do not cause any symptoms. Silent strokes still damage brain tissue. The most common…
- Base, pressor A pressor base is a substance chemically classified as a base (or amine) that is capable of raising the blood…
- Venipuncture The puncture of a vein with a needle to withdraw blood. Also called phlebotomy or, more often, a blood draw
- Male breast cancer Male breast cancer: See: Breast cancer, male.
- Multiple system atrophy See: Shy-Drager syndrome, which is also known as multiple system atrophy with postural hypotension
- Uterine rupture A tear of the uterus, an uncommon but very serious situation that may result in hysterectomy, urologic…
- Rate, infant mortality The number of children dying under a year of age divided by the number of live births that year. The infant…
- Mycobacterium A large family of bacteria that have unusually waxy cell walls that are resistant to digestion. The…
- Priapism Abnormally persistent erection of the penis in the absence of sexual desire. Priapism can occur in persons…
- X chromosome inactivation See: X inactivation