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…
Read the definitionRandom terms
Show more- Hormone, mineralocorticoid A group of hormones, the most important being aldosterone, that regulate the balance of water and…
- Spasmodic dysphonia A voice disorder caused by involuntary movements of one or more muscles of the larynx or voice box. People…
- Morgue A place where bodies of the dead are kept before autopsy, funeral, or burial. The first Morgue was in Paris…
- Memory B cells Secondary immune-system components that have an affinity for a particular antigen. Like other B cells, memory…
- Chargaff's rule See: Chargaff rule
- Seckel syndrome The second cranial nerve is the optic nerve, the nerve that connects the eye to the brain and carries the…
- Fornication Sexual intercourse that is 'illicit', outside of marriage. The term 'fornication' has a close medical…
- Tube, otopharyngeal The tube that runs from the middle ear to the pharynx, known also as the Eustachian tube. The function of…
- Scaffold 1. In genetics, the chromosome structure consisting entirely of nonhistone proteins remaining after all the…
- Thyroid hormones Chemical substances made by the thyroid gland, which is located in the front of the neck. This gland uses…
- Cubitus 1. The elbow.2. The forearm and hand.3. The ulna.From the Latin cubitus meaning elbow. The adjective is…
- Keratoma An area of hardened skin, usually called a callus