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).
False labor
Intermittent non-productive muscular contractions of the womb (uterus) during pregnancy, most commonly in the last two months before full term. These contractions are non-productive in the sense that they do not produce any flattening…
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Show more- Squamous intraepithelial lesion A general term for the abnormal growth of squamous cells on the surface of the cervix. The changes in the…
- Hair, exclamation point Exclamation point hair is a key diagnostic finding in a disorder called alopecia areata. Alopecia areata is…
- Pathogen inactivation A process designed to eliminate most pathogens -- viruses, bacteria and fungi -- from water, air or donated…
- ARD Acronym that stands for a disorder known as Adult Respiratory Distress or Acute Respiratory Distress. Also…
- Pain, false labor The pain associated with intermittent non-productive muscular contractions of the womb (uterus) during…
- Hemoptysis Spitting up blood or blood-tinged sputum. Pronounced he-MOP-tis-is. The word 'hemoptysis' comes from the…
- Pacemaker, internal A device that uses electrical impulses to regulate the heart rhythm or to reproduce that rhythm. An internal…
- Thoracic aneurysm A local widening and bulging of a vessel (an aneurysm) within the thorax (chest). See: Aortic aneurysm. An…
- Heritable Capable of being transmitted from parent to child.
- Syringe A device used in medicine to inject fluid into or withdraw fluid from the body. Medical syringes consist of a…
- Difficult urination See: Dysuria
- Annotation, genome The process of identifying the locations and the coding regions of genes in a genome and determining what…