MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Sterilization, male surgical
Male surgical sterilization is done by vasectomy which involves sealing, tying or cutting a man's vas deferens, the tube which otherwise would carry the sperm from the testicle to the penis. Vasectomy is a relatively short operation…
Read the definitionRandom terms
Show more- Esophageal reflux A condition wherein stomach contents regurgitate or back up (reflux) into the esophagus (a long cylindrical…
- Liver spot A pigmented flat spot on sun-exposed skin in older adults, especially on the back of the hands and on the…
- LLL Acronym for the left lower lobe (of the lung). The left lung has but two lobes. The other lobe is the left…
- Gonad A reproductive gland (ovary or testis) that produces germ cells (gametes). In embryonic life, the gonad in…
- Phenol 1. A poisonous corrosive compound obtained by the distillation of coal tar that, in dilute solution, is an…
- Laryngeal stenosis Narrowing or constricting of the larynx, the voice box
- Peristalsis The rippling motion of muscles in the digestive tract. In the stomach, this motion mixes food with gastric…
- Eye Institute, National (NEI) One of the US National Institutes of Health, NEI's mission is to 'conduct and support research, training…
- Hormone, thyrotropin A hormone produced by the pituitary gland at the base of the brain in response to signals from the…
- Temporal arteritis Also called giant cell arteritis or cranial arteritis, this is a serious disease characterized by…
- Sentinel node biopsy See: Sentinel lymph node biopsy
- Rib, cervical A extra rib which arises from the seventh cervical vertebra. It is located above the normal first rib. A…