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).
GERD
Stands for Gastroesophageal Reflux Disease, a disorder in which there is recurrent return of stomach contents back up into the esophagus, frequently causing heartburn, a symptom of irritation of the esophagus by stomach acid. This can lead…
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Show more- Toll-like receptor 4 TLR4. One in a family of receptors that provide critical links between immune stimulants produced by…
- Poland syndactyly A unique pattern of one-sided malformations characterized by a defect of the chest (pectoralis) muscle on one…
- Fracture, compression A fracture caused by compression, the act of pressing together. Compression fractures of the vertebrae are…
- First American medical school King's College Medical School founded in New York in 1767. Its mission was fairly lofty -- to 'enlarge the…
- Nipple confusion A problem that may beset a bottlefed baby in which it forgets how to nurse on mother's nipple. Breastfeeding…
- Nerve, pressor A pressor nerve is a nerve which, when stimulated, causes the blood pressure to rise. The word 'pressor'…
- Mb Megabase
- Periosteum The periosteum is a dense membrane composed of fibrous connective tissue that closely wraps (invests) all…
- Institute, National Eye (NEI) One of the US National Institutes of Health, NEI's mission is to 'conduct and support research, training…
- Chemical menopause Menopause: Menopause induced by chemotherapy or other chemicals or medications. Chemical menopause is a type…
- Microcephaly Microcephaly: An abnormally small head due to failure of brain growth. In precise terms, microcephaly is a…
- Joint, elbow Three long bones meet in the middle portion of the arm at the elbow joint. The bone of the upper arm…