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).
Lamarckism
The theory of acquired characteristics put forth by Jean-Baptiste P.A. Lamarck (1744-1829), a French botanist, zoologist and biological philosopher. According to Lamarck, evolution occurs because organisms can inherit traits acquired by…
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Show more- Xanthinuria An inherited metabolic disorder in which there is deficiency of an enzyme needed to process xanthine, a…
- Vesical Refers to the urinary bladder. The word comes from the Latin vesica meaning a bag or bladder
- PEEP Peeping tom (voyeurism) is a disorder that involves achieving sexual arousal by observing an unsuspecting and…
- Rate, basal metabolic A measure of the rate of metabolism. For example, someone with an overly active thyroid will have an elevated…
- Ankle twist See: Ankle sprain
- Intraepithelial Within the layer of cells that forms the surface or lining of an organ
- Nerve, pressor A pressor nerve is a nerve which, when stimulated, causes the blood pressure to rise. The word 'pressor'…
- Disorder, seasonal affective (SAD) Depression that tends to occur (and recur) as the days grow shorter in the fall and winter. It is believed…
- Post-nasal drip Mucous accumulation in the back of the nose and throat leading to or giving the sensation of mucus dripping…
- Nephrolith A kidney stone
- Cytokine A small protein released by cells that has a specific effect on the interactions between cells, on…
- Gene The basic biological unit of heredity. A segment of deoxyribonucleic acid (DNA) needed to contribute to a…