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).
Premature birth
A birth that takes place before 37 weeks of gestation have passed. Historically, the definition of prematurity was 2500 grams (about 5 1/2 pounds) or less at birth. The current World Health Organization definition of prematurity is a baby…
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Show more- Alogia 1. Complete lack of speech, as in profound mental retardation or advanced dementia. Alogia is synonymous in…
- Thallium Thallium: A metallic element having the symbol Tl and the atomic number 81 and an atomic weight of about 204…
- Sociogenomics The identification of the genes that influence social behavior, the understanding of the influence of these…
- PSP Progressive supranuclear palsy, a neurologic disorder of unknown origin that gradually destroys cells in many…
- Ear cleaning (by a doctor) When so much wax accumulates that it blocks the ear canal (and hearing), your physician may have to wash it…
- Familial lung cancer Lung cancer that recurs in families. Lung cancer can occur sporadically in people with no known family…
- MVP In medicine, not the most valuable player but mitral valve prolapse
- Tourette syndrome Tourette syndrome: A tic disorder characterized by the presence of chronic vocal and motor tics, probably…
- Morning sickness Nausea and vomiting of pregnancy. Morning sickness is a misnomer, because it can occur at any time of the day…
- Prostatectomy, perineal See: Perineal prostatectomy
- Retroposition 1. Simple backward displacement of a structure or organ such as the uterus.2. In genetics, the integration of…
- Subdural hematoma Bleeding into the space between the dura (the brain cover) and the brain itself. This space is called the…