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).
Postmaturity
Overly mature, overly developed, especially as regards a baby. A baby born 2 weeks (14 days) or more after the usual 9 months (280 days) of gestation. The gestation (length of the pregnancy) is calculated from the date of the last…
Read the definitionRandom terms
Show more- Deficiency, zinc According to the National Academy of Sciences, the Recommended Dietary Allowances of zinc are 12 milligrams…
- Quality adjusted life year (QALY) A year of life adjusted for its quality or its value. A year in perfect health is considered equal to 1.0…
- H. erectus See: Homo erectus
- Clinical research trials Clinical research trials: Trials to evaluate the effectiveness and safety of medications or medical devices…
- Friend in dying See: Doula (the second meaning)
- Vestibular disorders Vestibular disorders: Disorders of the body's balance (vestibular) system in the inner ear due to a…
- Erb palsy A form of brachial plexus palsy in which there is paralysis of the muscles of the upper arm and shoulder…
- Nipple, supernumerary An extra nipple. Supernumerary nipples are usually smaller than normal and vestigial (nonfunctional, without…
- PAH Polycyclic aromatic hydrocarbon
- Ketoacidosis A feature of uncontrolled diabetes mellitus characterized by a combination of ketosis and acidosis. Ketosis…
- Zollinger-Ellison syndrome A rare disorder caused by a tumor called a gastrinoma, most often occurring in the pancreas. The tumor…
- Hypoventilation The state in which a reduced amount of air enters the alveoli in the lungs, resulting in decreased levels of…