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).
Infertility
Infertility: The diminished ability or the inability to conceive and have offspring. Infertility is also defined in specific terms as the failure to conceive after a year of regular intercourse without contraception. Infertility can be due…
Read the definitionRandom terms
Show more- Visual acuity test This test measures how well you see at various distances. It is the familiar eye chart test. The eye chart…
- Medical scientist A person who combines expertise in medicine and science. Medical scientists of note might, for example…
- PPAR Abbreviation for peroxisome proliferator-activated receptor. There are 3 known subtypes of PPARs --…
- Ion channel A protein that acts as a pore in a cell membrane and permits the selective passage of ions (such as potassium…
- Syndrome, Boerhaave's See: de Lange syndrome.
- Syndrome, stiff baby A genetic disorder also known as hyperexplexia in which babies have an exaggerated startle reflex (reaction)…
- Torre syndrome See: Muir-Torre syndrome
- Melanoma, lentigo maligna One of the four clinical types of malignant melanoma and the slowest growing one. It typically begins as a…
- Brown syndrome An ophthalmology (eye) problem. Brown syndrome is an abnormality that is present at birth (congenitally) and…
- Bunion A bunion is a localized painful swelling at the base of the big toe (the great toe). The joint is enlarged…
- MPS Abbreviation for mucopolysaccharidosis
- Dysgraphia A specific developmental disability that affects the person's ability to write. Problems may include…