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).
Specific developmental disorder
A disorder that selectively affects one area of development, sparing essentially all other areas of development. For example, dysgraphia is one type of specific developmental disorder. In dysgraphia there is inability to write legibly…
Read the definitionRandom terms
Show more- Microphallus An abnormally small penis. Also called micropenis. In medical practice, the dimension of the penis that is…
- Syndrome, Cushing The constellation of symptoms and signs caused by an excess of cortisol hormone. Cushing syndrome is an…
- Egg sac The 'egg sac' or ovary is one of a pair of reproductive glands in women. They are located in the pelvis, one…
- Protein, proteolipid See: Proteolipid protein
- National Coalition for Cancer Survivorship A survivor-led advocacy group that works on behalf of the millions of cancer survivors and the millions more…
- Motulsky dye test A test for glucose 6-phosphate dehydrogenase deficiency (G6PD), a cause of anemia and the most common enzyme…
- Aerotitis Middle ear problems due to changing atmospheric pressures, as when a plane descends to land. The problems…
- Familial breast cancer A number of factors have been identified that increase the risk of breast cancer. One of the strongest of…
- Colorectal adenoma family history See: Colon cancer family history
- Reaction kinetics Kinetics (with an 's' at the end) refers to the rate of change in a biochemical (or other) reaction, the…
- Prinzmetal angina See: Angina, Prinzmetal
- Echolalia The involuntary parrotlike repetition (echoing) of a word or phrase just spoken by another person. Echolalia…