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).
Mastoiditis
Inflammation of the mastoid, often secondary to ear infection.
Read the definitionRandom terms
Show more- Food Any substance eaten to provide nutritional support for the body
- Neurosurgeon A physician trained in surgery of the nervous system and who specializes in surgery on the brain and other…
- Polypsis of the colon Multiple polyps with a high malignant potential in the large bowel. This hereditary condition is also known…
- Hydrops fetalis Gross edema (swelling), usually with anemia, of the fetus. It can be due to Rh blood group incompatibility…
- Basal ganglia A region consisting of 3 clusters of neurons (called the caudate nucleus, putamen, and the globus pallidus)…
- Neonatal lupus A lupus-like disease in a baby due to the transfer through the placenta of lupus antibodies from the mother…
- Progressive supranuclear palsy Progressive supranuclear palsy: A neurologic disorder of unknown origin that gradually destroys cells in many…
- Yolk stalk A narrow tube present in the early embryo that connects the midgut of the embryo to the yolk sac outside the…
- K kingae Kingella kingae
- ACh (acetylcholine) Abbreviation for acetylcholine. See: Acetylcholine
- Endonuclease An enzyme that cleaves a nucleic acid (DNA or RNA) at specific internal sites in the nucleotide base sequence
- Secondary amenorrhea The abnormal cessation of menstruation. Amenorrhea is conventionally divided into primary and secondary…