MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Q bands
A form of chromosome band, one of the bright and dull fluorescent bands seen alternating along the length of chromosomes under ultraviolet light after the chromosomes are stained with quinacrine. The Q in Q band stands for Quinacrine, an…
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Show more- Glutamic acid An amino acid, one of the 20 building blocks of protein. A nonessential amino acid, glutamic acid is present…
- Code black While there is no formal definition for a 'Code,' doctors often use the term as slang to refer to a patient…
- Trichinella spiralis The worm that causes trichinosis. Trichinella spiralis larvae can infest pigs and wild game, hibernating in…
- Ornithine An amino acid that is not found in protein but is important in the formation of urea and the disposal of…
- Mortality rate A death rate. There are a number of different types of mortality rates as, for examples, the following: >…
- Sensory neuron A neuron that receives electrical input signals from sensory cells and from other neurons
- Sample, random A group selected randomly, solely by chance
- Chronic lymphocytic leukemia See: Juvenile myelomonocytic leukemia.
- Thymosin One of several polypeptide hormones secreted by the thymus that control the maturation of T cells. They are…
- End-of-life assistant See: Doula (the second meaning)
- Ph.D. Doctor of Philosophy. (From the New Latin, philosophiae doctor). Ph.D.'s are involved in clinical care (as in…
- Runx-1 A protein that is a transcription factor controlling when genes are switched on or off. Runx-1 acts by…