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).
Lipid
Another word for 'fat.' (Please see the various meanings of Fat.) A lipid is more formally defined as a substance such as a fat, oil or wax that dissolves in alcohol but not in water. Lipids contain carbon, hydrogen and oxygen but have far…
Read the definitionRandom terms
Show more- Growing pains Mysterious pains in growing children, usually in the legs. These pains are similar to what the weekend…
- Hiatal hernia Hiatal hernia: An anatomical abnormality in which part of the stomach protrudes up through the diaphragm into…
- Hairball A wad of swallowed hair. Hairballs can sometimes be found to cause blockage of the digestive system…
- Thoracic aneurysm A local widening and bulging of a vessel (an aneurysm) within the thorax (chest). See: Aortic aneurysm. An…
- Human parainfluenza virus One in a group of four RNA viruses that rank second only to respiratory syncytial virus (RSV) as a common…
- Vision therapy The use of special eye exercises to address eye defects, such as strabismus. Some vision therapists also…
- Akathisia A movement disorder characterized by a feeling of inner restlessness and a compelling need to be in constant…
- Hypoxemia Abnormally low levels of oxygen in the blood. Hypoxemia may be mild to severe and leads to shortness of…
- Cervical Having to do with any kind of neck including the neck on which the head is perched and the neck of the…
- Behcet's disease See: Behcet's syndrome
- Aggressive In oncology, quickly growing, tending to spread rapidly. As, for example, an aggressive tumor
- Study, Framingham See: Framingham Study