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).
Pain, back
Pain felt in the low or upper back. There are many causes of back pain. Pain in the low back can relate to the bony lumbar spine, discs between the vertebrae, ligaments around the spine and discs, spinal cord and nerves, muscles of the low…
Read the definitionRandom terms
Show more- Health and Human Services The United States government's principal agency for 'protecting the health of all Americans and providing…
- HDL cholesterol Lipoproteins, which are combinations of lipids (fats) and proteins, are the form in which lipids are…
- Range In medicine and statistics, the difference between the lowest and highest numerical values. For example, if…
- Dissection, neck Surgery in which the neck is opened -- to 'dissect' means to 'cut apart' -- in order to identify, examine…
- Occupational Safety and Health, Nat'l Institut for Better known as NIOSH, the National Institute for Occupational Safety and Health is a US Federal agency…
- Radiation therapy, 3-D A procedure that uses computers to create a 3-dimensional picture of the tumor in order to target it as…
- Ptosis of the eyelids, congenital Drooping of the upper eyelids at birth. The lids may droop only slightly or they may cover the pupils and…
- Lochia The fluid that weeps from the vagina for a week or so after delivery of a baby. At first the lochia is…
- Macrophagic myofasciitis A muscle disease first identified in 1993, macrophagic myofasciitis is named for the findings seen in tissue…
- Athetosis Involuntary writhing movements particularly of the arms and hands.
- Y map The array of genes on the Y chromosome. Once thought to be a genetic wasteland, the Y now is known to contain…
- Test, carcinoembryonic antigen See: Carcinoembryonic antigen