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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Central vision
Straight-ahead vision. Central vision is the work of the macula, a small area in the center of the retina that contains a rich collection of cones. (The retina is made up of two types of cells, the cones and the rods. Millions of cones are…
Read the definitionRandom terms
Show more- Menstrual spotting The presence of apparent menstrual blood during the wrong parts of the menstrual cycle. Some women have a…
- Rheumatism Rheumatism is an older term, used to describe any of a number of painful conditions of muscles, tendons…
- Gene, housekeeping See: Housekeeping gene
- Genome All of the genetic information, the entire genetic complement, all of the hereditary material possessed by an…
- Thoracic vertebrae The 12 thoracic vertebrae are situated between the cervical (neck) vertebrae and the lumbar vertebrae. The…
- Infection, pork tapeworm Known medically as cysticercosis, an infection caused by Taenia solium (the pork tapeworm). Infection occurs…
- Overweight The term 'overweight' is used in two different ways. In one sense it is a way of saying imprecisely that…
- Waardenburg, Petrus Johannes See: Stickler syndrome.
- Rebound effect The characteristic of a drug to produce reverse effects when the effect of the drug has passed or the patient…
- Nonepidermolytic palmoplantar keratoderma See: Tylosis with esophageal cancer
- Flu Short for influenza. The flu is caused by viruses that infect the respiratory tract which are divided into…
- Periaortic Around the aorta. The aorta is the great artery that comes from the left ventricle of the heart and delivers…