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).
Cancer, melanoma
A skin cancer that begins in cells called melanocytes that can grow together to form benign (not cancerous) moles. A change in size, shape, or color of a mole can be a sign of melanoma. It can be cured if detected early, before spread…
Read the definitionRandom terms
Show more- Syndrome, Barlow Barlow syndrome is mitral valve prolapse (also known as 'click murmur syndrome'), the most common heart valve…
- Irradiation, food See: Food irradiation
- Index, body mass (BMI) An index that relates body weight to height. The body mass index (BMI) is obtained by dividing a person's…
- Anticipatory grief The normal mourning that occurs when a patient or family is expecting a death. Anticipatory grief has many of…
- Proxy, health care A health care proxy is one form of advance medical directive. Advance medical directives pertain to treatment…
- Midwife assistant A person who assists a midwife with prenatal care, childbirth education, delivery, and post-natal care. Also…
- Morpheus In Greek and Roman mythology, the son of sleep and the god of dreams who lay on an ebony bed in a dim-lit…
- Rash Rash: Breaking out (eruption) of the skin. Medically, a rash is referred to as an exanthem.
- Vasculitis, retinal Vasculitis, retinal: The retina is the portion of the eye that contains the nerves of sensation that perceive…
- Urinary Having to do with the kidneys, ureters, and bladder. The urinary system represents the functional and…
- Syndrome, Timothy See: Timothy syndrome
- Spinal cord injury Spinal cord injury: Trauma or damage to the spinal cord, the major column of nerve tissue that is connected…