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).
Micropenis
An abnormally small penis. In medical practice, the dimension of the penis that is measured is the length. This measurement is taken along the upper surface of the shaft of the penis to the tip, using a measuring tape or, preferably, a…
Read the definitionRandom terms
Show more- Bed sore A painful, often reddened area of degenerating, ulcerated skin caused by pressure and lack of movement, and…
- Ecogenetics The interaction of genetics with the environment. The genetic disease PKU (phenylketonuria) provides an…
- Last menstrual period By convention, pregnancies are dated in weeks starting from the first day of a woman's last menstrual period…
- Lysine An amino acid, one of the 20 building blocks of protein. A dietary essential amino acid, lysine is present in…
- Myoglobin The pigment in muscle that carries oxygen.
- Jellyfish sting : The injection into the skin of venom from the stinging unit (the nematocyst) of the jellyfish. The…
- Paragonimus infection See: Paragonimiasis
- Urine hemoglobin The presence of free hemoglobin in the urine, an abnormal finding, that may make the urine look dark…
- Neurone A variant spelling of neuron. Sometimes preferred in the UK, as in 'His suffering from motor neurone disease…
- Attack, vasovagal See: Vasovagal reaction
- Chemotherapy-related cognitive dysfunction See: Chemobrain
- Grief, complicated See: Complicated grief