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).
Data
Facts, statistics, and the like. In medicine and the health sciences, people often speak of 'the data' erroneously in the singular. 'Data' is a plural noun and takes a plural verb, as in 'the data are very convincing.' It comes from the…
Read the definitionRandom terms
Show more- Biochemistry The chemistry of biology, the application of the tools and concepts of chemistry to living systems…
- Macroglobulinemia A condition in which the blood contains high levels of large proteins and is too thick to flow through small…
- Patellar tendonopathy See: Patellar tendonitis
- Dysphasia One in a group of speech disorders in which there is impairment of the power of expression by speech…
- Purpura, Schonlein-Henoch See: Schönlein-Henoch purpura
- Menstrual irregularity The normal menstrual cycle is about four weeks long, and often follows the phases of the moon. Its length…
- Neurotoxin A substance that causes damage to nerves or nerve tissue. For example, lead is a neurotoxin
- Vomitus Matter from the stomach that has come up into and may be ejected beyond the mouth, due to the act of…
- Arboviral encephalitis Inflammation of the brain (encephalitis) caused by infection with an arbovirus, a virus transmitted by a…
- Migraine aura Sensory phenomena that may occur before a migraine. Visual auras may include flashing lights, geometric…
- Genetic counselor A health professional with a specialized graduate degree and experience in the areas of medical genetics and…
- CML Chronic myelogenous leukemia, which is also known as chronic myeloid leukemia and chronic myelocytic leukemia