MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Germ
1. A cell or group of cells (called a primordium) capable of developing into an organ, a part or an organism in its entirety. Eggs and sperm are germ cells.2. A pathogenic a microorganism. A microbe capable of causing disease. The germ…
Read the definitionRandom terms
Show more- Acentric chromosome A fragment of a chromosome (one of the microscopically visible carriers of the genetic material DNA) that is…
- Lhermitte sign Sudden transient electric-like shocks extending down the spine triggered by flexing the head forward. Due to…
- Secondhand smoke Also known as environmental tobacco smoke (ETS). See: ETS
- Poikiloderma atrophicans with cataract Better known as the Rothmund-Thomson syndrome, this is an hereditary disease characterized by progressive…
- Symbol of medicine A staff or a rod with a snake curled around it; the staff of Aesculapius, also called Asklepios, the ancient…
- Van der Woude syndrome A genetic disorder characterized by pits of the lower lip and by cleft lip and/or cleft palate. It is the…
- Acid rain Rain resulting from the combination of fossil fuel emissions and water in the atmosphere. The environmental…
- Case-to-infection ratio The ratio of the number of cases of a disease compared to the number of infections with the agent that causes…
- Memory, long-term A system for permanently storing, managing, and retrieving information for later use. Items of information…
- Medication, anti-infective Something capable of acting against infection, by inhibiting the spread of an infectious agent or by killing…
- Sapporo-like virus See: Sapovirus
- Syndrome, Munchhausen Syndrome, Munchhausen: Recurrent feigning of catastrophic illnesses. Munchhausen syndrome is a psychological…