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).
Rickettsioses
The infectious diseases caused by the rickettsiae. See Rickettsial diseases
Read the definitionRandom terms
Show more- RWI Recreational water illness
- BX Medical abbreviation for biopsy. See: bx
- Day sight Night blindness. Listed in medical dictionaries under 'Nyctalopia' from the Greek 'nyct' (night) + 'aloas'…
- Breast feeding See: Breastfeeding
- Jamais vu From the French, meaning 'never seen'. The illusion that the familiar does not seem familiar. The opposite of…
- Polymerase, RNA Enzyme that catalyzes (speeds) the polymerization of RNA. RNA polymerase uses preexisting nucleic acid…
- Shaken baby syndrome Syndrome: Ines, particularly to the head, caused by violently shaking an infant. The syndrome is the…
- Epigenetic Something that affects a cell, organ or individual without directly affecting its DNA. An epigenetic change…
- Leon virus Type 3 poliovirus. Named after the patient in California from whom this virus was first isolated. There are…
- Neuroplasticity The brain's ability to reorganize itself by forming new neural connections throughout life. Neuroplasticity…
- FLT-3 inhibitor A gene-targeted therapy for a common subtype of acute myeloid leukemia (AML) known as FLT-positive AML in…
- Left hepatic duct The duct that drains bile from the left half of the liver and joins the right hepatic duct to form the common…