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).
DNA virus
A virus in which the genetic material is DNA rather than RNA. The DNA may be either double- or single-stranded. Major groups of double-stranded DNA viruses (class I viruses) include the adenoviruses, the herpes viruses, and the poxviruses…
Read the definitionRandom terms
Show more- Cyanotic Showing cyanosis (bluish discoloration of the skin and mucous membranes due to not enough oxygen in the…
- Genetic infantile agranulocytosis Children born with this condition lack neutrophils (a type of white blood cell that is important in fighting…
- Esophagectomy An operation to remove a portion of the esophagus
- Fungi Plural of fungus
- Invasive cervical cancer Cancer that has spread from the surface of the cervix to tissue deeper in the cervix or to other parts of the…
- Off-pump CABG A coronary artery bypass graft (CABG) done without putting the patient on the heart-lung machine. Off-pump…
- Syndrome, Klippel-Trenaunay-Weber (KTW) A congenital malformation syndrome characterized by the triad of asymmetric limb hypertrophy, hemangiomata…
- Disease, Refsum See Refsum disease
- Emergency code While there is no formal definition for a 'Code,' doctors often use the term as slang to refer to a patient…
- Transfer RNA (tRNA) A class of RNA that has triplet nucleotide sequence complementary to the triplet nucleotide coding sequences…
- Plague genome All of the DNA (the genome) of the bacterium Yersinia pestis that causes the plague, consisting of four rings…
- Parvovirus B19 See: Fifth disease