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).
Pregnancy danger from fifth disease
Caused by a virus known as parvovirus B 19. Symptoms include low-grade fever, fatigue, a 'slapped cheeks rash,' and a rash over the whole body. The illness is not serious in children. Pregnant women (who have not previously had the…
Read the definitionRandom terms
Show more- Fungicide 1. An agent capable of killing fungi. 2. Any pesticide used to control, deter, or destroy fungi. See also…
- Change, single base A change in which a single base in the DNA differs from the usual base at that position. These single base…
- Hypertrophy, benign prostatic Abnormally elevated blood level of uric acid. Uric acid is a breakdown product of purines that are part of…
- Common hepatic duct The duct formed by the junction of the right hepatic duct (which drains bile from the right half of the…
- Pharyngoesophageal diverticulum See: Zenker diverticulum
- Pulmonary edema Fluid in the lungs.
- Hemorrhage, subarachnoid Bleeding within the head into the space between two membranes that surround the brain. The bleeding is…
- Isolate A group in which mating is always between members of the group. For example, the Amish.
- APC (immunology) Antigen-presenting cell, a cell that can 'present' antigen in a form that T cells can recognize it. Among the…
- Toe sign An important neurologic examination based upon what the toes do when the sole of the foot is stimulated. If…
- Ponto- Pertaining to the pons, a structure in the brain
- Erythema nodosum Erythema nodosum: An inflammatory reaction deep in the skin characterized by the presence of tender red lumps…