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).
Ocular histoplasmosis syndrome
An eye disease that is a leading cause of vision loss, due to the spread of spores of the fungus Histoplasma capsulatum (histo) from the lungs to the eye where they lodge in the choroid (a layer of blood vessels that provides blood and…
Read the definitionRandom terms
Show more- Caries Dental cavities. Holes in the two outer layers of a tooth called the enamel and the dentin. The enamel is the…
- Gland, sudoriferous The sudoriferous (sweat) glands are small tubular structures situated within and under the skin (in the…
- Arenavirus One of a family of viruses called Arenaviridae whose members are generally associated with diseases…
- Dicysteine Cystine
- Sweat test A simple test that is used to evaluate a patient who is suspected of having cystic fibrosis (CF). The goal of…
- Acinus, pulmonary The ending of a tiny airway in the lung, where the alveoli (air sacs) are located. In anatomy, an acinus is a…
- Hereditary spherocytosis A genetic disorder of the red blood cell membrane clinically characterized by anemia, jaundice (yellowing)…
- Vaccine, rubella A vaccine designed to prevent rubella, or German measles. German measles was once seen merely as a child's…
- Rett syndrome An X-linked dominant neurological disorder that affects girls only and is one of the most common causes of…
- BIID Body integrity identity disorder
- Dystonia, idiopathic torsion A form of dystonia known as early-onset torsion dystonia (also called generalized torsion dystonia) begins in…
- Emergency birth control See: Emergency contraception