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).
Epilepsy
(seizure disorder): When nerve cells in the brain fire electrical impulses at a rate of up to four times higher than normal, this causes a sort of electrical storm in the brain, known as a seizure. A pattern of repeated seizures is…
Read the definitionRandom terms
Show more- NCI (National Cancer Institute) The National Cancer Institute is one of the National Institutes of Health (NIH) in the U.S. The mission of…
- Cystinuria Cystinuria: An inherited (genetic) disorder of the transport of an amino acid (a building block of protein)…
- Ventricle, left The ventricles are the two lower chambers of the heart. The left ventricle is the chamber that receives blood…
- Ventricle, lateral >Lateral ventricles: The lateral ventricles are in the cerebral hemispheres, one in each hemisphere. Each…
- Thyroid hormone receptor A molecule that receives a thyroid hormone and permits it to dock on the nuclear membrane of a cell. The…
- Shy-Drager syndrome A mysterious progressive disorder of the central and sympathetic nervous systems, also called multiple system…
- Medication, antifungal A drug used to treat fungal infections. Examples of antifungal drugs include miconazole (MONISTAT) and…
- First cranial nerve The olfactory nerve, the nerve that permits the sense of smell. See: Olfactory nerve
- Color, skin See: Skin color
- Chromosome band One of the transverse bands produced on chromosomes by differential staining techniques. Depending on the…
- Autosomal recessive A genetic condition that appears only in individuals who have received two copies of an autosomal gene, one…
- Blender experiment See: Hershey-Chase experiment