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).
LAC encephalitis
LaCrosse encephalitis, one of the main types of encephalitis caused by an arbovirus in the US. An arbovirus is a virus that is arthropod-borne (carried by a mosquito, tick or another kind of arthropod). The arbovirus infects and inflames…
Read the definitionRandom terms
Show more- Beta cell, pancreatic A type of cell in the pancreas (the organ of the digestive system located behind the stomach). Within the…
- Vertical Passage of a disease-causing agent (a pathogen) vertically from mother directly to baby during the perinatal…
- Small calorie (Calorie) A type of lung cancer in which the cells appear small and round under the microscope. Also called oat cell…
- Cytokine A small protein released by cells that has a specific effect on the interactions between cells, on…
- Nasal mucus A slippery fluid produced by the membranes lining the nose. Excessive nasal mucus is the basis of a runny…
- Anesthetic, general An anesthetic that puts the person to sleep
- Polypeptide A peptide consisting of 2 or more amino acids. Amino acids make up polypeptides which, in turn, make up…
- Childhood ataxia with CNS hypomyelinization Ataxia with central nervous system hypomyelinization: An inherited brain disease that occurs mainly in…
- Retinal pigment epithelium The pigment cell layer that nourishes the retinal cells. The retinal pigment epithelium is located just…
- Veins, ophthalmic The orbital cavity is drained by paired veins called the superior and inferior ophthalmic veins. The superior…
- Pathogenesis The development of a disease. The origin of a disease and the chain of events leading to that disease
- Ovary cyst, follicular A fluid-filled sac in the ovary, the most common type of ovarian cyst. It results from the growth of a…