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).
Immunization, children's
>Hepatitis B >Diphtheria, tetanus, pertussis >Haemophilus influenzae type B (HIB) >Poliovirus >Measles, mumps, rubella >Varicella zoster virus (chickenpox). Every child in the U.S. should have these vaccinations except when there are…
Read the definitionRandom terms
Show more- Hydrocephaly Also known as hydrocephalus, this is an abnormal buildup of cerebrospinal fluid (CSF) in the ventricles of…
- SPECT An acronym that stands for Single Photon Emission Computed Tomography, a nuclear medicine procedure in which…
- HPIV Human parainfluenza virus
- Disease, hand-foot-and-mouth A viral syndrome with a rash on the hands and feet and in the mouth. The internal rash (the enanthem)…
- Beta error The statistical error (said to be 'of the second kind' or type II) made in testing when it is concluded that…
- Inhibition, orgasmic See: Anorgasmia
- Facies A direct borrowing from the Latin, facies means face.
- Receptor, chemokine Receptor, chemokine: A molecule that receives a chemokine and a chemokine dock. A chemokine is a protein that…
- Taste Taste belongs to our chemical sensing system, or the chemosenses. The complicated process of tasting begins…
- Trichobezoar A wad of swallowed hair. Also called a hairball. Trichobezoars can sometimes be found to cause blockage of…
- Caesarian section Also referred to as a C-section. A procedure in which a baby, rather than being born vaginally, is surgically…
- Atresia Absence of a normal opening or failure of a structure to be tubular. Atresia can affect many structures in…