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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Alzheimer disease, early-onset familial
Alzheimer disease that runs in families and strikes at an unusually early age (with its onset under the age of 60). About 7% of early-onset cases of Alzheimer's are familial and are inherited in an autosomal dominant manner with high…
Read the definitionRandom terms
Show more- Gefitinib Gefitinib: A drug that attaches to the epidermal growth factor receptor (EGFR) on the surfaces of cells. The…
- Genetic discrimination The potential use of genetic information to discriminate against people in the workplace, in health…
- RFLP An antigen found in the red blood cells of most people: those who have Rh factor are said to be Rh positive…
- Fixative A medium such as a solution or spray that preserves specimens of tissues or cells. Most biopsies and…
- Roseola infantum Roseola infantum: Roseola infantum is another name for roseola, also formally called roseola infantilis. The…
- Acentric chromosome A fragment of a chromosome (one of the microscopically visible carriers of the genetic material DNA) that is…
- Resorption The process of losing substance. Bone, when it is remodeled (reshaped), undergoes both new formation and…
- Fracture, hangman's See: Hangman's fracture
- Amino acid symbols Symbols that stand for the amino acids, the building blocks of protein. Each amino acid has both a…
- Anal itching L ODYvAlign=top bgColor=#cccccc colSpan=2> vAlign=top width='100%' bgColor=#ffffff>Our Anal itching Main…
- Heterophyes The replacement of normal tissue of the body by abnormal tissue or by malpositioned normal tissue, a tissue…
- Device, assistive Any device that is designed, made, and/or adapted to assist a person to perform a particular task. For…