MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Crossing over
The exchange of genetic material between two paired chromosomes. Crossing over is a way to recombine the genetic material so that each person (except for identical twins) is genetically unique
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Show more- Disease, Fong See Nail-patella syndrome
- Virus, lymphadenopathy Another name for the human immunodeficiency virus (HIV), the cause of AIDS. Please see: Virus, human…
- TIPS TIPS stands for 'transjugular, intrahepatic, portosystemic shunt.' It is a shunt (tube) placed between the…
- Seed implantation Radiation treatment given by placing radioactive material contained within a small cylindrical shell directly…
- Th3 A distinct type of T-helper cell. See: T-helper cell
- Babinski sign An important neurologic examination based upon what the big toe does when the sole of the foot is stimulated…
- Human T-lymphotropic virus type III An obsolete term for the human immunodeficiency virus, now commonly called HIV
- DMD (dystonia musculorum deformans) Also called torsion dystonia, this is a rare, generalized dystonia (a state of abnormal -- either excessive…
- Puncture wound An injury caused by a pointed object that pierces or penetrates the skin. Any puncture wound through tennis…
- Erythema infectiosum A sometimes-used Latin name for fifth disease. See Fifth disease
- Fear of flowers An abnormal and persistent fear of flowers. Sufferers experience undue anxiety even though they realize they…
- Prostate A gland within the male reproductive system that is located just below the bladder. Chestnut shaped, the…