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).
Paraskevidekatriaphobia
Fear of Friday the 13th. The word 'paraskevidekatriaphobia' was devised by Dr. Donald Dossey who told his patients that 'when you learn to pronounce it, you're cured!'
Read the definitionRandom terms
Show more- Jugular The principal vein in the front of either side of the neck. The word comes from the Latin jugulum meaning…
- Implantation The act of setting in firmly. In embryology, implantation refers specifically to the attachment of the…
- Acanthosis nigricans A skin condition characterized by dark thickened velvety patches, especially in the folds of skin in the…
- Neuroendocrinology Having to do with the interactions between the nervous system and the endocrine system. In the human body…
- Viral encephalitis Inflammation of the brain as a result of virus infection. There are many viruses that cause viral encephalitis
- United States Pharmacopeia Abbreviated USP. A publication, established in 1820, that contains legally recognized standards of identity…
- A. baumannii Acinetobacter baumannii. See: Acinetobacter
- Sickness, morning Nausea and vomiting of pregnancy. Morning sickness is a misnomer, because it can occur at any time of the day…
- DNA sequence The precise ordering of the bases (A,T,G,C) from which the DNA is composed. DNA sequencing involves…
- TMA See Trimethylaminuri
- Malignant melanoma See: Melanoma
- Labial herpes Herpes: A small sore situated on the face or in the mouth that causes pain, burning, or itching before…