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).
Miliary aneurysm
An aneurysm that is tiny like a millet seed. Miliary aneurysms tend to affect minute arteries in the brain and, in the eye, in the retina. One of the botanical borrowings by medicine, 'miliary' refers to the millet seed, millet being a…
Read the definitionRandom terms
Show more- Maturity onset diabetes of the young Diabetes mellitus that has early onset (usually before the age of 25), is non-insulin-dependent, and is…
- Nictitate To wink. Nictitating spasm is spasm of the eyelid with continuous winking. 'Nictitate' and the older verb…
- Metatarsus The part of the foot that lies just beyond the tarsus, between the tarsus and the toes. The skeleton of the…
- Copy number polymorphism Abbreviated CNP. A normal variation in DNA due to variation in the number of copies of a sequence within the…
- Philtrum The area from below the nose to the upper lip. Normally the philtrum is grooved. In fetal alcohol syndrome…
- Pressure, intraocular The pressure created by the continual renewal of fluids within the eye. The intraocular pressure is increased…
- Hypovolemia An abnormal decrease in blood volume or, strictly speaking, an abnormal decrease in the volume of blood…
- Tetraphocomelia-thrombocytopenia syndrome See TAR syndrome
- Janiceps Conjoined twins whose heads are fused together, with the faces looking in opposite directions, like the…
- Fear of ghosts An abnormal and persistent fear of ghosts. Sufferers of this fear experience undue anxiety even though they…
- Genome, bee See: Honey bee genome
- DGS See: DiGeorge syndrome