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).
Cataract, secondary
A cataract that develops secondary to another disease or surgery. The other disease may, for example, be glaucoma or retinal detachment. A secondary cataract is in contrast to a primary cataract, one that develops independently of any…
Read the definitionRandom terms
Show more- Psychosis, schizophrenia The most chronic and disabling of the major mental illnesses. Schizophrenia may be one disorder, or it may be…
- System, parasympathetic nervous A part of nervous system that slows the heart rate, increases intestinal and gland activity, and relaxes…
- Dermatology 1. The branch of medicine concerned with the diagnosis, treatment, and prevention of diseases of the skin…
- Sanguine 1) Having a ruddy (reddish) complexion. 2) Cheerful, hopeful, confident, and optimistic; impulsive. The word…
- Maternal The age of the mother at the time of delivery. Advanced maternal age is usually defined as age 35 or more at…
- Trigeminal neuralgia Trigeminal neuralgia: Also called tic douloureux. Inflammation of the trigeminal nerve (the fifth cranial…
- Diffuse mastocytosis A form of mastocytosis in which the entire skin is thickened and leathery with generalized reddening and…
- Floating rib One of the last two ribs. A rib is said to be 'floating' if it does not attach to the sternum (the breast…
- Cervical vertebra, first The first cervical (neck) vertebra is called the atlas. It supports the head. The atlas bone is named for the…
- Fear of depths An abnormal and persistent fear of depths. Sufferers of this fear experience anxiety even though they realize…
- Injury, scooter See: Scooter injury
- Coryza A cold in the head. The word 'coryza' came from the Greek 'koryza' which is thought to have been compounded…