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).
Ca
The symbol for calcium
Read the definitionRandom terms
Show more- Urinalysis Urinalysis: A test that determines the content of the urine. Because urine removes toxins and excess liquids…
- Herpes simplex type 2 A herpes virus that causes genital herpes, which is characterized by sores in the genital area. Genital…
- Prealbumin One of several plasma proteins such as transthyretin that migrate faster than albumin in an acidic starch gel
- Ductus, patent Failure for the ductus arteriosus, an arterial shunt in fetal life, to close on schedule. Before birth, blood…
- Blood-brain barrier A protective network of blood vessels and cells that filters blood flowing to the brain.
- Anion gap A measurement of the interval between the sum of 'routinely measured' cations minus the sum of the 'routinely…
- NIEHS Stands for National Institute of Environmental Health Sciences, one of the National Institutes of Health in…
- DNA (did not attend) In the UK, DNA is an abbreviation for 'did not attend.' (In the US, the term used for a patient who missed an…
- PV Stands for polycythemia vera, a condition characterized by overproduction (proliferation) of red blood cells…
- Enterostomal therapist A health care specialist trained to help patients care for and adjust to their colostomy.
- Public health school A school designed to teach public health and train public health professionals. The first school of public…
- Fear of pain An abnormal and persistent fear of pain. The fear is excessive, beyond that which is expected under the…