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).
Splenomegaly
Enlargement of the spleen.
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- Circum- Prefix meaning around, surrounding, or encircling. As in circumcision, circumflex, and circumjacent. From the…
- Nail lines See: Beau's lines
- Bacillary angiomatosis A bacterial infection due to a cat scratch most often seen today in people with HIV. The disease…
- Severe tropical cyclone A regionally specific name for a strong tropical cyclone in the Southwest Pacific Ocean west of 160E or…
- BMI calculation The British Medical Journal. The BMJ states that it "aims to help doctors everywhere practice better medicine…
- Marx, Gertie F. Distinguished German-born American physician known as the 'mother of obstetric anesthesia.' She almost…
- Herpesvirus One of a family of double-stranded DNA viruses that cause common infections in humans. These include: herpes…
- Pregnancy symptoms Pregnancy symptoms: A symptom or sign of pregnancy. These symptoms and signs depend upon the time in…
- Water on the brain Known medically as 'hydrocephalus', this is an abnormal buildup of cerebrospinal fluid (CSF) in the…
- Plasmid A circle of DNA that is self-replicating (autonomously replicating) and distinct from the normal genome of…
- Premature birth A birth that takes place before 37 weeks of gestation have passed. Historically, the definition of…