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).
Count, absolute CD4
See: Absolute CD4 count
Read the definitionRandom terms
Show more- Cancer, uterus See: Uterine cancer
- Depression, winter Depression, winter: See: SAD
- Twenty-twenty Perfectly normal vision. From the ability to score 20/20 on the test of visual acuity with the eye chart…
- Shock syndrome, dengue A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage…
- Chlorpyrifos An insecticide that has adverse neurological effects. Also known as Dursban. Chlorpyrifos causes weakness…
- Fetal alcohol effects (FAE) A softer diagnosis than fetal alcohol syndrome (FAS). The diagnosis of possible FAE is considered when: 1…
- Sign language Sign language: A language that employs signs made with the hands and other movements, including facial…
- High-grade lymphoma A lymphoma that grows and spreads quickly but has a better response to anticancer drugs than that seen with…
- Positron emission tomography Short for postmortem examination (an autopsy).
- Venereal Having to do with sexual contact. The word venereal comes from Venus, the Roman goddess of love. A venereal…
- Raeder's syndrome A distinctive syndrome of headaches, also known as cluster headache or migrainous neuralgia. The common…
- Menangle virus A virus that causes a disease first found in a piggery near Sydney, Australia in 1997. The virus was highly…