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).
CD4
A large glycoprotein molecule found on the surface of T lymphocytes that serves as the receptor for HIV. The CD4 gene is on chromosome 12 in region 12pter-p12. CD4 is also called T4. See also: Absolute CD4 count
Read the definitionRandom terms
Show more- Bee genome See: Honey bee genome
- Rate, heart Number of heart beats per minute. The normal resting adult heart beats regularly at an average rate of 60…
- Hemoptysis Spitting up blood or blood-tinged sputum. Pronounced he-MOP-tis-is. The word 'hemoptysis' comes from the…
- Genitalia, female See: Female genitalia
- CPM machine A machine used to help rehabilitate a limb (an arm or leg). The continuous passive motion (CPM) machine is…
- Asthma susceptibility gene One of the genes that predisposes a person to asthma. A new gene family that plays a major role in asthma…
- Motion sickness Motion sickness: Motion sickness is a very common disturbance of the inner ear that is caused by repeated…
- GI tract Short for gastrointestinal tract. See: Gastrointestinal tract
- Calcification The process of building bone by suffusing tissues with calcium salts. Also called ossification
- A- See: A-
- R-2 Street term for Rohypnol
- Lingual gyrus An area in the occipital lobe, the visual processing center in the brain. The lingual gyrus extends to the…