MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
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- Food and Drug Administration The FDA, an agency within the U.S. Public Health Service, which is a part of the Department of Health and…
- Esophagram A series of x-rays of the esophagus. The x-ray pictures are taken after the patient drinks a solution that…
- Neurogenic shock A type of shock (a life-threatening medical condition in which there is insufficient blood flow throughout…
- Cerebrospinal fluid CSF. A watery fluid, continuously produced and absorbed, which flows in the ventricles (cavities) within the…
- Velvet ant sting Common in most parts of the world including the Southern and Southwestern United States, velvet ants are not…
- WHS Wolf-Hirschhorn syndrome
- Laughing gas Nitrous oxide, a gas that can cause general anesthesia. Nitrous oxide is sometimes given in the company of…
- Tuberculosis, avian A type of tuberculosis affecting birds, caused by Mycobacterium avium, which may be communicated to other…
- Patho- Pathology, with emphasis on the pathophysiological and pathogenetic mechanisms underlying human disease.
- Specific-pathogen free A term applied to animals reared for use in laboratory experiments when the animals are known to be free of…
- Therapy, interpersonal See: Interpersonal therapy
- Warfarin Warfarin: An anticoagulant drug (brand names: Coumarin, Panwarfin, Sofarin) taken to prevent the blood from…