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).
Memory B cells
Secondary immune-system components that have an affinity for a particular antigen. Like other B cells, memory B cells originate from lymphocytes that develop and are activated in the bone marrow. They become antigen-specific when…
Read the definitionRandom terms
Show more- White blood cell One of the cells the body makes to help fight infections. There are several types of white blood cells…
- Muscle, subscapularis >The subscapularis muscle; >The supraspinatus muscle, which is responsible for elevating the arm and moving…
- Hughes Investigator See: Howard Hughes Medical Institute
- Cancer Cancer: An abnormal growth of cells which tend to proliferate in an uncontrolled way and, in some cases, to…
- Occupational Safety and Health Administration OSHA, an agency of the US government (under the Department of Labor) with the responsibility of ensuring…
- Hepatic biopsy See: Liver biopsy
- Intensive care See critical care
- Trimester The nine months of pregnancy is traditionally divided into three trimesters: distinct periods of roughly…
- Ovulation The release of the ripe egg from the ovary. The egg is released when the cavity surrounding it (the follicle)…
- Growth differentiation factor 8 Also called myostatin. See: Myostatin
- Frambesia Also known as yaws, frambesia is a common chronic infectious disease that occurs mainly in the warm humid…
- Parathyrin A small tumor of the parathyroid gland and the most common disorder of the gland. Parathyroid adenomas are…