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).
Skin test for immunity
A method of evaluating whether a person has developed an immune response to certain infections. A substance is injected into the deep layer of the skin (dermis), which will cause a reaction if the immune system recognizes it. One of the…
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Show more- Germ cell The eggs and sperm are the germ cells: the reproductive cells. Each mature germ cell is haploid in that it…
- Atrophy Wasting away or diminution. Muscle atrophy is wasting of muscle, decrease in muscle mass. A nerve can also…
- Neurinoma, acoustic A benign tumor that may develop on the hearing and balance nerves near the inner ear. The tumor results from…
- Urgency, urinary An immediate unstoppable urge to urinate, due to a sudden involuntary contraction of the muscular wall of the…
- Phlebitis Inflammation of a vein. With phlebitis, there is infiltration of the walls of the vein and, usually, the…
- Epithelial basement corneal dystrophy A disorder in which the cornea (the normally clear front window of the eye) shows grayish fingerprint lines…
- Hemopoietic See: Hematopoietic
- Anxiety disorder, social Excessive fear of embarrassment in social situations that is extremely intrusive and can have debilitating…
- Gamma-OH A European name for gamma hydroxybutyrate (GHB), a colorless and odorless drug used illicitly for…
- Gram-negative Gram-negative bacteria lose the crystal violet stain (and take the color of the red counterstain) in Gram's…
- Test, CEA CEA (carcinoembryonic antigen) is a protein found in many types of cells but associated with tumors and the…
- Stroke volume The amount of blood pumped by the left ventricle of the heart in one contraction. The stroke volume is not…