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).
Histiocytosis, malignant
Histiocytosis in which the histiocytes actually become cancerous. Treatment is by radiation and chemotherapy, and in some cases bone-marrow transplantation. See also histiocytosis.
Read the definitionRandom terms
Show more- Menetrier disease See: Giant hypertrophic gastritis
- Analytic sensitivity The lowest level of a substance that can be detected by an analytic method
- Pharma food A food product with a pharmacological additive meant to improve health, for example, to lower cholesterol
- Epilepsy, temporal lobe See: Epilepsy, temporal-lobe
- Facial muscle One of the 43 muscles in the human face. The facial muscles convey basic human emotions such as anger…
- Soothing Bringing comfort, solace, reassurance, peace, composure, quietude. To soothe is to allay, balm, becalm, calm…
- St. Vitus dance Another name for Sydenham chorea. St. Vitus is the patron saint of epileptics, dancers, and actors
- Sunburn Sunburn is an inflammation of the skin that develops in response to exposure to ultraviolet (UV) radiation…
- Sylvatic plague Plague that is spread by ground squirrels and other wild rodents, for example, in the western portion of the…
- CNR2 Cannabinoid receptor 2
- Amenorrhea Absence or cessation of menstruation. Amenorrhea is conventionally divided into primary and secondary…
- Monochromat A person with one of the many forms of colorblindness