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).
Thioxanthene
One of a group of drugs with antipsychotic activity which act by blocking postsynaptic (after-the-nerve) receptors for dopamine (a chemical that nerves use to communicate with one another) in the brain. Examples include: thiothixene (brand…
Read the definitionRandom terms
Show more- Membrane A very thin layer of tissue that covers a surface.
- Ice cream headache A headache that occurs when one puts ice, a cold food or chilled beverage in the mouth. Ice cream is by far…
- Pustule A pustule is a small collection of pus in the top layer of skin (epidermis) or beneath it in the dermis…
- Helminthphobia An abnormal and persistent fear of being infested with parasitic worms called helminths. The eggs of these…
- Dystocia, cervical See: Cervical dystocia
- Flatfoot 1. A foot in which the arch of the instep is flattened and the entire sole touches the ground. See…
- Myelogenous Referring to the nonlymphocytic groups of white blood cells, including the granulocytes, monocytes and…
- PCP Pneumocystis carinii pneumonia. A parasitic infection of the lungs that is particularly common and…
- Inch In length, 1/12th of foot or 1/36 of a yard or, metrically, 2.54 centimeters. The inch, along with the foot…
- Step therapy The practice of beginning drug therapy for a medical condition with the most cost-effective and safest drug…
- Release, carpal tunnel A surgical procedure to relieve pressure exerted on the median nerve within the carpal tunnel (the carpal…
- Oligomenorrhea A reduction in number of menstrual periods and/or amount of menstrual flow.