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).
X (drug caution code)
Abbreviation on a medication that indicates SOS -- that the medication contains a substance such as acetaminophen that could cause problems -- consult your pharmacist. While not a part of the historical heritage of ancient prescription…
Read the definitionRandom terms
Show more- Mandible The mandible is the bone of the lower jaw. The joint where the mandible meets the upper jaw at the temporal…
- Herbalist One versed in herbal lore and, in regard to therapy, an herb doctor.
- Snot A popular, perjorative, and somewhat offensive term for nasal mucus (mucus produced in the nose)
- Apnea, central sleep Sleep (CSA): Sleep apnea is a breathing disorder characterized by brief interruptions of breathing during…
- Adult-onset diabetes Type 2 diabetes. See also Diabetes, type 2
- Dystonia, laryngeal See: Spasmodic dysphonia
- Intrauterine growth retardation A procedure in which a fine catheter (tube) is inserted through the cervix (the natural opening of the…
- Pneumonic plague Infection of the lungs by Yersina pestis, the bacterial agent that causes the plague, a disease of animals…
- Nadir The lowest point as, for example, the lowest blood count after chemotherapy, the lowest concentration of a…
- Bronchopulmonary segments A subdivision of one lobe of a lung based on the connection to the segmental bronchus. For example, the right…
- Teleological Serving an ultimate purpose in its design. For example, 'What is the true purpose of the nose?' That is a…
- Allergic rhinitis Medical term for hay fever, a condition due to allergy that mimics a chronic cold. (Hay fever is a misnomer…