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).
ORS
1. Oral rehydration salts. 2. Oral rehydration solution. 3. Orthopaedic Research Society
Read the definitionRandom terms
Show more- Eyes, spots in front of the Also known as 'floaters', blurry spots that drift in front of the eyes but do not block vision. The blur is…
- Unconscious 1. Interruption of awareness of oneself and one's surroundings, lack of the ability to notice or respond to…
- Longitudinal The word come from the Latin longitudo meaning length. Hence, longitudinal means along the length, running…
- A1C A test that measures how much glucose has been sticking during the past 3-4 months to hemoglobin, the…
- Docosahexaenoic acid DHA. An essential fatty acid, thought to be important to the development of infants, particularly as regards…
- Riley-Day syndrome Eponym for familial dysautonomia. See: Familial dysautonomia.
- Lens, objective In a microscope, the objective lens is the lens nearest to the object being examined whereas the lens closest…
- Arachnophobia An abnormal and persistent fear of spiders. Sufferers from arachnophobia experience undue anxiety even though…
- Conception 1. The union of the sperm and the ovum. Synonymous with fertilization.2. The onset of pregnancy, marked by…
- Nose, runny Rhinorrhea is the medical term for this common problem. From the Greek words 'rhinos' meaning 'of the nose'…
- Upper motor neuron A neuron that starts in the motor cortex of the brain and terminates within the medulla (another part of the…
- Paralysis, laryngeal nerve Paralysis of the recurrent laryngeal nerve, a branch of the vagus nerve (a long and important nerve that…