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).
Tablet splitting
The practice of cutting tablets in half. The reason is usually financial. To reduce costs, a physician may prescribe pills that have twice the dose a patient needs and then ask the patient to split the pills in half. To make sure the…
Read the definitionRandom terms
Show more- Multiple system atrophy See: Shy-Drager syndrome, which is also known as multiple system atrophy with postural hypotension
- CPAP Continuous positive airway pressure. CPAP is an effective treatment for obstructive sleep apnea. CPAP…
- Colonoscopy Colonoscopy: A procedure in which a long flexible viewing tube (a colonoscope) is threaded up through the…
- Emergency code While there is no formal definition for a 'Code,' doctors often use the term as slang to refer to a patient…
- Streptococcus haemolyticus Another name for streptococcus pyogenes
- Autoimmune Pertaining to autoimmunity, a misdirected immune response that occurs when the immune system goes awry and…
- Vestibule, vaginal The vaginal opening is called the vestibule of the vagina. In medicine, a vestibule is a space or cavity at…
- ECT Electroconvulsive therapy
- Cerebral herniation The abnormal protrusion of brain tissue through an opening when there is increased intracranial pressure…
- Proton magnetic resonance spectroscopic imaging See: Magnetic resonance spectroscopic imaging
- Biopsy, incisional See: Incisional biopsy
- Community-acquired infection An infection acquired in the community. In contrast to a nosocomial (hospital-acquired) infection