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).
Twelfth cranial nerve
The hypoglossal nerve. The twelve cranial nerves, including the hypoglossal nerve, emerge from or enter the skull (the cranium). The hypoglossal nerve supplies the muscles of the tongue. Paralysis of the hypoglossal nerve affects the…
Read the definitionRandom terms
Show more- Biopsy, bone marrow See: Bone marrow biopsy
- Disorder, bipolar See: Bipolar disorder
- Laying on of hands In alternative medicine, an ancient method of healing by touching a person with the hands or palms, usually…
- Orthostatic hypotension A temporary lowering of blood pressure (hypotension) due usually to suddenly standing up (orthostatic)…
- Immunization, hepatitis A See: Hepatitis A immunization
- Resistance Opposition to something, or the ability to withstand it. For example, some forms of staphylococcus are…
- Cancer of the pancreas See: Pancreatic cancer
- Epsom salt Magnesium sulfate. Known as Epsom salt because it was originally extracted from the mineral-rich water of…
- Nasal passage The walls of the nasal passages are coated with respiratory mucous membranes which contain innumerable tiny…
- Pancreatectomy A procedure in which a surgeon takes out part or all of the pancreas (an organ behind the lower part of the…
- Feverfew An herb that has been most commonly used for migraine headaches. Feverfew can cause allergic reactions…
- Stretch, quadriceps An exercise to stretch the quadriceps muscle, the large muscle in the front of the thigh. To do this…