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).
Crib death
The sudden and unexpected death of a baby with no known illness, typically affecting infants from 2 weeks to 6 months of age while sleeping. Crib death is now called Sudden Infant Death Syndrome (SIDS). Babies at an increased risk for SIDS…
Read the definitionRandom terms
Show more- Huntingtin The name of the gene responsible for Huntington disease (HD) and of the protein encoded by that gene. The…
- Sagittal sinus A crucial large vein that goes over the top of the skull from front to back and then splits to take blood…
- Saccharomyces cerevisiae Baker's yeast. The simplest single-cell organism that operates in a manner similar to a human cell and…
- Infant carbohydrate intake Carbohydrates (glucose, lactose, sucrose, galactose, etc.) are sugars or several sugars linked together…
- Oligo- (prefix) Means just a few or scanty. From the Greek 'oligos', few, scanty. Examples of terms starting with oligo-…
- Separation anxiety disorder Excessive anxiety concerning separation from home or from those to whom a child is attached. The child may…
- Long-term care facility A facility that provides rehabilitative, restorative, and/or ongoing skilled nursing care to patients or…
- RUL Acronym for the right upper lobe (of the lung). The right lung has three lobes: the right lower lobe (RLL)…
- Palate The roof of the mouth. The front portion is bony (hard palate), and the back portion is muscular (soft palate)
- Exemestane An oral antiestrogen. Exemestane inhibits the enzyme aromatase in the adrenal glands that produces the…
- Narcan Brand name for naloxone
- Esophagram A series of x-rays of the esophagus. The x-ray pictures are taken after the patient drinks a solution that…