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).
Asparagine
An amino acid, one of the 20 building blocks of protein. Asparagine is nonessential to the diet since the body can synthesize it. Asparagine is important to the metabolism of ammonia. It was the first amino acid to be isolated from a…
Read the definitionRandom terms
Show more- Hyperactivity A higher than normal level of activity. An organ can be described as hyperactive if it is more active than…
- Eyelids, congenital ptosis of the Drooping of the upper eyelids at birth. The lids may droop only slightly or they may cover the pupils and…
- Air bag A bag that fills with air, designed for frontal impact crashes, the kind of crashes which account for more…
- Noncoding DNA The strand of DNA that does not carry the information necessary to make proteins. DNA normally has two…
- LLQ Abbreviation for the left lower quadrant (quarter). The LLQ of the abdomen contains the descending portion of…
- GSTO1 Glutathione S-transferase omega-1
- Benign melanoma See: Melanoma, benign
- Lips Aside from the lips of the mouth, there are two pairs of lips at the entrance to the vagina. They are the…
- Monosodium glutamate MSG, a sodium salt of the amino acid glutamic acid that enhances the flavor of certain foods. Originally…
- MDI 1. Metered-dose inhaler; 2. Multiple daily injections; 3. Mental developmental index, as in 'the Bayley…
- Asian flu A pandemic of influenza A (H2N2) in 1957-58. First identified in China in late February 1957, the Asian flu…
- Treadmill A machine with a moving strip on which one walks without moving forward. A treadmill was originally a wide…