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).
Quinquagenarian
Someone in his or her fifties. See also: Age by decade
Read the definitionRandom terms
Show more- Cranial nerve VI The sixth cranial nerve is the abducent nerve. It is a small motor nerve that has one task: to supply a…
- Onycholysis Loosening of the nail from the nail bed, usually starting at the border of the nail. The nail tends to turn…
- Purulent Pertaining to pus. Containing or composed of pus. The term 'purulent' is often used in regard to drainage…
- EMG, surface Surface EMG
- Lubricant An oily or slippery substance. A vaginal lubricant may be helpful for women who feel pain during intercourse…
- Sulfonylurea A class of oral hypoglycemic agents (pills and capsules taken to lower the level of blood glucose) by people…
- Familial amyotrophic lateral sclerosis Amyotrophic lateral sclerosis (ALS) in which there a family history of the disease. Familial ALS constitutes…
- Anencephaly A neural tube defect (NTD) that occurs when the cephalic (head) end of the neural tube fails to close…
- Q bands A form of chromosome band, one of the bright and dull fluorescent bands seen alternating along the length of…
- Meningitis vaccine This term usually refers to a vaccine used to prevent meningococcal meningitis, an inflammation of the…
- Diabetes, adult-onset Type 2 diabetes. See also Diabetes, type 2
- Vasovagal syncope The temporary loss of consciousness in a particular kind of situation (situational syncope) due to a…