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).
B-type natriuretic peptide
A 32-amino-acid polypeptide secreted by the ventricles of the heart in response to excessive stretching of myocytes (heart muscles cells) in the ventricles. The levels of B-type natriuretic peptide (BNP) are elevated in patients with left…
Read the definitionRandom terms
Show more- Stokes Adams attack Sudden collapse into unconsciousness due to a disorder of heart rhythm in which there is a slow or absent…
- Neck dissection A surgical procedure in which the neck is opened -- to 'dissect' means to 'cut apart' -- in order to…
- D-IBS Diarrhea-predominant IBS (irritable bowel syndrome)
- Heterotaxy The abnormal placement of organs due to failure to establish the normal left-right patterning during…
- Eye bleed Medically called a subconjunctival hemorrhage. A very common cause of a painless bloody eye usually first…
- Adult acne Popular name for rosacea. For more information, see: Rosacea
- Aorta, abdominal The abdominal aorta is the final section of the aorta, the largest artery in the body. It is a continuation…
- Physician, emergency See: Emergency physician
- Phenomenon, phantom limb See Phantom limb syndrome
- Vision, tubular See: Tubular vision; Tunnel vision
- Cancer, breast, familial A number of factors have been identified that increase the risk of breast cancer. One of the strongest of…
- Klumpke's palsy See: Klumpke palsy