MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Medication, vasodilator
Drugs that act as blood vessel dilator (vasodilators) and open vessels by relaxing their muscular walls). For example, nitroglycerin is a vasodilator. So are the ACE (angiotensin converting enzyme) inhibitors.
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Show more- System, central nervous (CNS) That part of the nervous system that consists of the brain and spinal cord. The central nervous system (CNS)…
- Dental and Craniofacial Research, National Inst. E of (NIDCR): One of the National Institutes of Health (NIH) in the U.S., the NIDCR is for dental and other…
- Acupuncturist A person skilled in the practice of acupuncture, who may or may not be credentialed by a national accrediting…
- Gastric stapling A surgical procedure that converts the upper part of the stomach into a very small pouch by stapling portions…
- GSS Gerstmann-Straussler-Scheinker. See: Gerstmann-Straussler-Scheinker syndrome
- Palliation To palliate a disease is to treat it partially and insofar as possible, but not cure it completely…
- Ovarian pregnancy An abnormal pregnancy that takes place within the ovary itself due to the development of a fertilized ovum…
- Syncope, micturition The temporary loss of consciousness upon urinating. (Syncope is the temporary loss of consciousness or, in…
- Rupture, uterine A tear of the uterus, an uncommon but very serious situation that may result in hysterectomy, urologic injury…
- Aristolochia fangchi A Chinese herb that is injurious to the kidney and is also associated with an increased risk of cancer of the…
- Band, chromosome One of the transverse bands produced on chromosomes by differential staining techniques. Depending on the…
- AST 1. Aspartate aminotransferase, an enzyme normally present in liver and heart cells. AST is released into…