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).
Pancreatic beta cell
A type of cell in the pancreas that makes insulin. The pancreas is a fish-shaped organ that stretches across the back of the abdomen behind the stomach. Within the pancreas there are areas that are called the islets of Langerhans. The beta…
Read the definitionRandom terms
Show more- Alexander disease A slowly progressive and ultimately fatal brain disorder that most commonly occurs in children. The infantile…
- Doxycycline Doxycycline: Brand name: Vibramycin. A synthetic broad-spectrum antibiotic derived from tetracycline…
- Overactive bladder Overactive bladder: A sudden involuntary contraction of the muscular wall of the bladder causing urinary…
- Leech therapy The use of leeches in medical treatment. Once used as an almost universal cure, leeches were largely…
- Syndromic Part of a syndrome. Hearing loss, for instance, can be syndromic or nonsyndromic
- Oligohydramnios Scant amniotic fluid: less than usual.
- Antero- Prefix signifying before, earlier, front. From the Latin anterior meaning before
- Anesthesia Loss of feeling or awareness. A general anesthetic puts the person to sleep. A local anesthetic causes loss…
- SNP A change in which a single base in the DNA differs from the usual base at that position. These single base…
- Histo Popular name for the fungus histoplasma. Also medical school slang for histology
- Incontinence, rectal Inability to hold feces in the rectum due to failure of voluntary control over the anal sphincters with…
- Substance Abuse and Mental Health Services Nistration: A part of the U.S. Public Health Service, SAMHSA works to improve the quality and availability of…