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).
Flu shot
The flu (influenza) vaccine is recommended annually (each year) for persons at high risk for serious complications from influenza virus infection. This includes: > >Everyone age 65 or more; >People with chronic diseases of the heart…
Read the definitionRandom terms
Show more- Hard palate The bony part of the roof of the mouth. The hard palate is the front of the palate and is in front of the…
- Amyloidosis, primary Amyloidosis, primary: A disorder of plasma cells (special white blood cells that produce antibodies), this is…
- Vocal tremor Tremor: Trembling or shaking of one or more of the muscles of the larynx (the voice box), resulting in an…
- Zenker diverticulum The most common type of outpouching in the esophagus, due to increased pressure causing the mucous membrane…
- Glutamic acid An amino acid, one of the 20 building blocks of protein. A nonessential amino acid, glutamic acid is present…
- Biopsy, punch See: Punch biopsy
- Retinal artery, central The blood vessel that carries blood into the eye and supplies nutrition to the retina. The counterpart to the…
- Noisome Offensive to the senses and especially disgusting, offensive, or harmful to the sense of smell. For example…
- Mother (1) The female parent. (2) To produce offspring as a female. To attribute the maternity of. (3) A cell or…
- Nonlymphocytic leukemia, acute Leukemia, acute: Abbreviated ANLL. More commonly called acute myeloid leukemia (AML). A quickly progressive…
- Male gonad The male gonad, the testicle (or testis), located behind the penis in a pouch of skin (the scrotum). The…
- Focal sclerosis See: Multiple sclerosis