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).
Vitamin B5
Vitamin B5 is pantothenic acid, one of the less well known B vitamins, perhaps because it is widely distributed in nature. Pantothenic acid is virtually ubiquitous. It is present in foods as diverse as poultry, soybeans, yogurt, and sweet…
Read the definitionRandom terms
Show more- Acute myeloid leukemia Acute myeloid leukemia: A quickly progressive malignant disease in which there are too many immature…
- Leukemia, acute Cancer of the blood cells (leukemia) that progresses rapidly, as opposed to chronic leukemia which progresses…
- Replication, DNA A wondrous complex process whereby the ('parent') strands of DNA in the double helix are separated and each…
- Visual nerve pathways The optic nerves serving the eyes join behind the eyes just in front of the pituitary gland to form a…
- Infant iron supplementation Iron is included in most infant formulas. Therefore, there is no evidence that iron supplementation is…
- Tetrahydrogestrinone A 'designer steroid' with anabolic properties. Known as THG
- Chekhov, Anton (1860-1904) 'Russia's most famous physician' and greatest dramatist. Anton Pavlovich Chekhov graduated from…
- Macular retinopathy Any pathologic condition or disease of the macula, the small spot in the retina where vision is keenest. Also…
- Keratotomy, radial An eye surgery procedure designed to flatten the cornea, reducing its optical power, to correct…
- Syndrome, MELAS MELAS is the acronym for Mitochondrial Encephalopathy, Lactic Acidosis, and Stroke-like episodes. MELAS is a…
- Parathormone A hormone that is made by the parathyroid gland and that is critical to calcium and phosphorus balance…
- Rickets A disease of infants and children that disturbs normal bone formation (ossification). Rickets is a failure to…