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).
Sac, yolk
See: Yolk sac
Read the definitionRandom terms
Show more- ApoE Abbreviation for apolipoprotein E, a gene that codes for a protein component of lipoproteins (complexes of…
- Disease, sickle cell A genetic blood disease due to the presence of an abnormal form of hemoglobin, namely hemoglobin S…
- Medical prefix A prefix employed in medical terminology. Medical words are often put together, cobbled from two or more…
- Base in DNA A unit of the DNA. There are 4 bases: adenine (A), guanine (G), thymine (T), and cytosine (C). The sequence…
- Diabetes Diabetes: Refers to diabetes mellitus or, less often, to diabetes insipidus. Diabetes mellitus and diabetes…
- Lithotripsy, extracorporeal shock wave See: Extracorporeal shock wave lithotripsy
- Vitreous type Stickler syndrome Stickler syndrome, type I. See: Stickler syndrome
- Membrane attack complex Abbreviated MAC. An abnormal activation of the complement (protein) portion of the blood, forming a cascade…
- Vesiculography The use of special X-ray equipment and a dye to examine the seminal vesicles and related structures…
- Ethmoid 1. As an adjective: spongy or sievelike. From the Greek ethmos, sieve + eidos, resemblance = like a sieve. 2…
- Eye Institute, National ): One of the National Institutes of Health in the U.S., NEI's mission is to 'conduct and support research…
- Nerve, accessory See: Accessory nerve