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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Endocardium
The lining of the interior surface of the heart chambers. The endocardium consists of a layer of endothelial cells and an underlying layer of connective tissue
Read the definitionRandom terms
Show more- Autistic savant A person with autism who is exceptionally gifted in a specialized field. That field may, for example, be…
- Ulcer An area of tissue erosion, for example, of the skin or lining of the gastrointestinal (GI) tract. Due to the…
- Operation, Macewen A surgical operation for inguinal hernia designed by Sir William Macewen (1848-1924), a surgeon in Glascow…
- Evolution, biologic Biologic evolution was contrasted with cultural (social) evolution in 1968 by A.G. Motulsky who pointed out…
- Anonymous reporting In public health, anonymous reporting permits the acquisition of certain data such as the proportion of…
- Nystagmus Rapid rhythmic repetitious involuntary (unwilled) eye movements. Nystagmus can be horizontal, vertical or…
- Di Bella cancer therapy An alternative medicine cancer treatment program developed by Dr. Luigi Di Bella based on a drug cocktail…
- Artemsisia annua A Chinese herb (qinghaosu or sweet wormwood) from which is extracted the antimalarial agent artemisinin
- Filovirus A family of viruses that cause hemorrhagic fever. Filoviruses have single- stranded RNA as their genetic…
- Pneumonectomy An operation to remove an entire lung or part of a lung
- Melanoma thickness A method for determining the prognosis (outlook) with melanoma. The thickness of a melanoma is related to the…
- Type 1 GM2-gangliosidosis See: Tay-Sachs disease