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).
Endothelial
Relating to the endothelium, the layer of flat cells lining the closed spaces of the body such as the inside of blood vessels, lymphatic vessels, the heart, and body cavities. By contrast, the outside layer of cells that covers all the…
Read the definitionRandom terms
Show more- Adverse event In pharmacology, any unexpected or dangerous reaction to a drug
- Inguinal orchiectomy Surgery to remove the testicle, with the incision made through the groin.
- Congenital arthrogryposis Nonprogressive congenital contractures that develop before birth and are evident at birth (congenital). The…
- Parrot fever (psittacosis) An infectious disease due to a bacteria (Chlamydia psittaci) contracted from psittacine birds, especially…
- ELBW Stands for extremely low birth weight. An ELBW baby is one born very prematurely weighing between 401 and…
- Red corpuscles Red corpuscles are cells that carry oxygen in the blood. They are also called red blood cells or 'RBCs.'
- Diabetic dermopathy A skin condition characteristic of diabetes involving light brown or reddish oval or round scaly patches…
- Dizziness Dizziness: Painless head discomfort with many possible causes including disturbances of vision, the brain…
- Carotenoid One of a group of compounds that includes beta-carotene, alpha-carotene, and beta-cryptoxanthin which are…
- Quasidiploid Describing a cell that seems to have the usual two full sets of 23 chromosomes, but does not. Many malignant…
- Microbicide An agent that kills microbes, minute forms of life (e.g. bacteria, fungi, and protozoal parasites), some…
- Behavior therapy A treatment program that involves substituting desirable behavior responses for undesirable ones