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).
Ciliary body
Part of the eye, the ciliary body is a thin vascular (blood vessel-filled) middle layer of the eye that is situated between the sclera (the white of the eye) and the retina (the nerve layer that lines the back of the eye, senses light, and…
Read the definitionRandom terms
Show more- PIGF Placental growth factor
- Palpebral fissure The opening for the eyes between the eyelids.
- Pythagoras (Born c. 580 B.C.E.) Greek philosopher and mathematician who promoted health through a special vegetarian diet
- Attenuated familial adenomatous polyposis An inherited predisposition to colorectal cancer characterized by fewer than 100 adenomatous polyps in the…
- Gastric emptying study Gastric emptying study: A gastric emptying study evaluates the emptying of food from the stomach. For a…
- Meralgia paresthetica Meralgia paresthetica: Entrapment or pinching of the nerve that supplies sensation to the outer portion of…
- St. Louis encephalitis A disease caused by a virus (first observed in Illinois in 1932) transmitted from birds to the common Culex…
- Occult Hidden. Occult blood is hidden from the eye but is nonetheless present and can be detected by chemical tests…
- Strontium An earth element and metal with atomic no. 38, atomic wt. 87.62 that is used in a radioactive form for…
- Nephroblastoma See: Wilms tumor
- Muscular Having to do with the muscles. Also, endowed with above average muscle development. Muscular system refers to…
- Prostatitis, chronic bacterial Prostatitis, chronic bacterial: Longstanding bacterial infection of the prostate gland superimposed on a…