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).
Macular cyst
A hole in the macula, the tiny oval area made up of millions of nerve cells located at the center of the retina responsible for sharp, central vision. The eye contains a jelly-like substance called the vitreous. Shrinking of the vitreous…
Read the definitionRandom terms
Show more- Tapeworm infection, pork Known medically as cysticercosis, an infection caused by Taenia solium (the pork tapeworm). Infection occurs…
- Fever, Rift Valley See: Rift Valley fever
- Fear of work An abnormal and persistent fear of work. Sufferers of this fear experience undue anxiety about the workplace…
- Margaret Mead See: Mead, Margaret
- Microscopy, cryo-electron See: Cryo-electron microscopy
- National Institute of General Medical Sciences MS): One of the National Institutes of Health in the U.S., NIGMS's mission is to 'support basic biomedical…
- Drug, antithyroid A drug directed against the thyroid gland. The antithyroid drugs include carbimazole, methimazole, and…
- Schizoaffective disorder Schizoaffective disorder: A mood disorder that is coupled with some symptoms resembling those of…
- Rheumatoid factor Rheumatoid factor: Rheumatoid factor is an antibody that is measurable in the blood. It is commonly used as a…
- Nictitate To wink. Nictitating spasm is spasm of the eyelid with continuous winking. 'Nictitate' and the older verb…
- Straight-jacket See: Straitjacket
- NF2 (neurofibromatosis type 2) Neurofibromatosis type 2