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).
Vitreous
A clear, jelly-like substance that fills the middle of the eye. Also called the vitreous humor, 'humor' in medicine referring to a fluid (or semifluid) substance
Read the definitionRandom terms
Show more- Titin A giant filamentous protein essential to the structure, development, and elasticity of muscle. The gene…
- Median The middle. Like the median strip in a highway.
- Hemophilia carrier A female carrying a mutant gene for hemophilia on one of her two X chromosomes and a normal allele on her…
- Bile sludge A mixture of microscopic particulate matter in bile that occurs when particles of material precipitate from…
- Tsutsugamushi disease A mite-borne infectious disease caused by a microorganism, Rickettsia tsutsugamushi, characteristically with…
- Tension, intravenous The pressure of the blood within a vein, the venous pressure
- Mirror, mouth See: Mouth mirror
- Hemoglobin, carbon monoxide See: Carboxyhemoglobin
- Postmenopausal cervical kyphosis An outward curvature (kyphosis) of the cervical vertebrae (the bones of the neck), creating a hump at the…
- Pituitary gland The main endocrine gland. It is a small structure in the head. It is called the master gland because it…
- Mediastinum The area between the lungs. The organs in this area include the heart and its large veins and arteries, the…
- Electrophysiology The biomedical field dealing with the study of electric activity in the body. Electrophysiology includes the…