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).
Chest X-ray
Chest X-ray: Commonly used to detect abnormalities in the lungs, but can also detect abnormalities in the heart, aorta, and the bones of the thoracic area. Metallic objects, such as jewelry are removed from the chest and neck areas for a…
Read the definitionRandom terms
Show more- Dystonia musculorum deformans (DMD) Also called torsion dystonia, this is a fortunately rare, generalized dystonia (a state of abnormal -- either…
- Neutropenia Neutropenia: Not enough neutrophils, neutrophils being a type of white blood cell (specifically a form of…
- Dipper A person in whom there is the normal nocturnal fall (dip) in blood pressure. The opposite of a dipper is a…
- Anovulatory Not accompanied by ovulation, the release of an ovum (egg) from the ovary. For example, anovulatory…
- Chronic myelogenous leukemia Chronic inflammation of the skin lining the external ear canal leading to the ear drum. Can be caused by a…
- Left ventricular assist device See: Ventricular assist device
- Aural vertigo, recurrent A condition, also known as Meniere's disease, with recurrent vertigo accompanied by ringing in the ears…
- Long arm of a chromosome The long arm of a chromosome is termed the q arm. All human chromosomes have 2 arms, the p (short) arm and…
- Xeroderma pigmentosum A genetic disease characterized by such extraordinary sensitivity to sunlight that it results in the…
- Nocturnal amblyopia Amblyopia refers to blindness so nocturnal amblyopia is, literally, night blindness. Listed in medical…
- Propionibacterium acnes A ubiquitous skin-dwelling organism that is involved in causing acne.In addition to acne, this bacterium (P…
- Hypovolemia An abnormal decrease in blood volume or, strictly speaking, an abnormal decrease in the volume of blood…