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).
Spinal compression
The act of exerting an abnormal amount of pressure on the spinal cord. Spinal compression may, for instance, be due to a fracture of the spine or a tumor pressing on the spinal cord
Read the definitionRandom terms
Show more- Nonrandom Not by chance alone. Not in keeping with the process by which an outcome is determined solely by chance, for…
- Heterotaxy The abnormal placement of organs due to failure to establish the normal left-right patterning during…
- Aura A premonition. There is often an aura before a migraine or a grand mal seizure. The aura, a symptom of brain…
- Central vision Straight-ahead vision. Central vision is the work of the macula, a small area in the center of the retina…
- Infection, pinworm An infection caused by a small, white intestinal worm: the pinworm or, more formally, Enterobius…
- Homeostasis A property of cells, tissues, and organisms that allows the maintenance and regulation of the stability and…
- Attenuate To weaken, dilute, thin, reduce, weaken, diminish. The use of 'attenuate' in medicine is not new. In the 16th…
- Retic Short for reticulocyte
- Palpebral gland See: Meibomian gland
- Farsightedness Farsightedness: Medically termed hyperopia; the ability to see distant objects more clearly than close…
- Exercise cardiac stress testing The most widely used cardiac (heart) screening test. The patient exercises on a treadmill according to a…
- Distichiasis Double rows of eyelashes. The extra eyelashes grow from glands called the Meibomian glands and may protrude…