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).
Accommodation
In medicine, the ability of the eye to change its focus from distant to near objects (and vice versa). This process is achieved by the lens changing its shape. Accommodation is the adjustment of the optics of the eye to keep an object in…
Read the definitionRandom terms
Show more- Abdominal muscle deficiency syndrome Partial or complete absence of the abdominal muscles so that the outlines of the intestines are visible…
- Reflex, patellar See: Knee jerk
- Morphea Skin changes that are localized to one or more patchy areas of skin that become hardened, dry, smooth and…
- Ectrodactyly >transverse terminal aphalangia (absence of the last bone in the finger or toe), >adactylia (total absence of…
- Syncope The temporary loss of consciousness upon coughing. Syncope is the temporary loss of consciousness or, in…
- Ciliary neuralgia A distinctive syndrome of headaches, better known today as cluster headache. There are two main clinical…
- Gertie F. Marx See: Marx, Gertie F.
- Nitrous oxide (laughing gas) A gas that can cause general anesthesia. Nitrous oxide is sometimes given in the company of other anesthetic…
- Maternal The age of the mother at the time of delivery. Advanced maternal age is usually defined as age 35 or more at…
- Sprain, ankle See: Ankle sprain
- Vincent infection This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Behavioral medicine An interdisciplinary field of research and practice that focuses on how people's thoughts and behavior affect…