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).
Blind spot
In ophthalmology, a blind spot is: > >A small area of the retina where the optic nerve enters the eye; this type of blind spot occurs normally in all eyes. >Any gap in the visual field corresponding to an area of the retina where no visual…
Read the definitionRandom terms
Show more- Pinkeye Also called conjunctivitis. Redness or irritation of the conjunctivae, the membranes on the inner part of the…
- Foot-drop brace See Ankle-foot orthosis
- Traumatic brain injury Brain damage from trauma. The three leading causes of death from traumatic brain injury relate to firearms…
- Amaurotic familial idiocy An outdated term for Tay-Sachs disease (TSD) which is concisely defined by OMIM (Online Mendelian Inheritance…
- Lochia The fluid that weeps from the vagina for a week or so after delivery of a baby. At first the lochia is…
- Carrier test A test designed to detect carriers of a gene for recessive genetic disorder. For example, carrier testing is…
- Lamin A Abbreviated LMNA. A gene on chromosome 1 that encodes a protein which is a key component of the membrane…
- NK cell See Natural killer cell
- Sequence, conserved A base sequence in a DNA molecule (or an amino acid sequence in a protein) that has remained essentially…
- Acromegaly Condition due to the production of too much growth hormone by the pituitary gland after the end of…
- Multidetector-row computed tomography See: Multidetector computed tomography
- Attenuate To weaken, dilute, thin, reduce, weaken, diminish. The use of 'attenuate' in medicine is not new. In the 16th…