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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Transport defect
Within the body, many molecules are able to pass across the membranes that surround cells. These molecules can accomplish this feat due to specific transport systems. These systems include special receptors on the membrane of the cell and…
Read the definitionRandom terms
Show more- Mustard plaster A mild mixture of mustard seed powder, an adhesive such as flour, and water warmed and spread on a moist…
- CpG In genetics, a site where cytosine (C) lies next to guanine (G) in the DNA sequence. (The p indicates that C…
- Discoid lupus A chronic inflammatory condition limited to the skin, caused by an autoimmune disease. An autoimmune disease…
- Seizure, clonic See: Clonic seizure
- Aldosteronism Overproduction of the hormone aldosterone from the cortex (the outer layer) of the adrenal gland or a tumor…
- Genome, mitochondrial All of the genetic information contained in the chromosome of the mitochondrion, a structure located in the…
- Acathisia See: Akathisia
- Oxyhemoglobin The oxygen-loaded form of hemoglobin, the predominant protein in red blood cells. Hemoglobin is a protein…
- Syndrome, Pendred See Pendred syndrome
- Mastalgia Pain in the breast or mammary gland. From the Greek masto-, breast + algos, pain
- Sinuous Curving in and out; in a serpentine, wavy form; winding. From the Latin noun 'sinus,' which means 'curve…
- Syndrome, WPW WPW is an abbreviation for the Wolff-Parkinson-White syndrome, a condition caused by an abnormality in the…