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).
Lactase deficiency
(LDH) An enzyme that catalyzes the conversion of lactate to pyruvate. This is an important step in energy production in cells. Many different types of cells in the body contain this enzyme. Some of the organs relatively rich in LDH are the…
Read the definitionRandom terms
Show more- Dissociation In psychology and psychiatry, a perceived detachment of the mind from the emotional state or even from the…
- Birth control, emergency See: Emergency contraception
- Chlorinated camphene See: Toxaphene
- Atrial arrhythmias See: Arrhythmias, atrial
- Autosomal chromosome Any chromosome except for the sex chromosomes. Humans have 44 autosomal chromosomes, or autosomes
- Luteinizing hormone-releasing hormone A hormone that controls sex hormones in men and women. Also called LHRH.
- Colon The part of the large intestine that runs from the cecum to the rectum as a long hollow tube that serves to…
- Barlow syndrome Barlow syndrome is mitral valve prolapse (also known as 'click murmur syndrome'), the most common heart valve…
- Brainstem auditory evoked potentials See: ABR test
- Cancer, testicular Cancer of the male sex organ (testicle) that normally produces the hormone testosterone. One of the most…
- Internal ear There are three sections of the ear. They are the external ear, the middle ear, and the internal ear. The…
- Muscular dystrophy, Becker A form of muscular dystrophy that is quite similar to Duchenne muscular dystrophy, except that patients with…