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).
An-
Prefix very much employed in medicine and all of the health sciences, indicating 'not, without, or -less.' For example, the prefix 'an' figures into these words: anemia (without blood), anophthalmia (no eye), anotia (no ear), anoxia (no…
Read the definitionRandom terms
Show more- Neurosis, hypochondriacal See: Hypochondriasis
- Hyperaldosteronism Overproduction of the hormone aldosterone from the outer portion (cortex) of the adrenal gland or a tumor…
- Freudian Pertaining to the neurologist, psychiatrist and founder of psychoanalysis Sigmund Freud (1856-1939) or to the…
- Sclerokeratitis Inflammation of the sclera, the tough white coat that covers most of the back of the eyeball and that is…
- CHF Congestive heart failure
- Sinus node The sinus node is one of the major elements in the cardiac conduction system, the system that controls the…
- Hormone, TSH Stands for Thyroid Stimulating Hormone. Also known as thyrotropin
- Genesis A suffix referring to the beginning, development, or production of something. For example, gametogenesis is…
- PHS The Public Health Service, the agency responsible for the public health of the American people. The Public…
- Colonic (adjective) Relating to the colon, that part of the large intestine that runs from the cecum to the rectum. For a…
- H (drug caution code) Abbreviation standing for habitforming on a medication that indicates caution because the medication may…
- Genome Database The Genome Database (GDB) is the official central repository for genomic mapping data resulting from the…