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).
Cavernous hemangioma
A type of hemangioma composed of blood-filled 'lakes' and channels. It is typically raised and red or purplish. A cavernous hemangioma may diminish in size following trauma, bleeding or ulceration but it rarely disappears on its own. Small…
Read the definitionRandom terms
Show more- Goiter, diffuse toxic Graves disease, the most common cause of hyperthyroidism (overactivity of the thyroid gland), with…
- Gel electrophoresis The process in which molecules (such as proteins, DNA, or RNA fragments) can be separated according to size…
- Code The genetic code is the correspondence between the triplet of bases in DNA with the amino acids. The…
- Basal thermometer Colloquially used as a synonym for basal temperature. Any thermometer can be used to take the basal…
- Kidney Dis, Nat'l Inst of Diabetes and Digestive Igestive and (NIDDK): One of the National Institutes of Health in the U.S., the NIDDK has a multisystem name…
- ApoE Abbreviation for apolipoprotein E, a gene that codes for a protein component of lipoproteins (complexes of…
- Syndrome, Frey Sweating on one side of the forehead, face, scalp, and neck occurring soon after ingesting food as a result…
- Erythema nodosum Erythema nodosum: An inflammatory reaction deep in the skin characterized by the presence of tender red lumps…
- T-4 cell A type of T cell that has CD4 markers on its surface and participates in the immune response by recognizing…
- Aquaphobia An abnormal and persistent fear of water. Sufferers from aquaphobia experience anxiety even though they…
- Phenylketonuria Phenylketonuria: The inherited inability to metabolize (process) the essential amino acid phenylalanine due…
- Hypoplasia Underdevelopment or incomplete development of a tissue or organ. For example, there can be hypoplasia…