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).
Eczema vaccinatum
A common concern with smallpox vaccination involving the implantation of the vaccinia virus from the vaccination into the skin of a person with eczema (atopic dermatitis), sometimes with a fatal outcome. Disrupted skin permits viral…
Read the definitionRandom terms
Show more- Diphtheria Diphtheria: An acute infectious disease that typically strikes the upper respiratory tract including the…
- Torre syndrome See: Muir-Torre syndrome
- Disease, Gaucher type 1 See Gaucher disease, type 1
- Membrane attack complex Abbreviated MAC. An abnormal activation of the complement (protein) portion of the blood, forming a cascade…
- Silicosis A form of lung disease resulting from occupational exposure to silica dust over a period of years. Silicosis…
- Labium A lip. Labium is the singular of the Latin neuter noun meaning lip. The plural is labia. For more…
- Restriction site A sequence in DNA that can be recognized and cut by a specific restriction enzyme.
- Pneumonia, bilateral Pneumonia in both lungs. Bilateral pulmonary inflammation. Familiarly known as double pneumonia
- Stem cell One of the human body's master cells, with the ability to grow into any one of the body's more than 200 cell…
- Open reading frame A long sequence of DNA that has no stop codon (no signal to stop reading) and therefore may encode part or…
- Systemic mastocytosis A form of mastocytosis characterized by infiltrates of mast cells in the skin, lymph nodes, liver, spleen…
- Cancer, islet cell See: Islet cell cancer