MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Melanoma, lentigo maligna
One of the four clinical types of malignant melanoma and the slowest growing one. It typically begins as a patch of mottled pigmentation that is dark brown, tan, or black on sun-exposed skin, such as on the face
Read the definitionRandom terms
Show more- Carcinoma of the breast, infiltrating lobular Breast, infiltrating lobular: Infiltrating lobular carcinoma is the second most common type of invasive…
- Amoeba Also ameba. A single-celled (protozoan) organism that constantly changes shape. The word 'ameba' is from the…
- Atrial arrhythmias See: Arrhythmias, atrial
- Uvea Part of the eye, consisting collectively of the iris, the choroid of the eye, and the ciliary body > >The…
- Nurse assistant A person who has completed a brief health-care training program, and who provides support services for RNs…
- IL-10 Interleukin-10
- Nit Nits are lice eggs. They are hard to see and are often confused with dandruff or hair spray droplets. Nits…
- Three-day fever See: Sandfly fever
- Crease, single transverse palmar See: Simian crease
- ASA (drug caution code) Abbreviation on a medication that indicates it contains acetylsalicylic acid (aspirin). This special caution…
- Twelfth cranial nerve The hypoglossal nerve. The twelve cranial nerves, including the hypoglossal nerve, emerge from or enter the…
- Eosinophilia, familial See: Familial eosinophilia