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).
Meningitis, bacterial
Inflammation of the meninges due to a bacterial infection. Haemophilus influenzae type b (Hib) was the leading cause of bacterial meningitis before the 1990s, but new vaccines given to children as part of their routine immunizations have…
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Show more- Hemangioma, cavernous A type of hemangioma composed of blood-filled 'lakes' and channels. It is typically raised and red or…
- IgM Immunoglobulin M, a major class of immunoglobulins. IgM includes the antibodies that are usually produced…
- AML1 Acute myeloid leukemia 1 gene. See: Runx-1
- Syndrome, polyglandular autoimmune (PGA) A genetic autoimmune disease with an extraordinary array of clinical features but characterized most often by…
- Fasciitis Fasciitis: Inflammation of the fascia (a lining tissue under the skin that covers a surface of underlying…
- Palate, soft The muscular part of the roof of the mouth. The soft palate is directly behind the hard palate. It lacks bone…
- HeLa cell One of the cells grown from the cervical cancer of a young African-American woman, Henrietta Lacks. HeLa…
- PLP1 The gene encoding proteolipid protein, or lipophilin, the primary constituent of myelin. The PLP1 gene is on…
- Seat belt A belt used to hold an individual in their seat. Motor vehicle accidents are the leading cause of death for…
- Esophagoscopy Examination of the esophagus using a thin, lighted instrument
- Irritant contact dermatitis Dermatitis: A rash brought about by constant irritation from a substance. For example, anyone who washes…
- Adult-onset diabetes Type 2 diabetes. See also Diabetes, type 2