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).
American Cancer Society (ACS)
A 'nationwide community-based voluntary health organization dedicated to eliminating cancer as a major health problem by preventing cancer, saving lives and diminishing suffering from cancer through research, education, advocacy, and…
Read the definitionRandom terms
Show more- Acquired Anything that is not present at birth but develops some time later. In medicine, the word 'acquired' implies…
- TSC2 The tuberous sclerosis 2 gene. The product of the TSC2 gene is a protein called tuberin. This protein…
- Formula feeding Feeding an infant or toddler prepared formula rather than breast-feeding, or in addition to breast-feeding…
- AAOS (American Academy of Orthopaedic Surgeons) The professional organization of American orthopaedists. Literally, the practice of child straightening…
- Anatomy, gross Better known among medical students simply as 'gross', gross anatomy is the study of the form of structures…
- Sterilization, male surgical Male surgical sterilization is done by vasectomy which involves sealing, tying or cutting a man's vas…
- Epidemic The occurrence of more cases of a disease than would be expected in a community or region during a given time…
- Leukemia, acute Cancer of the blood cells (leukemia) that progresses rapidly, as opposed to chronic leukemia which progresses…
- Microbicide An agent that kills microbes, minute forms of life (e.g. bacteria, fungi, and protozoal parasites), some…
- Radiate To spread out from a central area. For example, sciatic pain may radiate outward from the lower back
- Macroglossia Enlarged tongue. Macroglossia is sometimes said to be associated with Down syndrome, but in that disorder the…
- Hereditary spherocytosis A genetic disorder of the red blood cell membrane clinically characterized by anemia, jaundice (yellowing)…