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).
Graft-versus-host disease
A complication of bone marrow transplants in which T cells in the donor bone marrow graft go on the offensive and attack the host's tissues. Graft-versus-host disease (GVHD) is seen most often in cases where the blood marrow donor is…
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Show more- Hormone, secretin Hormone made by glands in the small intestine that stimulates pancreatic secretion. The word 'hormone' was…
- Naltrexone treatment program Treatment of opiate addicts with naltrexone, a long-acting synthetic opiate antagonist with few side effects…
- Fungistat A chemical that keeps fungi from growing. See also: Fungicide
- Penis, small A penis that is abnormally small, also known as micropenis. In medical practice, the dimension of the penis…
- Aerotitis media See Aerotitis
- BRCA1 A gene that normally acts to restrain the growth of cells in the breast but which, when mutated, predisposes…
- Floppy baby syndrome A general medical reference to an abnormal condition of newborns and infants manifested by inadequate tone of…
- Trypanosomiasis, African See: African sleeping sickness
- Ethyl acrylate A substance used in making latex paints and textiles. The US government removed ethyl acrylate from its list…
- Carcinoma Cancer that begins in the skin or in tissues that line or cover body organs. For example, carcinoma can arise…
- Krabbe disease A progressive degenerative disorder of the nervous system due to mutation in the galactosylceramidase (GALC)…
- Ventral A chamber of an organ. For example, the four connected cavities (hollow spaces) in the central portion of the…