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).
Descending pathway
A nerve pathway that goes down the spinal cord and allows the brain to control movement of the body below the head. In contrast, ascending pathways are nerve pathways that go upward from the spinal cord toward the brain carrying sensory…
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Show more- Macrophage A type of white blood that ingests (takes in) foreign material. Macrophages are key players in the immune…
- X-linked retinoschisis See: Juvenile retinoschisis
- Schistosoma mansoni A species of trematode worm that parasitizes humans and that (like S. japonicum) causes liver and…
- Albuminuria More than the normal amount of albumin in the urine. Albumin is the predominant protein in human blood and it…
- Lamella A thin leaf, plate, disk, wafer
- Malignant ascites A condition in which fluid containing cancer cells collects within the abdomen
- Appendix rupture Rupture of appendix
- Microbicide An agent that kills microbes, minute forms of life (e.g. bacteria, fungi, and protozoal parasites), some…
- Gigantism, eunuchoid Extremely tall stature due to the delayed onset of puberty which permits the continued growth of the long…
- Locomotive system Limited to a local region. See also: Locoregional anesthesia; Locoregional metastasis.
- Bypass, coronary See: Coronary artery bypass graft.
- Virus, Ebola A notoriously deadly virus that causes fearsome symptoms, the most prominent being high fever and massive…