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).
Thomas, Lewis
(1913-1993) American physician, biologist, and eminent essayist. Thomas graduated from Princeton University and Harvard Medical School. He was dean of the medical schools at Yale and New York University and chief executive officer of the…
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Show more- Leptomeninges The two innermost layers of tissues that cover the brain and spinal cord. The two layers are called the…
- Prader-Willi syndrome Prader-Willi syndrome: A syndrome characterized by severe hypotonia (floppiness), poor suck and feeding…
- Tympanic cavity The major portion of the middle ear, consisting of a narrow air-filled cavity in the temporal bone that…
- Aging, National Institute on One of the US National Institutes of Health (NIH). The mission of the National Institute on Aging is to 'lead…
- Inotropic Affecting the force of muscle contraction. An inotropic heart drug is one that affects the force with which…
- Compound heterozygote The presence of two different mutant alleles at a particular gene locus, one on each chromosome of a pair…
- SI joint pain See sacroiliac joint dysfunction
- Leukemia, juvenile myelomonocytic leukemia See: Juvenile myelomonocytic leukemia
- Rabies Rabies: A potentially fatal viral infection that attacks the central nervous system. The rabies virus is…
- Ultrasound Ultrasound: High-frequency sound waves. Ultrasound waves can be bounced off of tissues using special devices…
- AAP The American Academy of Pediatrics
- Pseudoobstruction, neuropathic Intestinal pseudoobstruction caused by damage to nerve cells in the walls of the bowel