MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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.
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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).
Speculum, nasal
An instrument used to widen the opening of a nostril so the inside can be more easily seen. 'Speculum' is the Latin word for mirror
Read the definitionRandom terms
Show more- Indolent lymphoma A lymphoma that tends to grow and spread slowly, in contrast to an aggressive lymphoma which tends to grow…
- Twin, vanishing See: Vanishing twin
- Xeric Characterized by a scanty supply of moisture (or tolerating or adapted to dry conditions). The word 'xeric'…
- Dengue hemorrhagic fever (DHF) Fever (DHF): A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal…
- Large intestine Comes after the small intestine. Large because it is wider than the small intestine
- Myelitis, transverse A disease of the spinal cord in which there is demyelination (erosion of the myelin sheath that normally…
- Lewis Thomas See: Thomas, Lewis
- Syndrome, Aarskog-Scott See: Aarskog-Scott syndrome
- Migrainous neuralgia A distinctive syndrome of headaches, today better known as cluster headache. There are two main clinical…
- D-IBS Diarrhea-predominant IBS (irritable bowel syndrome)
- Avery, Oswald Theodore (1877-1955) Distinguished Canadian-American bacteriologist and research physician and one of the founders of…
- Val . Valine. See also: Amino acid symbols