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.
- 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).
Nerve, first cranial
The first cranial nerve is the olfactory nerve, the nerve that carries impulses for the sense of smell from the nose to the brain. The cranial nerves emerge from or enter the skull (the cranium), as opposed to the spinal nerves which…
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Show more- Aortic dissection Aortic dissection: A progressive tear in the aorta. The inner lining (intima) of the aorta tears and blood…
- Arch, aortic See: Aortic arch
- Chronic phase Refers to the early stages of chronic myelogenous leukemia. The number of immature, abnormal white blood…
- Sign, Tinel's An examination test that is used by doctors to detect an irritated nerve. Tinel's sign is performed by…
- Sprue, nontropical This condition results from an immune (allergic) reaction to gluten, a protein found in wheat and related…
- Extrafallopian A term meaning 'outside the fallopian tube.' There are two fallopian tubes in female mammals, including human…
- Peritonitis Inflammation of the peritoneum (The peritoneum is the tissue layer of cells lining the inner wall of the…
- Adductor muscle Any muscle that pulls a body part toward the midline. For example, the adductor muscles of the legs pull the…
- CPEO Chronic progressive external ophthalmoplegia. Slowly progressive paralysis of certain eye muscles. See also…
- Ambiguous genitalia Genitalia that are neither typically female nor typically male. Also known as intersexual genitalia. Girls…
- Yersinia pestis The bacteria that causes the bubonic plague which in the year 541 (as the Black Death) and later in the…
- Synaesthesia See: Synesthesia