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).
Alpha-synuclein
One in a family of structurally related proteins that are prominently expressed in the central nervous system. Aggregated alpha-synuclein proteins form brain lesions that are hallmarks of some neurodegenerative diseases…
Read the definitionRandom terms
Show more- Toco- Prefix meaning childbirth. For example, tocolysis is the slowing or halting of labor. Sometimes spelled tok-…
- Binswanger disease A form of dementia with blood vessel abnormalities in the deep white-matter of the brain causing loss of…
- Pilonidal sinus A sinus tract from which there may be chronic drainage of pus, due to an embedded tuft of hair, most often in…
- Juvenile hyaline fibromatosis A genetic disorder characterized by multiple subcutaneous nodules and gingival hypertrophy (overgrowth of the…
- Dandruff A mild skin condition that produces white flakes that may be shed and fall from the hair. Dandruff is due to…
- Gustatolacrimal reflex See: Crocodile tears syndrome
- Cervical Having to do with any kind of neck including the neck on which the head is perched and the neck of the…
- Tay-Sachs disease A genetic metabolic disorder caused by deficiency of the enzyme hexosaminidase A (hex-A) that results in a…
- Expression, gene See: Gene expression
- Peritonitis, acute Sudden inflammation of the peritoneum, the membrane lining the inner wall of the abdomen and pelvis…
- Steroid abuse Steroid abuse: Use of substances containing anabolic steroids to increase muscle mass. Such steroids can have…
- Spermatic cord A group of structures which go through the inguinal canal to the testis. The structures include the vas…