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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Insomnia, transient
Insomnia that usually lasts less than a week and does not recur. If it recurs from time to time, the insomnia is considered intermittent. If the insomnia affects most nights and lasts a month or more, it is considered chronic insomnia…
Read the definitionRandom terms
Show more- Peyronie disease A syndrome of craniosynostosis (premature fusion of the cranial sutures) due to mutation in FGFR (fibroblast…
- Syncope, situational The temporary loss of consciousness in a particular kind of situation. The situations that trigger this…
- Gland, thyroid See: Thyroid gland
- Cytogenetics, clinical The application of cytogenetics to clinical medicine. For example, clinical cytogenetic studies might be done…
- Bronchitis, chronic Defined clinically as a daily cough with production of sputum for 3 months, two years in a row. In chronic…
- YAMA See: Caspase 3
- Primitive neuroectodermal tumor One of a remarkable group of tumors that originate in cells from the primitive neural crest and share the…
- Syphilis A sexually transmitted disease caused by Treponema pallidum, a microscopic organism called a spirochete. This…
- Herniated disc Herniated disc: Rupturing of the tissue that separates the vertebral bones of the spinal column. The center…
- Acrodynia Pain in the extremities (the hands and feet)
- Potassium perchlorate See: Perchlorate
- Re-uptake See: Reuptake