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).
Asthenia
Weakness. Lack of energy and strength. Loss of strength. The word asthenia is not much used in medicine today, although it is a prominent part of myasthenia, a loss of muscle strength, as in myasthenia gravis. Asthenia is from the Greek…
Read the definitionRandom terms
Show more- Chinese medicine See: Traditional Chinese medicine
- Parthenogenesis Development of a germ cell without fertilization. This is what happens in the formation of ovarian teratomas…
- Genomic library A collection of clones made from a set of randomly generated overlapping DNA fragments representing the…
- Cyclospora infection Infection with Cyclospora cayetanensis, a single-celled parasite. The first known human cases of illness…
- Plodia interpunctella See: Meal moth
- Topical chemotherapy Chemotherapy: Treatment with an anticancer drug in a lotion, ointment or cream that is applied to the skin.
- Pneumonectomy An operation to remove an entire lung or part of a lung
- Major histocompatibility complex See: Permanent makeup.
- Syndrome, Down A common chromosome disorder due to an extra chromosome number 21 (trisomy 21). Down syndrome causes mental…
- PON The symbol for the enzyme called paraoxonase
- French disease Syphilis. Depending upon someone's thoughts as to where the disease came from, syphilis was also known as the…
- Gingivitis, acute necrotizing ulcerative (ANUG) This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…