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).
Steele-Richardson-Olszewksi syndrome
A hormonal problem that causes women to have various symptoms, including irregular or no menstruation, acne, obesity, and excess hair growth. Women with PCO do not ovulate (release an egg for fertilization) every month. They are at a…
Read the definitionRandom terms
Show more- Leukopenia Lower than the normal amount of white blood cells.
- Abuse, physical child Next to child neglect, physical abuse is the second most frequently reported form of child abuse, accounting…
- Cryoelectron microscopy See: Cryo-electron microscopy
- Fecal occult blood test Fecal occult blood test: A test to check for hidden blood in the feces. Fecal refers to stool. Occult means…
- Syndrome, Aarskog See: Aarskog-Scott syndrome
- Startle disease A genetic disorder also known as hyperexplexia in which babies have an exaggerated startle reflex (reaction)…
- Center for Biologics Evaluation & Research Abbreviated CBER. Part of the FDA (the US Food & Drug Administration)
- Electrocoagulation The coagulation (clotting) of tissue using a high-frequency electrical current applied locally with a metal…
- Internal fixation A surgical procedure that stabilizes and joins the ends of fractured (broken) bones by mechanical devices…
- Cranial nerves Nerves that emerge from or enter the skull (the cranium), as opposed to the spinal nerves which emerge from…
- HHV-3 Human herpesvirus 3. See herpes zoster.
- Somatropin Growth hormone made by the pituitary gland or a synthetic version of that hormone. Naturally occurring…