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).
Family planning, natural
Also known as fertility awareness, periodic abstinence and the rhythm method, this approach entails not having sexual intercourse on the days of a woman's menstrual cycle when she could become pregnant or using a barrier method (such as a…
Read the definitionRandom terms
Show more- Smallpox The misuse of smallpox as an agent of bioterrorism. Smallpox was eradicated in 1977. Routine vaccinations…
- Medicaid State programs of public assistance to persons regardless of age whose income and resources are insufficient…
- Infection, yeast Infection due to fungal organisms which have the characteristic of being single-celled, usually rounded and…
- Agenesis of the corpus callosum A congenital abnormality (a birth defect) in which there is partial or complete absence (agenesis) of the…
- Hot flashes A sudden wave of mild or intense body heat caused by rushes of hormonal changes resulting from decreased…
- Electron microscope Abbreviated EM. Microscopy in which an electron beam replaces light to form the image. EM has its pluses…
- PKD Short for phenylketonuria. See: Phenylketonuria.
- TACE Transarterial chemoembolization, a procedure in which the blood supply to a tumor is blocked (embolized) and…
- Abate To lessen or decrease. After a boil is lanced, the pus can drain and the pain and tenderness abate. From the…
- Bell, Sir Charles See: Bell, Charles
- Serrated Finely notched like the cutting edge of a saw. The serratus muscles take their name from their serrated…
- Alopecia Baldness. There are many types of alopecia, each with a different cause. Alopecia may be localized to the…