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.
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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).
Anovular menstruation
Menstruation without ovulation. The egg stays within the ovary and usually disintegrates but sometimes it is fertilized, resulting in a life-threatening pregnancy within the ovary
Read the definitionRandom terms
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- Simian crease A single transverse palmar crease, a minor variation associated with Down syndrome (trisomy 21). Also called…
- Clinophobia An abnormal and persistent fear of going to bed. Sufferers from clinophobia experience anxiety even though…
- Specific developmental disorder A disorder that selectively affects one area of development, sparing essentially all other areas of…
- Somatostatin A hormone widely distributed throughout the body, especially in the hypothalamus and pancreas, that acts as…
- Fourth ventricle >Lateral ventricles: The lateral ventricles are in the cerebral hemispheres, one in each hemisphere. Each…
- Desmoplasia This term refers to the growth of fibrous or connective tissue. Some tumors elicit a desmoplastic reaction…
- Analysis A psychology term for processes used to gain understanding of complex emotional or behavioral issues
- Chronic myelocytic leukemia See: Chronic myelogenous leukemia
- Menopause, chemical Menopause, chemical: Menopause induced by chemotherapy or other chemicals or medications. Chemical menopause…
- Mansfield, Peter British scientist (1933-) who shared the 2003 Nobel Prize for Physiology or Medicine with the American…
- Dorothy Hodgkin See: Hodgkin, Dorothy