MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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
Show more- Psychopathic personality disorder See: Antisocial personality disorder
- Sexploitation The exploitation of sex, often for commercial purposes. The term is a mid-20th century merger of sex and…
- Selenium An essential trace mineral that functions largely in the form of proteins, called selenoproteins, which act…
- Tarsal gland See: Meibomian gland
- Anorgasmia Failure to achieve orgasm (climax) during sexual intercourse. Anorgasmia can result from many causes…
- Cryptosporidium enteritis See: Cryptosporidiosis
- Ventricular arrhythmias Abnormal rapid heart rhythms (arrhythmias) that originate in the lower chambers of the heart (the…
- Biochemistry The chemistry of biology, the application of the tools and concepts of chemistry to living systems…
- Birth control, emergency See: Emergency contraception
- Lumbar vertebrae There are 5 lumbar vertebrae. The lumbar vertebrae are situated between the thoracic vertebrae and the sacral…
- Fever, shin bone Fever, shin bone: Called shin bone fever because it characteristically causes fever and pain in the legs…
- Jewett staging system A system for determining the stage of a prostate cancer. The system uses ABCD. The letters 'A' and 'B'…