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).
Diastole
The time period when the heart is in a state of relaxation and dilatation (expansion). The final letter in 'diastole' is pronounced as a long 'e' as in 'lee.' The adjective for diastole is diastolic. The diastolic pressure is specifically…
Read the definitionRandom terms
Show more- Global warming The sustained increase in the average temperature of the earth's atmosphere. Human activity contributes to…
- Code blue While there is no formal definition for a 'Code,' doctors often use the term as slang to refer to a patient…
- Septum A word borrowed from the Latin 'saeptum' meaning a 'dividing wall or enclosure.
- Td immunization Td is the vaccine given to children over six and adults as a booster for immunity to diphtheria and tetanus
- Homocystinuria A genetic disease due to an enzyme deficiency. Among other events, there is a buildup of the amino acid…
- Good-for-you bacteria Bacteria that are good for health. Lactobacillus acidophilus are a type of good-for-you bacteria. The term is…
- Naturopathic medicine See: Naturopathy
- AAOS (American Academy of Orthopaedic Surgeons) The professional organization of American orthopaedists. Literally, the practice of child straightening…
- Cytology The medical and scientific study of cells. Cytology refers to a branch of pathology, the medical specialty…
- Mendelian Referring to the great Moravian/Bohemian biologist Gregor Mendel (1822-84) who set forth the basic laws that…
- Endoscopic papillotomy See: Endoscopic sphincterotomy
- Syndrome, testicular feminization Now more appropriately called the complete androgen insensitivity syndrome, this is a genetic disorder that…