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).
Dystocia
Difficult or abnormal labor or delivery. From the Greek 'dys' meaning 'difficult, painful, disordered, abnormal' + 'tokos' meaning 'birth.
Read the definitionRandom terms
Show more- Breast pain Pain in the breast or mammary gland, known medically as mastalgia. From the Greek masto-, breast + algos, pain
- Recurrent abortion The occurrence of 3 or more miscarriages (which are medically termed 'spontaneous abortions') with no…
- PLGF Placental growth factor
- Splenic artery A large artery within the abdomen that arises from an arterial vessel called the celiac trunk, which emerges…
- Chemofog See: Chemobrain
- Innate immunity Immunity that is naturally present and is not due to prior sensitization to an antigen from, for example, an…
- Cloning, DNA The use of DNA manipulation procedures to produce multiple copies of a single gene or segment of DNA
- Rossi counter An instrument used to measure the energy deposited by radiation in microscopic sites such as cells. Named for…
- P53 A tumor suppressor. The designation 'p53' stands for 'protein 53 kilodaltons' in size. p53 is a specific…
- Indifferent gonad In embryonic life, the gonad in males and females is initially identical. This gonad is said to be…
- GSS Gerstmann-Straussler-Scheinker. See: Gerstmann-Straussler-Scheinker syndrome
- Hormone, secretin Hormone made by glands in the small intestine that stimulates pancreatic secretion. The word 'hormone' was…