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).
Phase, resting
More appropriately called interphase. The interval in the cell cycle between two cell divisions when the individual chromosomes cannot be distinguished, interphase was once thought to be the resting phase but it is far from a time of rest…
Read the definitionRandom terms
Show more- Vitamin E Alpha-tocopherol, an antioxidant vitamin which binds oxygen free radicals that can cause tissue damage…
- Fenfluramine A weight loss drug, in a class of drugs called anorectics which decrease appetite. This drug, sold in the US…
- Peri- Prefix meaning around or about. For example, pericardial is around the heart, and periaortic lymph nodes are…
- Lysosome An organelle (a little organ) in a cell containing enzymes that degrade macromolecules (large molecules) and…
- Pauling, Linus The alpha helix, the structure of most proteins, discovered by Linus Pauling and Robert Corey. See: Alpha…
- Iliopsoas muscle The upper part of the bony pelvis which forms the receptacle for the head of the femur at the hip joint. The…
- Radical dissection Removal of not only affected tissue, but also nearby tissue that may be covertly affected
- Sleep-disordered breathing A condition characterized by repeated episodes of hypopnea (underbreathing) and apnea (not breathing) during…
- Palatine Anatomically, pertaining to the palate. For example, the palatine bone
- Tick bite A bite from a bloodsucking, parasitic insect that punctures the skin with a sharp beak. The tic burrows into…
- Arthralgia Pain in the joints. There are many possible causes of pain in a joint. The Greek 'algos' means 'pain.
- Morning sickness Nausea and vomiting of pregnancy. Morning sickness is a misnomer, because it can occur at any time of the day…