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).
Chronic phase
Refers to the early stages of chronic myelogenous leukemia. The number of immature, abnormal white blood cells in the bone marrow and blood is higher than normal, but lower than in the accelerated or blast phase
Read the definitionRandom terms
Show more- ATSDR The Agency for Toxic Substances and Disease Registry, a part of the U.S. Department of Health and Human…
- AOM Acute otitis media, a middle ear infection of abrupt onset
- DBT Dialectical behavioral therapy
- Contusion Another name for a bruise. What is a bruise ? A bruise, or contusion, is caused when blood vessels are…
- Back pain Pain felt in the low or upper back. There are many causes of back pain. Pain in the low back can relate to…
- Presentation, breech Birth in which the buttocks present before the head
- Rheumatoid arthritis Rheumatoid arthritis: An autoimmune disease which causes chronic inflammation of the joints, the tissue…
- Lobectomy An operation done to remove a lobe of an organ such as the lobe of a lung or a lobe of the thyroid gland. The…
- Symptom Any subjective evidence of disease. Anxiety, lower back pain, and fatigue are all symptoms. They are…
- Xerophagia A dry diet. Literally, dry eating. From the Greek 'xeros' meaning 'dry' + 'phago' meaning 'to eat.
- Headache, tension A headache caused by contracting of the muscles in the back of the neck, on the scalp, and sometimes in the…
- Specificity, analytic See: Analytic specificity