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).
Bone cyst, aneurysmal
A benign lesion in a bone that contains connective tissue and blood inside a thin bony shell and that acts like a tumor and expands the bone. Aneurysmal bone cysts typically occur in the second decade of life and can affect any bone in the…
Read the definitionRandom terms
Show more- Dactyledema Swelling of the fingers or toes
- Glycosylated hemoglobin Hemoglobin to which glucose is bound. Glycosylated hemoglobin is tested to monitor the long-term control of…
- Full gene sequence The complete order of bases in a gene. This order determines which protein a gene will produce
- Periosteoma A benign tumor arising from the periosteum, the dense membrane composed of fibrous connective tissue that…
- Microscope, fluorescent See: Fluorescent microscope
- Microscope, electron See: Fluorescent microscope.
- Medication, clot-dissolving See: Thrombolytic agent
- Right heart The heart is composed functionally of two hearts - the right heart and the left heart. The right heart…
- Virus, human immunodeficiency (HIV) The cause of AIDS. HIV has also been called the human lymphotropic virus type III, the lymphadenopathy-…
- Snake 1. A long limbless scaly reptile, some being poisonous. 2. The symbol of rejuvenation and healing in many…
- Conjunctival fornix The fornix of the conjunctivae refers to loose arching folds connecting the conjunctival membrane lining the…
- Q.2h On a prescription, every two hours