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).
Insomnia
Insomnia that occurs most nights and lasts a month or more. The treatment of chronic insomnia consists of: First, the diagnosis and treatment of underlying medical or psychological problems. The identification of behaviors that may worsen…
Read the definitionRandom terms
Show more- Immunization, serum hepatitis See Immunization, hepatitis B
- Window, round The trachea, a tube-like portion of the respiratory (breathing) tract that connects the larynx (the voicebox)…
- Medicated stent See: Coated stent
- Absolute CD4 count The number of 'helper' CD4 T-lymphocytes in a cubic millimeter of blood. With HIV, the absolute CD4 count…
- Dysplasia, congenital hip The abnormal formation of the hip joint in which the ball at the top of the thighbone (the femoral head) is…
- Premie Short and slangy for a premature baby. A preterm infant. Also often spelled (for obscure reasons) preemie.
- Disease, Quincke's This is angioneurotic edema (or angioedema), a form of localized swelling of the deeper layers of the skin…
- Contralateral On the other side. The contralateral breast is the breast on the other breast. A stroke affecting the right…
- ACC Adenoid cystic carcinoma
- PARK2 Familial Parkinson disease type 2
- Coryza A cold in the head. The word 'coryza' came from the Greek 'koryza' which is thought to have been compounded…
- Uricaciduria The presence of excess uric acid in the urine, which may be a sign of gout or kidney stones