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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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, transient
Insomnia that usually lasts less than a week and does not recur. If it recurs from time to time, the insomnia is considered intermittent. If the insomnia affects most nights and lasts a month or more, it is considered chronic insomnia…
Read the definitionRandom terms
Show more- Thelarche The beginnings of breast development at puberty. Thelarche is now a normal event at an earlier age (e.g., age…
- Angelman syndrome Angelman syndrome: An important genetic syndrome characterized by severe motor and intellectual retardation…
- Exanthem A rash. The word 'exanthem' comes from the Greek 'exanthema' which means 'a breaking out.' 'Anthos' in Greek…
- Virtual colonoscopy Virtual colonoscopy: A method for examining the colon by taking a series of x-rays and then using a computer…
- Cystine kidney stones Cystine kidney stones are due to cystinuria, an inherited (genetic) disorder of the transport of an amino…
- Disease, black lung See: Black lung disease
- Oculoauriculovertebral dysplasia See: Goldenhar syndrome
- Colitis, ulcerative A relatively common disease that causes inflammation of the large intestine (the colon). The cause is…
- Gamete The sperm or the egg. Each human gamete normally has 23 chromosomes, the haploid number of chromosomes, half…
- Fear of drinking alcohol An abnormal and persistent fear of drinking alcohol. Sufferers of this fear experience undue anxiety about…
- Cockle The ventricle of the heart. The origin of the word cockle in this sense is a matter of conjecture but in…
- Prepatellar bursitis Inflammation of the bursa that is positioned in front of the kneecap (patella). Prepatellar bursitis commonly…