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).
Disordered thinking
A failure to be able to 'think straight.' Thoughts may come and go rapidly. The person may not be able to concentrate on one thought for very long and may be easily distracted, unable to focus attention. The person may be unable to connect…
Read the definitionRandom terms
Show more- Quiescence Inactivity, quietness. In cells, quiescence is the state of not dividing. In neurons (nerve cells)…
- Rotavirus Rotavirus (RV): A leading cause of severe winter diarrhea in young children, RV each year causes an estimated…
- Analysis A psychology term for processes used to gain understanding of complex emotional or behavioral issues
- Empirical Based on experience and observation, rather than systematic logic. Experienced physicians often use empirical…
- Hormone, human chorionic gonadotropin A group of hormones, the most important being aldosterone, that regulate the balance of water and…
- Albinism, oculocutaneous An hereditary disorder characterized by deficiency of the pigment melanin in the eyes, skin and hair. The…
- Adjacent Lying nearby. Related terms include superjacent, subjacent, and circumjacent. From ad-, near + the Latin…
- Subway diet: The Subway diet is a weight loss plan popularized in 2004 by Jared Fogle, who claims that he lost over 245…
- Reproductive cells The eggs and sperm are the reproductive cells. Each mature reproductive cell is haploid in that it has a…
- Agreement, arbitration See: Arbitration agreement
- Lentigo A type of freckle that is a small tan, brown, or black spot which tends to be darker than the usual…
- Shunt, triculoperitoneal A shunt that drains fluid from the cerebral ventricle into the abdomen.