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).
Diabetes insipidus
Diabetes insipidus: Excessive urination and extreme thirst as a result of inadequate output of the pituitary hormone ADH (antidiuretic hormone, also called vasopressin) or the lack of the normal response by the kidney to ADH. There are two…
Read the definitionRandom terms
Show more- Cheek The side of the face forming the side wall of the mouth. The cheek bone is part of the temporal bone of the…
- BMRs (biological response modifiers) Substances that stimulate the body's response to infection and disease. The body naturally produces small…
- Tendonitis, patellar See: Patellar tendonitis
- Patellar tendon A tendon that extends down from the quadriceps muscle in the thigh to incorporate the patella (the kneecap)…
- Child neglect Child neglect is the most frequently reported form of child abuse (60% of all cases) and the most lethal…
- Medical school A school with a curriculum leading to a medical degree. The mission of every medical school includes medical…
- Aortal Pertaining to the aorta, the largest artery in the body. Aortal is not often encountered (except in The New…
- Septum, ventricular The wall between the two lower chambers (the right and left ventricles) of the heart
- Homeobox gene A gene containing a short DNA sequence of about 180 base pairs referred to as a homeobox. Homeobox genes…
- Tick A small wingless bloodsucking insect that, along with the mite, belongs to the order Acarina. Ticks may be…
- Neural tube defect Pain along the course of a nerve.
- Hybridoma A cell hybrid resulting from the fusion of a cancer cell and a normal lymphocyte (a type of white blood…