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).
Colectomy
>Right hemicolectomy -- in which the right part of the colon is removed, >Left hemicolectomy -- where the left portion of the colon is removed, and >Other types of partial colectomies -- where other segments are removed from the colon. In…
Read the definitionRandom terms
Show more- Radiation therapy Radiation therapy: The use of high-energy rays to damage cancer cells, stopping them from growing and…
- Prostaglandin E2 One of the prostaglandins, a group of hormone-like substances that participate in a wide range of body…
- Paralysis, laryngeal nerve Paralysis of the recurrent laryngeal nerve, a branch of the vagus nerve (a long and important nerve that…
- Tuberous sclerosis A genetic disorder characterized by abnormalities of the skin, brain, kidney, and heart. The skin…
- Subluxation Partial dislocation of a joint. A complete dislocation is a luxation
- Chronic disease A disease that persists for a long time. A chronic disease is one lasting 3 months or more, by the definition…
- Morning glory syndrome A birth defect of the optic nerve (the nerve to the eye) in which there is a coloboma (cleft) of the optic…
- Tubular vision A centrally constricted field of vision that is like what you can see through a tube. Also called tunnel…
- Void To urinate. Just as we can void a check and empty it of value, so can we void our bladder and empty it of…
- Dual energy X-ray absorptometry Abbreviated DEXA. See: DXA
- Amnioreduction The removal of large volumes of amniotic fluid by amniocentesis
- Anterior pituitary The front portion of the pituitary, a small gland in the head called the master gland. Hormones secreted by…