National Cancer Institute
U.S. National Institutes of Health | www.cancer.gov

NCI Home
Cancer Topics
Clinical Trials
Cancer Statistics
Research & Funding
News
About NCI
Dictionary of Cancer Terms
In English   En español
Page Options
Print This Page
More NCI Dictionaries
NCI Drug Dictionary

Glossary of Statistical Terms

NCI Dictionary of Genetics Terms

Terminology Resources
Quit Smoking Today
Search for
# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
In English   En español

intrusive thought (in-TROO-siv thawt)

 An unpleasant memory or idea that occurs often in a person’s everyday thoughts and keeps him or her from thinking about other things. Interfering thoughts can make sleep difficult and make a person unable to carry out daily activities. Also called interfering thought.



Previous Definitions:intravenous injection, intravenous pyelogram, intravenous pyelography, intraventricular infusion, intravesical
Next Definitions:invasive breast cancer, invasive cancer, invasive cervical cancer, invasive hydatidiform mole, invasive procedure

A Service of the National Cancer Institute
Department of Health and Human Services National Institutes of Health USA.gov