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
Quick Links
Director's Corner
Updates from the Director

Dictionary of Cancer Terms
Cancer-related terms

NCI Drug Dictionary
Definitions, names, and links

Funding Opportunities
Research and training

NCI Publications
Order/download free booklets

Advisory Boards and Groups
Information, meetings, reports

Science Serving People
Learn more about NCI

Español
Información en español
NCI Highlights
Virtual and Standard Colonoscopy Both Accurate

NCI Responds to Hurricanes

The Nation's Investment in Cancer Research FY 2009

Cancer Trends Progress Report: 2007 Update

Past Highlights
You CAN Quit Smoking Now!
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

isomer

 One of two or more compounds that have the same chemical formula but different arrangements of the atoms within the molecules and that may have different physical/chemical properties.



Previous Definitions:isolated hepatic perfusion, isolated limb infusion, isolated limb perfusion, isolated lung perfusion, isolation
Next Definitions:isosulfan blue, isotope, isotretinoin, ispinesib, isthmus

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