1. 
   Oestrogen Receptor
   (Oestrogen Receptors) Area on the surface of a cancer cell that is triggered by oestrogen. The area on the cell surface is like a lock and oestrogen is the key that fits and turns the lock.
   Found op http://www.cancerhelp.org.uk/utilities/glossary/index.htm?search=o
   
   
2. 
   oestrogen receptor
   <cell biology> Cytoplasmic proteins that bind oestrogens and migrate to the nucleus where they regulate DNA transcription. Evaluation of the state of oestrogen receptors in breast cancer patients has become clinically important and determines the likelihood of response to anti-oestrogen therap...
   Found op http://www.mondofacto.com/facts/dictionary?oestrogen+receptor
   
   

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