Selection question

Selection question

I need the syntax for selecting elements subordinate to $(this).  More specifically:
- I have a number of wrappers on the page with a class 'myWrapper', and can find and iterate through them all with $('.myWrapper).each(function() { }.
- Inside the function, I can refer to each of the found items as $(this).  I now need to find all the radiobuttons inside $(this), and not any outside of that.
   What's the syntax?
   Thanks!