Does a B lymphocyte contain lysosome inside? - Cell Structure (Oct/31/2007 )

Hi,
I was wondering if anyone knows whether B lymphocytes contain lysosomes or not. If you have the answer, do you have a refrence??
Thanks

check this

http://www.genestocellsonline.org/cgi/cont...bstract/10/1/23

http://www.pubmedcentral.nih.gov/articlere...gi?artid=552097

http://www.cytochemistry.net/Cell-biology/lysosome.htm