Early-stage sperm cells created from human bone marrow By Home › Forum Online Discussion › General › Early-stage sperm cells created from human bone marrow This topic has 1 reply, 1 voice, and was last updated 18 years, 5 months ago by wendy. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts April 19, 2007 at 6:41 am #22038 wendy << April 19, 2007 at 8:16 am #22039 wendy Author Posts You must be logged in to reply to this topic.