P. rosinae adults likely measured about 20 centimeters long, with half of that being a long, whiplike tail. (sciencemag.org)
The similarity in names is no accident, for these are single - celled creatures, with whiplike flagella surrounded by a collar of microvilli, and they bear an amazing resemblance to the choanocyte cells of sponges. (discovermagazine.com)
His primers seek out bits of DNA coding for part of the spirochete's flagella — tiny, whiplike structures that help propel it through the bloodstream. (discovermagazine.com)