(n) :
(biology) Any of a group of ciliate protozoa, included among the spirotrichs, with prominent oral cilia, which are arranged as a collar and lapel, in contrast to the choreotrichs where they form a complete circle
(n) :
(biology) Any of a group of ciliate protozoa, included among the spirotrichs, with prominent oral cilia, which are arranged as a collar and lapel, in contrast to the choreotrichs where they form a complete circle