Editing Cilium (section)

===Cilia versus flagella===
{{See also|Flagellum#Terminology}}
The motile cilia on [[sperm cell]]s and many [[protozoan]]s enables swimming through liquids and are traditionally referred to as "[[flagella]]".<ref name="Haimo_JCB198112"/> As these protrusions are structurally identical to motile cilia, attempts at preserving this terminology include making a distinction by morphology ("flagella" are typically longer than ordinary cilia and have a different undulating motion)<ref name="Alberts1"/> and by number.<ref name=pmid20145000>{{cite journal |last1=Lindemann |first1=CB |last2=Lesich |first2=KA |title=Flagellar and ciliary beating: the proven and the possible. |journal=Journal of Cell Science |date=15 February 2010 |volume=123 |issue=Pt 4 |pages=519–28 |doi=10.1242/jcs.051326 |pmid=20145000 |s2cid=18673550 |doi-access=}}</ref>