Editing Tentacle (section)

==Tentillum== 
[[File:Ctenophore.jpg|thumb|Deep-sea ctenophore trailing tentacles studded with tentilla]]

The word '''tentillum''' ({{plural form}}: '''tentilla''') literally means "little tentacle". However, irrespective of size, it usually refers to a side branch of a larger tentacle. In some cases, such tentilla are specialised for particular functions; for example, in the [[Cnidaria]] tentilla usually bear [[cnidocyte]]s,<ref>[http://species-identification.org/species.php?species_group=zsao&selected=definitie&menuentry=woordenlijst&record=tentilla Marine Species Identification Portal : Zooplankton of the South Atlantic Ocean : Glossary : tentilla] {{webarchive|url=https://web.archive.org/web/20131202231841/http://species-identification.org/species.php?species_group=zsao&selected=definitie&menuentry=woordenlijst&record=tentilla |date=2 December 2013 }}. Species-identification.org. Retrieved on 2013-05-02.</ref> whereas in the [[Ctenophora]] they usually have [[collocyte]]s.<ref name="CNH1">Harmer, Sir Sidney Frederic; Shipley, Arthur Everett et al. (1906) ''The Cambridge Natural History Volume 1, Protozoa, Porifera, Coelenterata, Ctenophora, Echinodermata''. Macmillan Company.</ref><ref>{{cite journal|author1=Mackie G.O.|author2=Mills C.E.|author3=Singla C.L.|title=Structure and function of the prehensile tentilla of ''Euplokamis'' (Ctenophora, Cydippida)|doi=10.1007/BF00312216|url=http://faculty.washington.edu/cemills/EuplokamisTentacle1988.pdf|year=1988|journal=Zoomorphology|volume=107|issue=6|pages=319|s2cid=317017|url-status=live|archive-url=https://web.archive.org/web/20160303233312/http://faculty.washington.edu/cemills/EuplokamisTentacle1988.pdf|archive-date=3 March 2016|df=dmy-all}}</ref> [[Siphonophorae|Siphonophores]] are an example of Cnidaria that use tentilla.