[luh-rahy-kuh, law-, loh-]
noun, plural loricae [luh-rahy-see, -kee, law-, loh-] .
Zoology. a hard protective case or sheath, as the protective coverings secreted by certain protists.
a cuirass or corselet, originally of leather.

1700–10; (def 1) < Neo-Latin, special use of Latin lōrīca corselet (orig. of leather), akin to lōrum thong; (def 2) < Latin

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World English Dictionary
lorica (lɒˈraɪkə)
n , pl -cae
1.  the hard outer covering of rotifers, ciliate protozoans, and similar organisms
2.  an ancient Roman cuirass of leather or metal
[C18: from New Latin, from Latin: leather cuirass; related to lōrum thong]

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Encyclopedia Britannica


a tubular, conical, or vaselike structure secreted by some protozoans (e.g., Stentor) and many rotifers. Many species incorporate sand grains and other particles into the lorica for reinforcement. The loose-fitting case, closed at one end, has a large opening at the anterior end through which part of the organism (or its appendages) may be extended. The lorica is of taxonomic importance among protozoologists. See also test

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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