Tectin (secretion)

Tectin is an organic substance secreted by certain ciliate protozoans.cite book | last = Hyman | first = Libbie Henrietta | authorlink = Libbie Henrietta Hyman | title = The invertebrates: Protozoa through Ctenophora | publisher = McGraw-Hill | series = | year = 1940 | doi = | isbn = ] cite journal | author = Hedley RH | title = Cement and iron in the arenaceious foraminifera | journal = Micropaleontology | volume = 9 | issue = 4 | pages = 433–441 | year = 1963 | pmid = | doi = 10.2307/1484505 | issn = | ] cite journal | author = Bermudes D, Hinkle G, Margulis L | title = Do prokaryotes contain microtubules? | journal = Microbiol. Rev. | volume = 58 | issue = 3 | pages = 387–400 | year = 1994 | pmid = 7968920 | doi = | issn = | url = http://mmbr.asm.org/cgi/content/abstract/58/3/387 ] cite journal | author = Dovgal IV | title = Evolution, phylogeny and classification of Suctorea (Ciliophora) | journal = Protistology | volume = 2 | issue = 4 | pages = 194–270 | year = 2002 | pmid = | doi = | issn = | url = http://protistology.ifmo.ru/num2_4/ms2_4.pdf ] Tectin may form an adhesive stalk, disc or other sticky secretion. Tectin may also form a gelatinous envelope or membrane enclosing some ciliates as a protective capsule or lorica. Tectin is also called pseudochitin. Granules or rods (called protrichocysts) in the pellicle of some ciliates are also thought to be involved in tectin secretion.

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