Tectin (secretion)

Tectin is an organic substance secreted by certain ciliates.[1][2][3][4] 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.

## See also

* Chitin
* Conchiolin
* Sporopollenin

## References

1. ↑ Hyman, Libbie Henrietta (1940). The invertebrates: Protozoa through Ctenophora. McGraw-Hill.
2. ↑ Hedley RH (1963). "Cement and iron in the arenaceious foraminifera". Micropaleontology (The Micropaleontology Project, Inc.) 9 (4): 433–441. doi:10.2307/1484505.
3. ↑ "Do prokaryotes contain microtubules?". Microbiol. Rev. 58 (3): 387–400. 1994. doi:10.1128/MR.58.3.387-400.1994. PMID 7968920.
4. ↑ Dovgal IV (2002). "Evolution, phylogeny and classification of Suctorea (Ciliophora)". Protistology 2 (4): 194–270. http://protistology.ifmo.ru/num2_4/ms2_4.pdf.

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