myocyten.
/ˈmʌɪəsʌɪt/, U.S. /ˈmaɪoʊˌsaɪt/, /ˈmaɪəˌsaɪt/ Anatomy and Zoology.
A muscle cell; esp. a contractile cell not forming part of an organized muscle, as in some sponges and tunicates. Also: a system of contractile filaments in the cytoplasm of certain protozoans, esp. gregarine sporozoans.
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the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of > parts of > other specific cells in sponges
myocyte1887
pinacocyte1887
scleroblast1887
porocyte1898
1887 W. J. Sollas in Encycl. Brit. XXII. 419/2 Contractile fibre cells or myocytes occur in all the higher sponges.
1905 Amer. Naturalist 39 612 The ectosarc of a Polycystid gregarine shows epicyte, sarcocyte, and myocyte... The myocyte is a muscular system of longitudinal and transverse fibers.
1912 Proc. Royal Soc. B. 86 34 In this region faint longitudinal striæ, probably myocyte fibrillæ (myonemes), are present.
1959 W. Andrew Textbk. Compar. Histol. ii. 52 Myocytes, similar to smooth muscle cells, occur about the osculum or outlet of the sponge, where they form a sphincter.
1995 C. Nielsen Animal Evol. lii. 408 The tunic of didemnids contains a network of myocytes which can cause contractions of the tunic.
This entry has been updated (OED Third Edition, June 2003; most recently modified version published online March 2022).
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