astropylen.

Brit.

/ˈastrə(ʊ)pʌɪl/, U.S.

/ˈæstrəˌpaɪl/

Origin: Formed within English, by compounding. Etymons: astro- comb. form, -pyle comb. form.

Etymology: < astro- comb. form (in allusion to the radiate operculum) + -pyle comb. form. Compare German Astropyle (1888 or earlier).

Zoology.

An orifice in the capsule of phaeodarian actinopods, consisting of a tubular projection or proboscis arising from a radiate operculum.

ΘΚΠ

the world > animals > invertebrates > protozoa > class Sarcodina > order Radiolaria > [noun] > member of > aperture in or projection on

astropyle1887

1887 E. Haeckel in Rep. Sci. Results Voy. H.M.S. Challenger: Zool. XVIII. i. p. iv This osculum is closed by a radiate cover (astropyle or operculum radiatum).

1901 G. N. Calkins Protozoa iii. 70 The Cannopylea, in which the membrane around the pores is drawn out into funnel-like projections termed astropyles.

1940 Jrnl. Paleontol. 14 132/2 A porous plate closes the aperture in Nasellaria, and an operculum and astropyle in the Phaeodaria.

2007 Deep Sea Res. Part II 54 1095/1 Phaeodarians are distinguished by three features:..a main opening or astropyle, located in the centre, which has a peculiar radiate operculum with tubular proboscis.

This entry has been updated (OED Third Edition, March 2012; most recently modified version published online December 2021).

单词	astropyle
释义	astropylen. Brit. /ˈastrə(ʊ)pʌɪl/, U.S. /ˈæstrəˌpaɪl/ Origin: Formed within English, by compounding. Etymons: astro- comb. form, -pyle comb. form. Etymology: < astro- comb. form (in allusion to the radiate operculum) + -pyle comb. form. Compare German Astropyle (1888 or earlier). Zoology. An orifice in the capsule of phaeodarian actinopods, consisting of a tubular projection or proboscis arising from a radiate operculum. ΘΚΠ the world > animals > invertebrates > protozoa > class Sarcodina > order Radiolaria > [noun] > member of > aperture in or projection on astropyle1887 1887 E. Haeckel in Rep. Sci. Results Voy. H.M.S. Challenger: Zool. XVIII. i. p. iv This osculum is closed by a radiate cover (astropyle or operculum radiatum). 1901 G. N. Calkins Protozoa iii. 70 The Cannopylea, in which the membrane around the pores is drawn out into funnel-like projections termed astropyles. 1940 Jrnl. Paleontol. 14 132/2 A porous plate closes the aperture in Nasellaria, and an operculum and astropyle in the Phaeodaria. 2007 Deep Sea Res. Part II 54 1095/1 Phaeodarians are distinguished by three features:..a main opening or astropyle, located in the centre, which has a peculiar radiate operculum with tubular proboscis. This entry has been updated (OED Third Edition, March 2012; most recently modified version published online December 2021). < n.1887
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