prosopylen.

Brit.

/ˈprɒsəpʌɪl/, U.S.

/ˈprɑsəˌpaɪl/

Origin: A borrowing from Greek, combined with an English element. Etymons: Greek πρόσω , -pyle comb. form.

Etymology: < ancient Greek πρόσω forwards (see prosobranch n.) + -pyle comb. form.

Zoology.

In sponges (other than those having a simple asconoid structure): a minute pore by which water passes from an incurrent canal into a radial canal or flagellated chamber (in which choanocytes trap food particles).

ΚΠ

1887 W. J. Sollas in Encycl. Brit. XXII. 413/2 To avoid ambiguity we shall for the future distinguish [this] kind of opening as a prosopyle.

1928 Amer. Midland Naturalist 11 287 The numerous small pores, prosopyles, are carried down by each fold that encroaches upon the original simple paragastric cavity.

1987 M. S. Laverack & J. Dando Lect. Notes Invertebr. Zool. (ed. 3) iii. 28/1 In the chambers of syconoid and leuconoid sponges, the lumen of the excurrent opening to the spongocoel, the apopyle, is much greater than that of all the incurrent openings or prosopyles.

Derivatives

ˈprosoˌpylar adj.

ΚΠ

1890 Cent. Dict. Prosopylar, of or pertaining to a prosopyle; provided with a prosopyle; incurrent, as an orifice of an endodermal chamber of a sponge.

1986 Zoomorphology 106 205 Water influx into the chambers is guaranteed by prosopylar openings in the pinacocyte cover at the outer chamber surface.

This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022).

单词	prosopyle
释义	prosopylen. Brit. /ˈprɒsəpʌɪl/, U.S. /ˈprɑsəˌpaɪl/ Origin: A borrowing from Greek, combined with an English element. Etymons: Greek πρόσω , -pyle comb. form. Etymology: < ancient Greek πρόσω forwards (see prosobranch n.) + -pyle comb. form. Zoology. In sponges (other than those having a simple asconoid structure): a minute pore by which water passes from an incurrent canal into a radial canal or flagellated chamber (in which choanocytes trap food particles). ΚΠ 1887 W. J. Sollas in Encycl. Brit. XXII. 413/2 To avoid ambiguity we shall for the future distinguish [this] kind of opening as a prosopyle. 1928 Amer. Midland Naturalist 11 287 The numerous small pores, prosopyles, are carried down by each fold that encroaches upon the original simple paragastric cavity. 1987 M. S. Laverack & J. Dando Lect. Notes Invertebr. Zool. (ed. 3) iii. 28/1 In the chambers of syconoid and leuconoid sponges, the lumen of the excurrent opening to the spongocoel, the apopyle, is much greater than that of all the incurrent openings or prosopyles. Derivatives ˈprosoˌpylar adj. ΚΠ 1890 Cent. Dict. Prosopylar, of or pertaining to a prosopyle; provided with a prosopyle; incurrent, as an orifice of an endodermal chamber of a sponge. 1986 Zoomorphology 106 205 Water influx into the chambers is guaranteed by prosopylar openings in the pinacocyte cover at the outer chamber surface. This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022). < n.1887
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