paragastern.

Brit.

/ˌparəˈɡastə/, U.S.

/ˌpɛrəˈɡæst(ə)r/

Origin: Formed within English, by derivation. Etymons: para- prefix¹, -gaster comb. form.

Etymology: < para- prefix¹ + -gaster comb. form. Compare paragastric adj. 2.

Zoology.

A central cavity in a sponge, open to the exterior through ostia.

ΘΚΠ

the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of > parts of > gastric cavity

paragaster1887

1887 W. J. Sollas in Encycl. Brit. XXII. 413/2 The simple paragaster of Ascetta may become complicated in a variety of ways.

1940 G. S. Carter Gen. Zool. Invertebr. xix. 384 Large sponges may have numerous paragasters and oscula.

1993 E. N. K. Clarkson Invertebr. Palaeontol. & Evol. (ed. 3) iv. 83/1 In the larger modern sponges shrimps, ophiuroids or other commensal animals may live in the paragaster.

Derivatives

paraˈgastral adj.

ΘΚΠ

the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [adjective] > relating to a sponge > of parts of sponge > relating to the gastric cavity

paragastric1887

paragastral1888

1888 W. J. Sollas in Rep. Sci. Results Voy. H.M.S. Challenger: Zool. XXV. p. xxvi If endodermal, then the cavity of the vase forming the sponge must be paragastral.

1950 W. S. Bullough Pract. Invertebr. Anat. (1951) ii. 41 These canals converge to enter the base of one of the main paragastral cavities.

This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022).

单词	paragaster
释义	paragastern. Brit. /ˌparəˈɡastə/, U.S. /ˌpɛrəˈɡæst(ə)r/ Origin: Formed within English, by derivation. Etymons: para- prefix¹, -gaster comb. form. Etymology: < para- prefix¹ + -gaster comb. form. Compare paragastric adj. 2. Zoology. A central cavity in a sponge, open to the exterior through ostia. ΘΚΠ the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of > parts of > gastric cavity paragaster1887 1887 W. J. Sollas in Encycl. Brit. XXII. 413/2 The simple paragaster of Ascetta may become complicated in a variety of ways. 1940 G. S. Carter Gen. Zool. Invertebr. xix. 384 Large sponges may have numerous paragasters and oscula. 1993 E. N. K. Clarkson Invertebr. Palaeontol. & Evol. (ed. 3) iv. 83/1 In the larger modern sponges shrimps, ophiuroids or other commensal animals may live in the paragaster. Derivatives paraˈgastral adj. ΘΚΠ the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [adjective] > relating to a sponge > of parts of sponge > relating to the gastric cavity paragastric1887 paragastral1888 1888 W. J. Sollas in Rep. Sci. Results Voy. H.M.S. Challenger: Zool. XXV. p. xxvi If endodermal, then the cavity of the vase forming the sponge must be paragastral. 1950 W. S. Bullough Pract. Invertebr. Anat. (1951) ii. 41 These canals converge to enter the base of one of the main paragastral cavities. This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022). < n.1887
随便看	motherjumper motherjumping motherkin motherkins motherland motherland party motherlands motherlaw motherless motherless drunk motherlessness motherlessnesses motherlier motherliest motherlike motherliness motherlinesses motherling motherlode motherlodge motherlove motherloving motherly motherly-looking motherlye