protogastricadj.

Brit.

/ˌprəʊtə(ʊ)ˈɡastrɪk/, U.S.

/ˌproʊdoʊˈɡæstrɪk/

Origin: Formed within English, by compounding. Etymons: proto- comb. form, gastric adj.

Etymology: < proto- comb. form + gastric adj.In sense 2 after protogaster n.

1. Zoology. In brachyuran crabs: relating to or designating either of a pair of lobes of the carapace which cover the anterior part of the gastric area.

ΚΠ

1877 T. H. Huxley Man. Anat. Invertebrated Animals vi. 343 The latter is..subdivided into two epigastric lobes, two protogastric lobes, a median mesogastric lobe, two metagastric lobes and two urogastric lobes.

1934 Jrnl. Palaeontol. 8 51/1 In Z[anthopsis] peytoni.., bosses of the protogastric region are quite conspicuous though low.

1996 N.Z. Jrnl. Geol. & Geophysics 39 512/1 The specimen is invested with a large serpulid worm tube extending from the urogastric region anteriorly along the axis of the carapace, then curving across the right protogastric region.

†2. Biology. Of or relating to the archenteron of a gastrula. Cf. protogaster n. Obsolete. rare.Apparently only attested in dictionaries or glossaries.

ΚΠ

1890 in Cent. Dict. Protogastric, of or pertaining to the protogaster.

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

单词	protogastric
释义	protogastricadj. Brit. /ˌprəʊtə(ʊ)ˈɡastrɪk/, U.S. /ˌproʊdoʊˈɡæstrɪk/ Origin: Formed within English, by compounding. Etymons: proto- comb. form, gastric adj. Etymology: < proto- comb. form + gastric adj.In sense 2 after protogaster n. 1. Zoology. In brachyuran crabs: relating to or designating either of a pair of lobes of the carapace which cover the anterior part of the gastric area. ΚΠ 1877 T. H. Huxley Man. Anat. Invertebrated Animals vi. 343 The latter is..subdivided into two epigastric lobes, two protogastric lobes, a median mesogastric lobe, two metagastric lobes and two urogastric lobes. 1934 Jrnl. Palaeontol. 8 51/1 In Z[anthopsis] peytoni.., bosses of the protogastric region are quite conspicuous though low. 1996 N.Z. Jrnl. Geol. & Geophysics 39 512/1 The specimen is invested with a large serpulid worm tube extending from the urogastric region anteriorly along the axis of the carapace, then curving across the right protogastric region. †2. Biology. Of or relating to the archenteron of a gastrula. Cf. protogaster n. Obsolete. rare.Apparently only attested in dictionaries or glossaries. ΚΠ 1890 in Cent. Dict. Protogastric, of or pertaining to the protogaster. This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022). < adj.1877
随便看	tetractine tetractinellid tetractinellidan tetractinelline tetractinose tetracts tetractys tetractysm tetracyclic tetracycline tetracyclines tetrad tetrad metal tetrad term tetrad-deme tetradactyl tetradactylity tetradactylous tetradactyls tetradactyly tetradarchy tetraddeme tetradecane tetradecapeptide tetradecapod