9 ผลลัพธ์ สำหรับ gastraea
หรือค้นหา: -gastraea-, *gastraea*

เนื่องจากผลลัพธ์มีน้อย ระบบจึงเปลี่ยนคำค้นเป็น gastrula

Collaborative International Dictionary (GCIDE)
Gastraea

‖n. [ NL., from Gr. &unr_;, &unr_;, the stomach. ] (Biol.) A primeval larval form; a double-walled sac from which, according to the hypothesis of Haeckel, man and all other animals, that in the first stages of their individual evolution pass through a two-layered structural stage, or gastrula form, must have descended. This idea constitutes the Gastræa theory of Haeckel. See Gastrula. [ 1913 Webster ]

Gastrula

‖n.; pl. Gastrulæ ety>[ NL., dim. fr. Gr. &unr_; the stomach. ] (Biol.) An embryonic form having its origin in the invagination or pushing in of the wall of the planula or blastula (the blastosphere) on one side, thus giving rise to a double-walled sac, with one opening or mouth (the blastopore) which leads into the cavity (the archenteron) lined by the inner wall (the hypoblast). See Illust. under Invagination. In a more general sense, an ideal stage in embryonic development. See Gastræa. -- a. Of or pertaining to a gastrula. [ 1913 Webster ]

Gastrulation

n. (Biol.) The process of invagination, in embryonic development, by which a gastrula is formed. [ 1913 Webster ]


CMU Pronouncing Dictionary
gastrulate
 /G AE1 S T R AH0 L EY2 T/
/แก๊ สึ เถรอะ เล ถึ/
/gˈæstrəlˌeɪt/
gastrulation
 /G AE2 S T R AH0 L EY1 SH AH0 N/
/แก สึ เถรอะ เล้ เฉิ่น/
/gˌæstrəlˈeɪʃən/

WordNet (3.0)
gastrula(n) double-walled stage of the embryo resulting from invagination of the blastula; the outer layer of cells is the ectoderm and the inner layer differentiates into the mesoderm and endoderm
gastrulation(n) the process in which a gastrula develops from a blastula by the inward migration of cells

Collaborative International Dictionary (GCIDE)
Gastrula

‖n.; pl. Gastrulæ ety>[ NL., dim. fr. Gr. &unr_; the stomach. ] (Biol.) An embryonic form having its origin in the invagination or pushing in of the wall of the planula or blastula (the blastosphere) on one side, thus giving rise to a double-walled sac, with one opening or mouth (the blastopore) which leads into the cavity (the archenteron) lined by the inner wall (the hypoblast). See Illust. under Invagination. In a more general sense, an ideal stage in embryonic development. See Gastræa. -- a. Of or pertaining to a gastrula. [ 1913 Webster ]

Gastrulation

n. (Biol.) The process of invagination, in embryonic development, by which a gastrula is formed. [ 1913 Webster ]


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