英语词汇“gastrula”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

gas•tru•la n., pl. -las, -lae [Embryol.]

Developmental Biologya metazoan embryo in an early state of germ layer formation following the blastula stage, consisting of a cuplike body of two layers of cells, the ectoderm and endoderm, enclosing a central cavity, or archenteron, that opens to the outside by the blastopore: in most animals progressing to the formation of a third cell layer, the mesoderm.

gas′tru•lar, adj.

Collins Concise English Dictionary © HarperCollins Publishers::

gastrula /ˈɡæstrʊlə/ n ( pl -las, -lae / -ˌliː/)

a saclike animal embryo consisting of three layers of cells (ectoderm, mesoderm, and endoderm) surrounding a central cavity (archenteron) with a small opening (blastopore) to the exterior
See also ectoderm, mesoderm, endoderm

Etymology: 19th Century: New Latin: little stomach, from Greek gastēr belly

ˈgastrular adj

单词	gastrula
释义	WordReference Random House Unabridged Dictionary of American English © 2024 gas•tru•la (gas′trŏŏ lə),USA pronunciation n., pl. -las, -lae (-lē′).USA pronunciation [Embryol.] Developmental Biologya metazoan embryo in an early state of germ layer formation following the blastula stage, consisting of a cuplike body of two layers of cells, the ectoderm and endoderm, enclosing a central cavity, or archenteron, that opens to the outside by the blastopore: in most animals progressing to the formation of a third cell layer, the mesoderm. Neo-Latin; see gastro-, -ule 1875–80 gas′tru•lar, adj. Collins Concise English Dictionary © HarperCollins Publishers:: gastrula /ˈɡæstrʊlə/ n ( pl -las, -lae / -ˌliː/) a saclike animal embryo consisting of three layers of cells (ectoderm, mesoderm, and endoderm) surrounding a central cavity (archenteron) with a small opening (blastopore) to the exterior See also ectoderm, mesoderm, endoderm Etymology: 19th Century: New Latin: little stomach, from Greek gastēr belly ˈgastrular adj
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