English-Thai Dictionary
gastrula
N ตัวอ่อน ระยะ ต่อจาก blastula
Webster's 1913 Dictionary
GASTRULA
Gas "tru *la, n.; pl. Gastrulæ Etym: [NL. , dim. fr. Gr. (Biol.)
Defn: 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.
Defn: Of or pertaining to a gastrula.
GASTRULATION
GASTRULATION Gas `tru *la "tion, n. (Biol.)
Defn: The process of invagination, in embryonic development, by which a gastrula is formed.
New American Oxford Dictionary
gastrula
gas tru la |ˈgastro͝olə ˈɡæstrələ | ▶noun ( pl. gastrulae |-ˌlē | ) Embryology an embryo at the stage following the blastula, when it is a hollow cup-shaped structure having three layers of cells. DERIVATIVES gas tru la tion |ˌgastrəˈlāSHən |noun ORIGIN late 19th cent.: modern Latin, from Greek gastēr, gastr- ‘stomach ’ + the Latin diminutive ending -ula.
Oxford Dictionary
gastrula
gastrula |ˈgastrʊlə | ▶noun ( pl. gastrulae |-liː | ) Embryology an embryo at the stage following the blastula, when it is a hollow cup-shaped structure having three layers of cells. DERIVATIVES gastrulation noun ORIGIN late 19th cent.: modern Latin, from Greek gastēr, gastr- ‘stomach ’ + the Latin diminutive ending -ula.
Duden Dictionary
Gastrula
Gas t ru la , Gas tru la Substantiv, feminin Zoologie , die |G a strula |aus den zwei Zellschichten Entoderm und Ektoderm bestehender, oft becherförmiger Keim (als Entwicklungsstadium mehrzelliger Tiere )
Gastrulation
Gas t ru la ti on , Gas tru la ti on Substantiv, feminin Zoologie , die |Gastrulati o n |die Gastrulation; Genitiv: der Gastrulation, Plural: die Gastrulationen Bildung der Gastrula
Spanish Dictionary
gástrula
gástrula nombre femenino biol Fase del desarrollo embrionario posterior al de blástula; se forma por la invaginación o replegamiento de un hemisferio de la blástula en el otro y tiene forma de saca de doble pared .
gastrulación
gastrulación nombre femenino biol Formación de la gástrula .