gastrula
About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.
About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.gas·tru·la
noun \ˈgas-trə-lə\ plural gas·tru·las or gas·tru·lae\-ˌlē, -ˌlī\
Definition of GASTRULA
: an early metazoan embryo in which the ectoderm, mesoderm, and endoderm are established either by invagination of the blastula (as in fish and amphibians) to form a multilayered cellular cup with a blastopore opening into the archenteron or by differentiation of the blastodisc (as in reptiles, birds, and mammals) and inward cellular migration — compare blastula, morula
— gas·tru·lar \-lər\ adjective
See Origin of GASTRULA
New Latin, from gastr-
First Known Use: 1876
gas·tru·la
noun \ˈgas-trə-lə\ (Medical Dictionary)plural ; gas·tru·lasor ; gas·tru·lae \-ˌlē, -ˌlī\ (audio pronunciation) (audio pronunciation)
Medical Definition of GASTRULA
: an early metazoan embryo in which the ectoderm, mesoderm, and endoderm are established either by invagination of the blastula (as in fish and amphibians) to form a multilayered cellular cup with a blastopore opening into the archenteron or (as in reptiles, birds, and mammals) by differentiation of the upper layer of the blastodisc into the ectoderm and the lower layer into the endoderm and by the inward migration of cells through the primitive streak to form the mesoderm—compare morula
—gas·tru·lar \-lər\ (audio pronunciation) adjective
Learn More About GASTRULA
Browse
Next Word in the Dictionary: gastrulation
Previous Word in the Dictionary: gastrozooid
All Words Near: gastrula
Previous Word in the Dictionary: gastrozooid
All Words Near: gastrula
Seen & Heard 
What made you want to look up gastrula? Please tell us where you read or heard it (including the quote, if possible).
