Check the office hours information above before planning your trip. Some offices offer services at specific times that may be different than the normal hours listed. No enforcement means the office does not process surrenders of suspended or revoked licenses or registrations, or issue conditional or restricted licenses.
Use gastrula in a sentence. pl. -Â·laeÂ· or -Â·las. an embryo in an early stage of development, consisting of a sac with two layers, the ectoderm and endoderm, enclosing a central cavity, the archenteron, that opens to the outside through the blastopore. Origin of gastrula.
The blastula is an early stage of embryonic development in animals. It is also called blastosphere. It is produced by cleavage of a fertilized ovum and consists of a spherical layer of around 128 cells surrounding a central fluid-filled cavity called the blastocoel.The blastula follows the morula and precedes the gastrula in the developmental sequence.Whereas, a gastrula is a phase early in the development of animal embryos, during which the morphology of the embryo is dramatically restructured by cell migration.eport Abuse. gastrula-An embryo at the stage following the blastula, consisting of a hollow, two-layered sac of ectoderm and endoderm surrounding an archenteron that communicates with the exterior through the blastopore.