PARAGASTRULA Meaning and
Definition
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A paragastrula is a stage in the early embryonic development of multicellular animals, specifically in the phylum Cnidaria. It is a developmental stage that occurs after gastrulation and represents an intermediate stage between a blastula and a gastrula.
In the paragastrula stage, the embryo transforms from a hollow ball of cells (blastula) into a structure with two distinct layers: the ectoderm and the endoderm. The ectoderm is the outer layer, while the endoderm is the inner layer.
During paragastrulation, the embryo starts to undergo invagination, a process in which the cells at one end of the blastula fold inward to form a small cavity called the blastopore. This invagination creates the beginning of the endodermal layer, while the outer layer remains as the ectoderm. As the process continues, the blastopore enlarges and elongates, eventually developing into the blastopore lip.
The paragastrula stage is a crucial point in embryonic development as it lays the foundation for the formation of various tissues and organs in later stages. From the paragastrula, the embryo continues to develop into a gastrula, where further differentiation and development of organ systems occur.
Overall, the paragastrula stage marks an important transition in early embryonic development, as the blastula's cells begin to differentiate and organize into distinct germ layers, setting the stage for the subsequent processes of gastrulation and organogenesis.
Common Misspellings for PARAGASTRULA
- oaragastrula
- laragastrula
- -aragastrula
- 0aragastrula
- pzragastrula
- psragastrula
- pwragastrula
- pqragastrula
- paeagastrula
- padagastrula
- pafagastrula
- patagastrula
- pa5agastrula
- pa4agastrula
- parzgastrula
- parsgastrula
- parwgastrula
- parqgastrula
- parafastrula
- paravastrula
Etymology of PARAGASTRULA
The word "paragastrula" was formed by combining two Greek roots: "para-" meaning "beside" or "next to", and "gastrula" referring to a stage in embryonic development. In this context, "para-" is used to denote a modified or alternative form of gastrula, meaning a structure that is similar to, but distinct from, the typical gastrula.
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