ARCHIGASTRULA Meaning and
Definition
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The term "archigastrula" refers to a developmental stage in the formation of multicellular organisms, specifically in the process of gastrulation. Gastrulation is a critical phase in embryonic development where a single layer of cells rearranges and differentiates to form three distinct germ layers, which are the primary cell layers that give rise to various tissues and organs in the body.
During archigastrula, the embryonic cells form an arch-shaped structure, also known as the archenteron. This structure will eventually develop into the future digestive system of the organism. The archenteron is enclosed by the endodermal cells, which will give rise to the inner layer of tissues, such as the gut lining. Surrounding the endodermal layer, there is an outer layer called ectoderm, which will supply the organism with its outer covering, such as the skin and nervous system. Between these two layers lies the mesoderm, which will contribute to the development of muscles, circulatory system, and skeleton, among others.
The archigastrula stage typically occurs in the early stages of embryogenesis and is observed in various animal groups, including insects, mollusks, and chordates. This stage is crucial in establishing the basic body plan and initiating the formation of important internal organs. The archigastrula marks a significant milestone in the complex process of embryonic development, setting the foundation for further cell differentiation, tissue formation, and organogenesis that occur in later stages of development.
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The primitive gastrula developing from the archiblastula.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for ARCHIGASTRULA
- zrchigastrula
- srchigastrula
- wrchigastrula
- qrchigastrula
- aechigastrula
- adchigastrula
- afchigastrula
- atchigastrula
- a5chigastrula
- a4chigastrula
- arxhigastrula
- arvhigastrula
- arfhigastrula
- ardhigastrula
- arcgigastrula
- arcbigastrula
- arcnigastrula
- arcjigastrula
- arcuigastrula
- arcyigastrula
Etymology of ARCHIGASTRULA
The word "archigastrula" is a combination of two Greek roots: "arche" meaning "beginning" or "first", and "gastrula" referring to a stage in embryonic development. "Gastrula" itself is derived from "gaster" meaning "stomach" or "belly". So, "archigastrula" can be understood as the "first gastrula" or the initial stage of gastrula formation in the early development of an embryo.
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