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Question
Gastrulation is characterised by the formation of:
Gastrulation is characterised by the formation of:
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Solution
The correct option is B Archenteron
The blastula is a hollow sphere of cells produced during the development of an embryo by repeated cleavage of a fertilised egg. The cells of the blastula form an epithelial layer called the blastoderm. The fluid-filled cavity of the blastula, enclosed within the blastoderm, is called the blastocoel. Blastoderm and blastocoel are formed during blastulation. Blastulation precedes gastrulation.
The blastocyst undergoes a process called gastrulation wherein the formation of germ layers occurs. The newly formed structure is called the gastrula.
The gastrula has a cavity called archenteron. So, during the process of gastrulation, the cavity that forms in the gastrula is called archenteron. It refers to the primitive digestive cavity of the embryo.
Inner cell mass, during gastrulation, differentiates into a bilaminar embryo, consisting of epiblast and hypoblast.
The blastula is a hollow sphere of cells produced during the development of an embryo by repeated cleavage of a fertilised egg. The cells of the blastula form an epithelial layer called the blastoderm. The fluid-filled cavity of the blastula, enclosed within the blastoderm, is called the blastocoel. Blastoderm and blastocoel are formed during blastulation. Blastulation precedes gastrulation.
The blastocyst undergoes a process called gastrulation wherein the formation of germ layers occurs. The newly formed structure is called the gastrula.
The gastrula has a cavity called archenteron. So, during the process of gastrulation, the cavity that forms in the gastrula is called archenteron. It refers to the primitive digestive cavity of the embryo.
Inner cell mass, during gastrulation, differentiates into a bilaminar embryo, consisting of epiblast and hypoblast.
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