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study of changes which organism undergo during their development from fertilization to birth
study of changes which organism undergo during their development from fertilization to birth
It is the study of the growth and differentiation undergone by an organism in the course of its development from a single fertilized egg cell into a highly complex and independent living being like its parents
It is the study of the growth and differentiation undergone by an organism in the course of its development from a single fertilized egg cell into a highly complex and independent living being like its parents
EMBRYOLOGY
it is the study of changes which organism undergo during their development from fertilization to birth
it is the study of changes which organism undergo during their development from fertilization to birth
EMBRYOLOGY
formation of gametes
formation of gametes
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union of male and female gametes to produce zygote
- essentially all higher animals start their lives from a single cell, the fertilized ovum (zygote)
- represents the starting point in the life history, or ontogeny, of the individual
union of male and female gametes to produce zygote
- essentially all higher animals start their lives from a single cell, the fertilized ovum (zygote)
- represents the starting point in the life history, or ontogeny, of the individual
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phase of mitotic cell division
- gives rise to a compact heap of cells, but the cells are arranged in a hollow spherical body, a
blastula, with a layer of cells, the blastoderm, surrounding a cavity, the
phase of mitotic cell division
- gives rise to a compact heap of cells, but the cells are arranged in a hollow spherical body, a blastula, with a layer of cells, the blastoderm, surrounding a cavity, the
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the blastoderm (a single layer of cells) gives rise to two or more layers of cells
known as the germinal layer
the blastoderm (a single layer of cells) gives rise to two or more layers of cells known as the germinal layer
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gives rise to skin and nervous system
gives rise to skin and nervous system
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gives rise to muscle, blood vessels, vascular system, lining of
secondary body cavity, sex organs, excretory system, internal skeleton
gives rise to muscle, blood vessels, vascular system, lining of secondary body cavity, sex organs, excretory system, internal skeleton
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alimentary canal.digestive glands
alimentary canal.digestive glands
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