Extra-embryonic Membranes

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Development of extra embryonic membranes During the development of chick and other vertebrates, there are produced certain tissues or structures that temporarily or permanently do not enter into the formation …

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Spermatogenesis and Spermiogenesis


Spermatogenesis and Spermiogenesis The development of spermatozoa takes place in the male gonads called testes, which are paired in structure. In mammals, they are suspended in the scrotal sac, outside …

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Embryology: Definition and Concept

Embryo Development

Embryology: Definition and Concept Definition: Embryology is a branch of science that is related to the formation, growth, and development of the embryo. It deals with the prenatal stage of …

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