Male & Female reproductive organs Phases of reproduction

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Presentation transcript:

Male & Female reproductive organs Phases of reproduction Reproductive system Male & Female reproductive organs Phases of reproduction

Male reproductive system 1-Testes 2-Ducts 3-Glands 4-External genitalia Cowper’s gland Testes

Male reproductive organs-Testes Scrotum Seminiferous tubules (leydig cells)

Female reproductive organ Ovaries Ducts External genitalia

Female reproductive organs-Ovary Graafian follicle

Phases of reproduction Gametogenesis Fertilisation Cleavage and embryo implantation Embryogenesis & Accouchement

Gametogenesis Gametogenesis is formation of male and female sex cells called gametes (sperm and ova) in testes and ovary respectively. Spermatogenesis in male Oogenesis in female

Gametogenesis Haploid & Diploid

Gametogenesis

Gametogenesis

Phases of reproduction Gametogenesis Fertilisation Cleavage and embryo implantation Embryogenesis & Accouchement

Fertilisation- Syngamy

Phases of reproduction Gametogenesis Fertilisation Cleavage and embryo implantation Embryogenesis & Accouchement

Cleavage and embryo implantation The repeated mitotic division of the zygote without the growth resulting in a multicellular ball like embryo. Zygote blastomeres Morula blastocyst

Cleavage and embryo implantation blastomeres

Phases of reproduction Gametogenesis Fertilisation Cleavage and embryo implantation Embryogenesis & Accouchement

Embryogenesis & Accouchement Human embryogenesis is the process of cell division and cellular differentiation of the embryo that occurs during the early stages of development. Accouchement The parturition process in human beings; the process of giving birth to a child.