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Animation IVF video. Testis Structure HL animation.

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Presentation on theme: "Animation IVF video. Testis Structure HL animation."— Presentation transcript:

1 animation IVF video

2 Testis Structure HL animation

3

4 Spermatogenesis HL

5 animation Pearson overview

6 Spermatogenesis and hormones HL

7 Production of semen HL Epididymis: testicle fluids are removed and the sperm concentrated sperm mature here and develop the ability to swim Seminal vesicles: adds nutrients that include fructose sugar for respiration mucus to protect sperm in the cell Prostate: adds fluids that neutralise the vaginal acids and minerals ions

8 Ovary Structure HL

9 Ovary Structure HL

10 Oogenesis HL

11 Oogenesis HL

12 Spermatogenesis versus Oogenesis HL Similarities: Both begin with mitosis Both make use of LH and FSH Both include two meiotic reduction division Differences: HOMEWORK!

13 Sperm and Egg cell HL

14 Fertilisation HL

15 Embryo development HL HCG: Secretion of Progesterone and Estrogen by Corpus Luteum Progesterone and Estrogen inhibit FSH-LH – so no more eggs are released Progesterone maintain endometrium, where the blastocyst develops into a fetus and the placenta forms HCG Progesterone Estrogen

16 Placental structure: HL Placental villi

17 Hormonal Control of Birth HL

18 Hormonal Control of Birth HL


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