Animation IVF video. Testis Structure animation 11.4.1 Annotate a light micrograph of testis tissue...
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Transcript of Animation IVF video. Testis Structure animation 11.4.1 Annotate a light micrograph of testis tissue...
![Page 1: Animation IVF video. Testis Structure animation 11.4.1 Annotate a light micrograph of testis tissue to show the location and function of interstitial.](https://reader036.fdocuments.in/reader036/viewer/2022081516/56649f305503460f94c4a5ae/html5/thumbnails/1.jpg)
animation
IVF video
![Page 2: Animation IVF video. Testis Structure animation 11.4.1 Annotate a light micrograph of testis tissue to show the location and function of interstitial.](https://reader036.fdocuments.in/reader036/viewer/2022081516/56649f305503460f94c4a5ae/html5/thumbnails/2.jpg)
Testis Structure
animation
11.4.1 Annotate a light micrograph of testis tissue to show the location and function of interstitial cells (Leydig cells), germinal epithelium cells, developing spermatozoa and Sertoli cells.
Vas Deferens
Epididymus
Seminiferous Tubules
TestisScrotum
Tunica Albuguinea
![Page 3: Animation IVF video. Testis Structure animation 11.4.1 Annotate a light micrograph of testis tissue to show the location and function of interstitial.](https://reader036.fdocuments.in/reader036/viewer/2022081516/56649f305503460f94c4a5ae/html5/thumbnails/3.jpg)
InterstitialCells
InterstitialCells
Spermatogonia
Sertoli cells spermatids
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Spermatogenesis
11.4.2 Outline the processes involved in spermatogenesis within the testis, including mitosis, cell growth, the two divisions of meiosis and cell differentiation.
lumen
Leydig Cells(Interstitial Cells)
SeminiferousTubule
DevelopingSperm
Sertoli Cell
![Page 5: Animation IVF video. Testis Structure animation 11.4.1 Annotate a light micrograph of testis tissue to show the location and function of interstitial.](https://reader036.fdocuments.in/reader036/viewer/2022081516/56649f305503460f94c4a5ae/html5/thumbnails/5.jpg)
11.4.3 State the role of LH, testosterone and FSH in spermatogensis.
Spermatogonium(germinal epithelium)
Primary Spermatocyte
Secondary Spermatocyte
Spermatids
Nourishment fromSertoli cells
Spermatozoa(mature sperm cells)
![Page 6: Animation IVF video. Testis Structure animation 11.4.1 Annotate a light micrograph of testis tissue to show the location and function of interstitial.](https://reader036.fdocuments.in/reader036/viewer/2022081516/56649f305503460f94c4a5ae/html5/thumbnails/6.jpg)
11.4.3 State the role of LH, testosterone and FSH in spermatogensis.
Testosterone stimulates the final meiotic division and differentiation of the spermatids to form mature spermatozoa.
FSH is produced an released by the anterior pituitary gland and stimulates meiosis of the primary spermatocytes, giving secondary spermatocytes (now haploid).
LH is also released and reaches the interstitialcells (Leydig cells) of the testis, where it stimulates testosterone production.
![Page 7: Animation IVF video. Testis Structure animation 11.4.1 Annotate a light micrograph of testis tissue to show the location and function of interstitial.](https://reader036.fdocuments.in/reader036/viewer/2022081516/56649f305503460f94c4a5ae/html5/thumbnails/7.jpg)
11.4.7 Outline the role of the epididymis, seminal vesicle and prostate gland in the production of semen.
Epididymus
Seminal vesicle
Prostate gland
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11.4.6 Draw and label a diagram of a mature sperm and egg.
acrosome
mitochondriaflagellum
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11.4.3 Annotate a diagram of the ovary to show the location and function of germinal epithelium, primary follicles, mature follicle and secondary oocyte.
Germinal epithelium
Primary folliclePrimary oocyte
Secondary oocyteZona pellucida
Corpus luteum
![Page 10: Animation IVF video. Testis Structure animation 11.4.1 Annotate a light micrograph of testis tissue to show the location and function of interstitial.](https://reader036.fdocuments.in/reader036/viewer/2022081516/56649f305503460f94c4a5ae/html5/thumbnails/10.jpg)
Germinal epithelium
Primary follicle
mature follicle
Secondary oocyteZona pellucida
medulla
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11.4.5 Outline the processes involved in oogenesis within the ovary, including mitosis, cell growth, the two divisions of meiosis, the unequal division of cytoplasm and the degeneration of polar body.
![Page 12: Animation IVF video. Testis Structure animation 11.4.1 Annotate a light micrograph of testis tissue to show the location and function of interstitial.](https://reader036.fdocuments.in/reader036/viewer/2022081516/56649f305503460f94c4a5ae/html5/thumbnails/12.jpg)
11.4.6 Draw and label a diagram of a mature sperm and egg.
![Page 13: Animation IVF video. Testis Structure animation 11.4.1 Annotate a light micrograph of testis tissue to show the location and function of interstitial.](https://reader036.fdocuments.in/reader036/viewer/2022081516/56649f305503460f94c4a5ae/html5/thumbnails/13.jpg)
11.4.8 compare the processes of spermatogenesis and oogenesis, including the number of gametes and the timing of the formation and release of gametes.
mitosisLH and FSH
2 meiotic divisions
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11.4.9 Describe the process of fertilization, including the acrosome reaction, penetration of the egg membrane by a sperm and the cortical reaction.
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11.4.9 Describe the process of fertilization, including the acrosome reaction, penetration of the egg membrane by a sperm and the cortical reaction.
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11.4.9 Describe the process of fertilization, including the acrosome reaction, penetration of the egg membrane by a sperm and the cortical reaction.
![Page 17: Animation IVF video. Testis Structure animation 11.4.1 Annotate a light micrograph of testis tissue to show the location and function of interstitial.](https://reader036.fdocuments.in/reader036/viewer/2022081516/56649f305503460f94c4a5ae/html5/thumbnails/17.jpg)
HCG
ProgesteroneEstrogen
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
11.4.10 Outline the role of HCG in early pregnancy.
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11.4.12 Explain how the structure and functions of the placenta, including its hormonal role in secretion of estrogen and progesterone, maintain pregnancy.11.4.13 State that the fetus is supported and protected by theamniotic sac and amniotic fluid.11.4.14 State that the materials are exchangedBetween the maternal and fetal bloodIn the placenta.
Functions of the placenta- Releases _____________ and _________- Exchange of materials between _________ and ________ blood (blood does not mix)
progesteroneestrogen
fetal maternal
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11.4.12 Explain how the structure and functions of the placenta, including its hormonal role in secretion of estrogen and progesterone, maintain pregnancy.
• Rich fetal blood supply • Few thin membranes give a short diffusion path for materials.
• Villi increase surface area for exchange
• Placenta has a large surface area and many RER and vesicles for production of hormones
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11.4.15 Outline the process of birth and its hormonal control, including the changes in progesterone and oxytocin levels and positive feedback.
contrations
further release of oxytocin
oxytocin
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11.4.15 Outline the process of birth and its hormonal control, including the changes in progesterone and oxytocin levels and positive feedback.
Cervix is dialating
placenta