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Spermatogenesis
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Created by
Fiona Carrol
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Cards (17)
Where does spermatogenesis occur?
In the
seminiferous tubules
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What role do Sertoli cells play in spermatogenesis?
They support and nourish
developing
sperm cells
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How do spermatocytes move during spermatogenesis?
From the basal compartment to the lumenal compartment
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What is the final destination of sperm cells after spermatogenesis?
Into the
lumen
of the tubule
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What is spermatogenesis?
Process of developing
stem cells
into
spermatozoa
Occurs in three phases:
Spermatocytogenesis
(Mitosis)
Meiosis
Spermiogenesis
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What are the three phases of spermatogenesis?
Spermatocytogenesis
,
Meiosis
,
Spermiogenesis
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What happens during spermatocytogenesis?
Type A spermatogonia
divide
mitotically
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What are Type B spermatogonia also known as?
Primary spermatocytes
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What occurs during Meiosis I of spermatogenesis?
Primary
spermatocytes
undergo
Prophase I
to
Telophase I
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What are the cells called after Meiosis I is complete?
Secondary spermatocytes
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How many haploid cells are produced after Meiosis II?
Four
haploid cells called
spermatids
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What is spermiogenesis?
Metamorphosis of
spermatids
into
spermatozoa
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What structures form during spermiogenesis?
Acrosome
and
flagellar apparatus
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What happens to excess cytoplasm during spermiogenesis?
It
is
reduced
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Where are spermatozoa released after spermiogenesis?
Into the lumen of the
seminiferous tubule
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What hormones are involved in spermatogenesis?
Anterior pituitary
hormones
Follicle-stimulating hormone (FSH)
Luteinizing hormone (LH)
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What is the role of
mitotic
proliferation in spermatogenesis?
To replace spermatogonia and produce Type B
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