1.1.4 Testis Histology Flashcards by Sida Niu

Q

What are the two cell types in the seminiferous tubules?

A

Spermatogenic cells - male germ cells that are constants dividing and differentiating

Sertoli cells - supporting somatic cell - non-dividing in adults

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Q

What are the characteristics of testicular cancer?

A

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Q

What are the stages of spermatic cells?

A

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Q

What are the characteristics of the acrosome?

A

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Q

What are the characteristics of ebola and Zika?

A

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Q

What are the covered parts

A

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Q

What are the covered parts

A

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Q

What is the role of the sertoli cell in spermiation?

A

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Q

What is the importance of cytoplasmic bridges in sperm?

A

Bridges between adjacent spermatids results in sperm being genetically haploid, but phenotypically diploid

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Q

What is this an image of?

A

Seminiferous tubules

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Q

What are the characteristics of Leydig cells?

A

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Q

What are the characteristics of primary spermatocytes and why is the pachytene phase important?

A

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Q

How does heat affect the testes?

A

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Q

What si the blood-testis barrier?

A

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Q

What is the covered part of this image?

A

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Q

What are the seminiferous tubules?

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A

Tubes with a lumenal fluid/sperm filled space and never branch

Q

What are the characteristics of Klinefelter’s Syndrome?

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A

Q

What is the importance of peritubular myoid cells?

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A

Q

Mitosis produces __ while meiosis produces ___ ?

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A

Mitosis - two identical diploid

Meiosis - four unique haploid

Q

Have spermatogenic stem cell been transplanted?

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A

Yes

Q

What are the characteristics of Sertoli Cells?

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A

Sertoli cells have FSH and androgen receptors

Q

What are the covered parts

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A

Q

What are the characteristics of HIV?

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A

Q

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A

How does the length of prophase compare in men and women?

One month in males 13-50 years in females

What are the covered parts

Left - seminiferous tubules Right - Rete testis

Describe the process of meiosis in males

What are the covered parts

What are some proteins secreted by sertoli cells?

Have to know bolded Kit ligand or steel factor - required for spermatogenic cell survival Inhibin - inhibits pituitary FSH release

What are the covered parts

Why are sperm immunologically foreign?