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Anatomy of Seminiferous Tubules

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Questions and Answers

What is the function of the cytoskeleton in Sertoli cells?

Nutrient uptake

Maintaining cell shape (correct)

Cell signaling

Hormone production

What is the shape of Sertoli cells?

Tall irregular (correct)

Cuboidal

Flat squamous

Columnar

What is the location of Sertoli cells relative to the spermatogenic cells?

Below the spermatogenic cells

Above the spermatogenic cells

Around the spermatogenic cells

Among the spermatogenic cells (correct)

What is the structure that Sertoli cells extend from?

Basal lamina Signup and view all the answers

What is the direction of extension of Sertoli cells?

From the basal lamina to the lumen Signup and view all the answers

What is the immediate precursor of mature sperm?

Secondary spermatocytes Signup and view all the answers

Where are spermatogenic cells supported during spermatogenesis?

By the Sertoli cells Signup and view all the answers

What is the site of attachment for spermatogenic cells during spermatogenesis?

On the basal lamina Signup and view all the answers

Which of the following is NOT a spermatogenic cell?

Sertoli cells Signup and view all the answers

Where do mature sperms ultimately reside?

In the epididymis Signup and view all the answers

What type of cells are Sertoli cells?

Nursing cells Signup and view all the answers

How many layers of myoid cells make up the peritubular tissue?

3-5 layers Signup and view all the answers

What structure lies internal to the peritubular tissue?

Basal lamina Signup and view all the answers

What is the location of the peritubular tissue relative to the basal lamina?

External to the basal lamina Signup and view all the answers

What type of cells are not mentioned as part of the peritubular tissue?

Sertoli cells Signup and view all the answers

Study Notes

Sertoli Cells

Also known as Supporting or Nursing cells
Shape: Tall irregular cells
Location: Extend among the spermatogenic cells from the basal lamina to the lumen

Peritubular Tissue

Consists of 3-5 layers of myoid cells
External to the basal lamina

Cytoskeleton

Composed of microfilaments and microtubules

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Description

Test your knowledge of the structure of seminiferous tubules, including the different types of cells and tissue layers. Learn about the roles of Sertoli cells, basal lamina, and peritubular tissue. Identify the components that make up these vital structures in the male reproductive system.