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Related Concept Videos

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Spermatogenesis is the process by which haploid sperm cells are produced in the male testes. It starts with stem cells located close to the outer rim of seminiferous tubules. These spermatogonial stem cells divide asymmetrically to give rise to additional stem cells (meaning that these structures “self-renew”), as well as sperm progenitors, called spermatocytes. Importantly, this method of asymmetric mitotic division maintains a population of spermatogonial stem cells in the male...
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Spermatogenesis is a complex process that involves the development of sperm cells from undifferentiated stem cells in the seminiferous tubules of the testes. The process is essential for the production of mature and functional sperm cells that are capable of fertilizing an egg.
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A tough, fibrous membrane, the tunica albuginea, covers the testes, extending inward to form fibrous partitions or septa, dividing them into internal compartments called lobules. Each lobule has 1 to 3 tightly coiled seminiferous tubules where sperm production occurs. These tubules merge into a tubular network at the back of the testis, known as the rete testis. It connects to 15 to 20 efferent ductules, leading to the epididymis.
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The intricate hormonal interplay essential for male reproductive health begins with the release of gonadotropin-releasing hormone (GnRH) by the hypothalamus. This hormone prompts the pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). LH targets the Leydig cells in the testes, stimulating them to produce and release testosterone. In concert with testosterone, FSH acts on the Sertoli cells within the seminiferous tubules to facilitate the release of...
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Cell size is a significant factor impacting cellular design, function, and fitness. There exists some internal coordination by which cells double their masses before division, thus, achieving homeostasis. Coordination between cell growth and proliferation depends on the checkpoints in between cell cycle phases. Loss of coordination or failure in the checkpoint mechanism can drive the cell to uncontrolled growth and loss of cellular function. Like dividing cells that coordinate cellular growth,...
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The journey of sperm from its origin to the point of ejaculation begins within the seminiferous tubules of the testis. Here, Sertoli cells produce fluid that propels non-motile sperm through a series of conduits, starting with the straight tubules leading to the rete testis. This interconnected network of tubules acts as the initial pathway for sperm, guiding them into the efferent ductules and then into the epididymis for maturation.
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Related Experiment Video

Updated: Jan 3, 2026

Isolation of Sertoli Cells and Peritubular Cells from Rat Testes
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[The multitasking Sertoli cell].

G Mikuz1

  • 1Institut für Pathologie, Universität Innsbruck, Müllerstraße 44, 6020, Innsbruck, Österreich. Gregor.Mikuz@i-med.ac.at.

Der Pathologe
|November 23, 2019
PubMed
Summary
This summary is machine-generated.

Sertoli cells are crucial for male reproductive development and sperm production, forming the blood-testis barrier and producing vital hormones and proteins. These cells also clear cellular debris and fight bacteria, with tumors showing diverse cellular variants.

Keywords:
AktivinsBlood-testis barrierFollistatinInhibinsPhagocytosis

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Area of Science:

  • Reproductive Biology
  • Cell Biology
  • Endocrinology

Background:

  • Sertoli cells are essential for male reproductive organ development and adult spermatogenesis.
  • They establish the blood-testis barrier, segregating testicular compartments.
  • Sertoli cells produce over 60 proteins, including critical hormones and growth factors.

Purpose of the Study:

  • To elucidate the multifaceted roles of Sertoli cells in male reproductive physiology.
  • To describe the protein production and functional significance of Sertoli cells.
  • To outline the phagocytic capabilities and tumor diversity of Sertoli cells.

Main Methods:

  • Literature review and synthesis of existing research on Sertoli cell function.
  • Analysis of protein expression and hormonal functions.
  • Examination of phagocytosis and cellular interactions.
  • Review of pathological characteristics of Sertoli cell tumors.

Main Results:

  • Sertoli cells produce anti-Müllerian hormone, inhibin, activin, androgen-binding protein, and ferritin.
  • They maintain spermatogenesis by regulating the microenvironment and hormone levels.
  • Sertoli cells exhibit phagocytic activity against apoptotic germ cells and bacteria.
  • Sertoli cell tumors present a wide range of histological appearances.

Conclusions:

  • Sertoli cells are indispensable for male fertility, regulating both development and ongoing sperm production.
  • Their diverse protein repertoire and phagocytic functions highlight their central role in testicular homeostasis.
  • Understanding Sertoli cell biology is crucial for diagnosing and treating related pathologies, including tumors.