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Related Concept Videos

Infertility in Males01:23

Infertility in Males

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Male infertility affects millions of couples worldwide, arising from various factors that impact different stages of the reproductive process. An endocrine imbalance resulting from conditions like hypogonadism, Klinefelter syndrome, or pituitary disorders can disrupt hormone levels and reduce sperm production. Testicular defects, such as tumors, cryptorchidism, atrophic testes, abnormal sperm morphology, and low sperm count or motility, may arise due to genetic factors, structural...
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Infertility in Females01:28

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Female infertility is defined as the inability to conceive after a year of regular, unprotected intercourse and affects about 10–15% of couples worldwide. The primary cause of female infertility is ovulatory disorders, which hinder the release of eggs. These disorders can be classified as hypothalamic amenorrhea, polycystic ovarian syndrome (PCOS), premature ovarian failure, and hyperprolactinemic anovulation disorders.
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The Y Chromosome Determines Maleness02:19

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The Y chromosome is a sex chromosome found in several vertebrates and mammals, including humans. In addition to 22 pairs of autosomes, the human males have one X chromosome and one Y chromosome. In these organisms, the presence or absence of the Y chromosome determines the development of male traits.
Evolution
Around 300 million years ago, the two sex chromosomes diverged from two identical autosomal chromosomes. Over time, the Y chromosome has lost most of its genes, shrinking in size....
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Disorders of the Male Reproductive System01:20

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Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
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Accessory Ducts of the Male Reproductive System01:25

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The male reproductive system is a complex network of organs and tissues that work together to produce and transport sperm. The epididymis, vasa deferens, ejaculatory ducts, and urethra are the accessory ducts involved in sperm maturation and transportation. These ducts play a critical role in the production and transportation of sperm from the testes to the urethra, where it is then released during ejaculation.
The epididymis is a small, comma-shaped organ located at the back of each testicle....
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Accessory Glands of the Male Reproductive System01:16

Accessory Glands of the Male Reproductive System

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The accessory ducts involved in sperm maturation and transportation include the epididymides, vasa deferentia, ejaculatory ducts, and urethra. These ducts play a critical role in the maturation, storage, and transportation of sperm from the testes to the urethra, where it is then released during ejaculation.
The epididymis is a small, comma-shaped organ located at the back of each testicle. The epididymis can be divided into three main parts: the head, body, and tail. The head of the epididymis...
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Microtubular Dysfunction and Male Infertility.

Sezgin Gunes1,2, Pallav Sengupta3,2, Ralf Henkel4,2

  • 1Department of Medical Biology, Faculty of Medicine, Ondokuz Mayis University, Samsun, Turkey.

The World Journal of Men'S Health
|October 24, 2018
PubMed
Summary

Microtubules are essential for sperm function and male fertility. This review details their structure, role in sperm development, and links between microtubule dysfunction and male infertility.

Keywords:
AxonemeInfertility, maleKartagener syndromeMicrotubule-associated proteins

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Area of Science:

  • Cell Biology
  • Reproductive Biology
  • Biochemistry

Background:

  • Microtubules are key cytoskeletal components alongside microfilaments.
  • They are vital for organelle transport and cell division during spermatogenesis.
  • Microtubule-based structures like the axoneme and manchette are critical for sperm morphology.

Purpose of the Study:

  • To provide a structural overview of microtubules.
  • To analyze the role of microtubule structures in male reproductive functions.
  • To explore the association between microtubule dysfunctions and male infertility.

Main Methods:

  • Literature review of scientific articles.
  • Analysis of structural and functional roles of microtubules in sperm.
  • Synthesis of current knowledge on microtubule-related male infertility.

Main Results:

  • Microtubules are fundamental for sperm motility and functional capacity.
  • Specific microtubule structures are crucial for sperm head and tail formation.
  • Microtubular dysfunctions are linked to various forms of male infertility.

Conclusions:

  • Microtubules play indispensable roles in sperm formation and function.
  • Understanding microtubule dynamics is crucial for diagnosing and treating male infertility.
  • Further research into microtubule-related mechanisms can advance male infertility studies.