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相关概念视频

Disorders of the Male Reproductive System01:20

Disorders of the Male Reproductive System

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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.
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra....
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Testosterone: Functions and Regulation01:26

Testosterone: Functions and Regulation

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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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Signs of Puberty01:27

Signs of Puberty

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Puberty is a critical phase, typically beginning between the ages of 8 and 13 in girls and 9 and 14 in boys, though timing can vary based on genetics, environmental factors, and overall health. This period is characterized by the development of secondary sexual characteristics and the attainment of reproductive potential. Endocrine changes underpin puberty, with hormonal surges of Luteinizing Hormone (LH) and Follicle-Stimulating Hormone (FSH) instigated by Gonadotropin-Releasing Hormone (GnRH)...
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Spermatogenesis01:41

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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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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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Testes: Histology01:27

Testes: Histology

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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.
The spermatogenic cells, responsible for producing sperm, are...
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Updated: Jun 27, 2025

Murine Prostate Micro-dissection and Surgical Castration
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提升的前列腺周边雄激素,偷偷的丸激素及其影响.

Masoud Bitaraf1, Ranjith Ramasamy1, Sanoj Punnen1,2

  • 1Desai Sethi Urology Institute, University of Miami Miller School of Medicine, Miami, FL, USA.

Nature reviews. Urology
|May 7, 2024
PubMed
概括
此摘要是机器生成的。

患有前列腺癌的男性可能会出现高的前列腺周围雌激素,称为偷偷的T现象,与较差的结果有关. 静脉瘤可能有助于这种现象,这表明静脉瘤修复的潜在作用.

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相关实验视频

Last Updated: Jun 27, 2025

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Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing
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科学领域:

  • 泌尿器科 泌尿器科 泌尿器科 泌尿器科
  • 安德罗学与人类学
  • 在瘤学瘤学.

背景情况:

  • 一部分前列腺癌患者表现出与外围水平相比,前列腺周围雌激素水平升高,称为偷偷的T现象.
  • 这种现象与急性前列腺切除术后的不良临床结果有关.
  • 假设前列腺周围的雄激素升高源于丸来源,并通过静脉分流到达前列腺.

研究的目的:

  • 探索瘤生理学与前列腺癌中偷偷的T现象之间的潜在机械联系.
  • 通过偷偷的T. 调查静脉是否可能是前列腺癌病理生理学的贡献因素.
  • 为了确定偷偷的T现象是否可以为前列腺癌的治疗决策提供信息.

主要方法:

  • 在前列腺癌患者中,观察性研究比较了前列腺周围的素与周围水平.
  • 分析静脉的生理学及其与盆腔静脉系统压力的关联.
  • 从丸到前列腺组织的雄激素运输的理论建模.

主要成果:

  • 潜伏的T现象,其特点是前列腺周围质激素升高,在前列腺癌患者的一个子集中观察到.
  • 静脉的生理学呈现了盆腔静脉系统中水静压的增加,为的T.提供了潜在的机制.
  • 这一发现表明, varicocele 的理论途径通过的 T. 影响前列腺癌.

结论:

  • 静脉可能在前列腺癌的发展或通过的T现象的进展中发挥作用.
  • 证实这种联系可以确定瘤修复作为额外的治疗考虑.
  • 了解的T可能有助于区分疾病轨迹,并指导前列腺疾病的治疗策略.