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相关概念视频

Testes: Histology01:27

Testes: Histology

618
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...
618
Testes: Gross Anatomy01:19

Testes: Gross Anatomy

1.5K
The testes, also known as testicles, are the male gonads. They are housed within the scrotum, a sac-like structure located beneath the penis. The scrotum's primary role is to regulate the temperature of the testes, which is crucial for sperm production.
Each testis is surrounded by the tunica albuginea, a dense connective tissue layer that provides structural support and protection. This layer is covered by an outer serous membrane called the tunica vaginalis, which helps reduce friction...
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相关实验视频

Updated: May 23, 2025

An In Vivo Method to Study Mouse Blood-Testis Barrier Integrity
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评估丸功能在家猫的方法.

Stepanka Homola1, Sait Sendag1,2, Davut Koca2

  • 1Veterinary Clinic for Reproductive Medicine and Neonatology, Justus-Liebig-University, Giessen, Germany.

Reproduction in domestic animals = Zuchthygiene
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概括

这项研究详细介绍了猫丸的声形和体积,发现超声波测量与丸水平和丸大小相关. 组织学证实了所有猫的精子生成,为安德罗学检查提供了关键数据.

关键词:
猫科动物 猫科动物组织学 组织学音声形态学 音声形态学丸 丸 丸 的意思丸体积的丸体积是什么

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相关实验视频

Last Updated: May 23, 2025

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科学领域:

  • 兽医医学 兽医医学 兽医医学
  • 生殖生物学 生殖生物学
  • 诊断成像 诊断成像 诊断成像

背景情况:

  • 精确评估丸大小和体积对于雄性猫的雄性评估至关重要.
  • 测量猫丸的现有方法可能在精度和可比性方面存在局限性.
  • 了解丸声形学有助于解释诊断成像发现.

研究的目的:

  • 为了描述猫丸的生理声形学.
  • 为了比较两个方法 (超声波和波达尼丸计) 来计算丸体积.
  • 为了将丸体积和声形学与组织学发现和丸激素水平相关联.

主要方法:

  • 对39只雄性猫进行了临床检查,超声波和波达尼丸计测量.
  • 丸组织进行了组织学分析,以确认精子生成.
  • 测量血清丸激素度,并与丸参数相关联.

主要成果:

  • 猫的丸在超声波上表现出一种特有的均的膜,具有回声基质的中间体.
  • 组织学检查证实了所有猫的活跃精子生成.
  • 在丸体积 (通过超声波和Podany丸计测量) 和血清丸激素水平之间发现了显著的正相关性.
  • 超声波测量结果显示,与波达尼丸计相比,丸体积显著增加.

结论:

  • 超声波为评估猫丸大小和体积提供可靠的数据,与丸水平呈正相关.
  • 这项研究确定了猫丸的参考声形学值,这对于安德罗学检查很有价值.
  • 超声波是比Podany丸计更优越的方法来确定猫的丸体积.