Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Sperm Transport01:15

Sperm Transport

3.0K
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.
The maturation phase occurs in the epididymis, where sperm...
3.0K
Sperm Structure and Semen Composition01:22

Sperm Structure and Semen Composition

10.0K
During ejaculation, males release around 2-5 milliliters of semen, which is a complex mixture of mature sperm and various fluids produced by accessory glands. The mature sperm cells measure approximately 60 micrometers in length and consist of a head, neck, midpiece, and tail. The head is flattened and tapered, measuring about 4 to 5 micrometers in length. It contains a nucleus with condensed chromosomes and an acrosome, a cap-like structure filled with enzymes essential for penetrating the...
10.0K

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Assessing Patient Awareness and Misconceptions Regarding MRI Radiation Risks in China: A Questionnaire Study.

Nursing open·2026
Same author

Chromosome-scale genome assembly, carbohydrate metabolism transcriptome atlas, and candidate genes for polysaccharide accumulation in <i>Asparagus cochinchinensis</i>.

Frontiers in plant science·2026
Same author

Mechanical Performance and Uniaxial Compressive Behavior of Nano-TiO<sub>2</sub>-Modified Coral Concrete.

Nanomaterials (Basel, Switzerland)·2026
Same author

StLecRK. IX and StLRPK1 form a complex with StBAK1 to positively regulate potato late blight resistance.

Plant science : an international journal of experimental plant biology·2026
Same author

Clinical efficacy and safety of acupotomy for acute ischemic stroke: A retrospective study.

Medicine·2026
Same author

Optimising Haematopoietic Stem Cell Transplantation: Enhancing Myeloablation Sensitivity and Alleviating Anaemia Using Roxadustat (FG-4592).

Cell proliferation·2026

相关实验视频

Updated: Jan 10, 2026

Measuring Sperm Guidance and Motility within the Caenorhabditis elegans Hermaphrodite Reproductive Tract
10:07

Measuring Sperm Guidance and Motility within the Caenorhabditis elegans Hermaphrodite Reproductive Tract

Published on: June 6, 2019

12.9K

基于增强的YOLOv4和改进的DeepSORT的多对象精子检测和跟踪.

Jihong Pei1, Zhenting Yang1, Yang Zhao2

  • 1College of Electronics and Information Engineering, Shenzhen University, ShenZhen, 518060, China.

Scientific reports
|November 27, 2025
PubMed
概括

这项研究引入了计算机辅助精液分析的先进框架,改善了微观图像中的精子检测和跟踪. 改进的系统有效地处理小和模糊的精子目标,推进不孕症诊断.

更多相关视频

Fish Sperm Assessment Using Software and Cooling Devices
07:57

Fish Sperm Assessment Using Software and Cooling Devices

Published on: July 28, 2018

9.2K
U-Shaped Horizontal Swimming Technique for Preparing High-Quality Sperm with Low DNA Fragmentation Index
09:16

U-Shaped Horizontal Swimming Technique for Preparing High-Quality Sperm with Low DNA Fragmentation Index

Published on: March 28, 2025

606

相关实验视频

Last Updated: Jan 10, 2026

Measuring Sperm Guidance and Motility within the Caenorhabditis elegans Hermaphrodite Reproductive Tract
10:07

Measuring Sperm Guidance and Motility within the Caenorhabditis elegans Hermaphrodite Reproductive Tract

Published on: June 6, 2019

12.9K
Fish Sperm Assessment Using Software and Cooling Devices
07:57

Fish Sperm Assessment Using Software and Cooling Devices

Published on: July 28, 2018

9.2K
U-Shaped Horizontal Swimming Technique for Preparing High-Quality Sperm with Low DNA Fragmentation Index
09:16

U-Shaped Horizontal Swimming Technique for Preparing High-Quality Sperm with Low DNA Fragmentation Index

Published on: March 28, 2025

606

科学领域:

  • 生物医学工程 生物医学工程
  • 计算机视觉 计算机视觉
  • 生殖医学 生殖医学

背景情况:

  • 辅助生殖技术对于不孕症治疗至关重要.
  • 当前的计算机辅助精液分析与小而模糊的精子图像作斗争.
  • 准确的精子分析对于有效的不孕症解决方案至关重要.

研究的目的:

  • 开发一个先进的多对象精子检测和跟踪框架.
  • 克服当前计算机辅助精液分析系统的局限性.
  • 为了提高精子分析用于不孕症诊断的准确性.

主要方法:

  • 集成了一个增强的YOLOv4架构与一个优化的DeepSORT算法.
  • 实施一种新的图像切片策略,以防止小目标损失.
  • 利用ResNet50进行了改进的特征提取和专门的精子图像增强策略.

主要成果:

  • 在精子检测和跟踪指标方面的卓越性能.
  • 强大的检测和跟踪多个小精子目标.
  • 在准确性和效率方面超越现有的最先进的方法.

结论:

  • 拟议的框架大大改善了计算机辅助精液分析.
  • 该系统为检测和跟踪精子,特别是小目标提供了更高的准确性.
  • 这一进步有望为更有效的不孕症诊断和治疗提供希望.