関連する実験動画

Updated: Feb 17, 2026

Fish Sperm Assessment Using Software and Cooling Devices
07:57

Fish Sperm Assessment Using Software and Cooling Devices

Published on: July 28, 2018

9.3K

太陽光線が精子に与える影響 牛の精子異常と運動能力

Onur Şahin1

  • 1Department of Animal Production and Technologies, Muş Alparslan University, Muş 49250, Turkey.

Journal of animal science and technology
|February 16, 2026
PubMed
まとめ

高い太陽放射線は,雄牛精子の運動性に悪影響を及ぼし,尻尾の曲がりなど異常を増加させます. 温度-湿度指数は精子品質にも影響し,様々な運動性および異常性パラメータの有意な関連性が見つかりました.

キーワード:
異常な精子 (精子) が存在する.雄牛の生育力 雄牛の生育力 雄牛の生育力コア温度 コア温度 コア温度精液の運動性について精液の品質は高いです.太陽光線,太陽の放射は

さらに関連する動画

Evaluation of Intracellular Location of Reactive Oxygen Species in Solea Senegalensis Spermatozoa10:24

Evaluation of Intracellular Location of Reactive Oxygen Species in Solea Senegalensis Spermatozoa

Published on: March 11, 2018

6.7K
Fluorimetric Techniques for the Assessment of Sperm Membranes08:58

Fluorimetric Techniques for the Assessment of Sperm Membranes

Published on: November 28, 2018

14.2K

関連する概念動画

Spermatogenesis01:41

Spermatogenesis

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...
123.8K
Infertility in Males01:23

Infertility in Males

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...
584
Sperm Structure and Semen Composition01:22

Sperm Structure and Semen Composition

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...
11.8K
Sperm Transport01:15

Sperm Transport

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...
3.7K
Testing a Claim about Mean: Known Population SD01:11

Testing a Claim about Mean: Known Population SD

A complete procedure of testing the hypothesis about a population mean is explained here.
Estimating a population mean requires the samples to be distributed normally. The data should be collected from the randomly selected samples having no sampling bias. The sample size needed to be higher than 30, and most importantly, the population standard deviation should be already known.
In most realistic situations, the population standard deviation is often unknown, but in rare circumstances, when it...
3.3K