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Related Concept Videos

Spermatogenesis01:41

Spermatogenesis

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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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Spermatogenesis is a complex process that involves the development of sperm cells from undifferentiated stem cells in the seminiferous tubules of the testes. The process is essential for the production of mature and functional sperm cells that are capable of fertilizing an egg.
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Increased Body Temperature01:25

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A body temperature above  38°C  (100.4 °F) is known as fever or pyrexia, and a person with fever is termed 'febrile.' Typically, the hypothalamus, a part of the brain that acts as the body's thermostat, regulates body temperature through a thermoregulatory setpoint. It receives signals from cold and warm thermal receptors throughout the body and adjusts the body's temperature accordingly. Fever occurs when this hypothalamic setpoint is altered, usually in...
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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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Sperm Transport01:15

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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.
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Factors Affecting Body Temperature01:28

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As a nurse, it is vital to understand the factors affecting body temperature to monitor variations and effectively evaluate deviations from regular.
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Related Experiment Video

Updated: Dec 25, 2025

Fish Sperm Assessment Using Software and Cooling Devices
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[Impact of high temperature on sperm function: An update].

Li-Fan Zhang1,2, Fang Ma3,4,5, Ji-Feng Liu5,6

  • 1Department of Obstetrics and Gynecology, West China Second Hospital, Sichuan University, Chengdu, Sichuan 610041, China.

Zhonghua Nan Ke Xue = National Journal of Andrology
|April 2, 2020
PubMed
Summary

High temperatures negatively impact sperm production and function, affecting genetic material, morphology, and motility. Understanding these effects is crucial for male infertility treatments and improving sperm preservation.

Keywords:
male infertilityspermatozoahigh temperature

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Area of Science:

  • Reproductive Biology
  • Environmental Health

Background:

  • Spermatogenesis and sperm maturation require temperatures slightly below normal body temperature.
  • High ambient temperature is a significant external factor impacting male reproductive function.

Purpose of the Study:

  • To review current research on the effects of high temperature on spermatogenesis, sperm maturation, and sperm function across various species.
  • To highlight the significance of understanding these mechanisms for male infertility and in vitro sperm preservation.

Main Methods:

  • Literature review of studies investigating the impact of elevated temperatures on sperm parameters.
  • Synthesis of findings on genetic material, morphology, survival rate, motility, and fertility.

Main Results:

  • High temperatures generally exert negative effects on sperm parameters, including DNA integrity, morphology, viability, and motility.
  • Observed effects are consistent across various species, suggesting conserved mechanisms in spermatogenesis and maturation.
  • The precise action mechanisms for most observed effects remain largely unknown.

Conclusions:

  • Elevated temperatures pose a significant threat to male reproductive health and sperm quality.
  • Further research into the underlying mechanisms is essential for developing effective therapeutic strategies and improving assisted reproductive technologies.