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Related Concept Videos

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 reproductive...
Spermatogenesis01:22

Spermatogenesis

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.
The process of spermatogenesis can be divided into mitosis, meiosis, and spermiogenesis. During mitosis, the spermatogonia or stem cells divide to produce two identical daughter cells, type A and B spermatogonia. Type-A...
Enhanced Elimination of Poison01:26

Enhanced Elimination of Poison

Poison can be effectively removed from the gastrointestinal (GI) tract through various decontamination procedures.
Antidotes serve a crucial role in counteracting the effects of poison by inhibiting enzymes responsible for producing harmful drug metabolites. In some cases, these toxic metabolites can be neutralized by endogenous cosubstrates, which are maintained at specific concentrations to prevent interaction with cellular macromolecules and subsequent cell death.
Renal excretion is the...
Prevention of Further Absorption of Poison01:14

Prevention of Further Absorption of Poison

In cases of acute poisoning, the primary objective is to prevent further absorption of the toxic substance into the body. Immediate interventions using various decontamination techniques targeting the gastrointestinal (GI) tract can achieve this. Decontamination is crucial to prevent poison from entering the systemic circulation, which involves washing affected areas with water and mild soap and removing contaminated clothing. Once external decontamination is done, attention must be turned to...
Factors Affecting Drug Distribution: Physiological Barriers01:23

Factors Affecting Drug Distribution: Physiological Barriers

Drug distribution in the body is intricately regulated by various physiological barriers that control the passage of substances. These include the capillary endothelial barrier, the blood-brain, blood-cerebrospinal fluid, blood-placental, and blood-testis barriers.
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The...
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...

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Related Experiment Video

Updated: May 10, 2026

Step-specific Sorting of Mouse Spermatids by Flow Cytometry
06:31

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Published on: December 31, 2015

Avoiding toxins including spermatotoxic medications.

Gillian Stearns1, Paul J Turek

  • 1Department of Urology, SUNY Upstate Medical University, Syracuse, New York, USA.

Seminars in Reproductive Medicine
|June 19, 2013
PubMed
Summary
This summary is machine-generated.

Medications and social habits significantly impact male fertility, affecting up to 50% of infertility cases. Understanding these exposures is crucial for effective counseling and potential fertility recovery.

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Area of Science:

  • Reproductive Medicine
  • Toxicology
  • Epidemiology

Background:

  • Infertility affects a significant global population, with male factors contributing to 50% of cases in developed nations.
  • Medical evaluations must consider medications and social habits due to their potential adverse effects on fertility.
  • Toxic exposures can impact fertility, but many effects are reversible with proper counseling.

Purpose of the Study:

  • To review the English literature over the past 35 years.
  • To identify drug, medication, and other exposures linked to altered semen quality and male fertility.
  • To delineate medication and habitual risk factors associated with male infertility.

Main Methods:

  • Comprehensive literature review of English-language studies.
  • Inclusion of both human and animal studies.
  • Analysis focused on exposures affecting semen quality and male fertility.

Main Results:

  • Identified various medications and habitual exposures as risk factors for male infertility.
  • Documented links between specific exposures and diminished semen quality.
  • Highlighted the reversible nature of some toxic exposure effects on fertility.

Conclusions:

  • Medications and social habits are critical factors in male infertility.
  • Awareness of environmental and lifestyle exposures is essential for fertility management.
  • Further research can guide interventions for mitigating exposure-related male infertility.