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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...
Testosterone: Functions and Regulation01:26

Testosterone: Functions and Regulation

The intricate hormonal interplay essential for male reproductive health begins with the release of gonadotropin-releasing hormone (GnRH) by the hypothalamus. This hormone prompts the pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). LH targets the Leydig cells in the testes, stimulating them to produce and release testosterone. In concert with testosterone, FSH acts on the Sertoli cells within the seminiferous tubules to facilitate the release of...
Testes: Histology01:27

Testes: Histology

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...
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...
Disorders of the Male Reproductive System01:20

Disorders of the Male Reproductive System

Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra. Symptoms...
Testes: Gross Anatomy01:19

Testes: Gross Anatomy

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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Related Experiment Video

Updated: Jun 3, 2026

Isolation of Sertoli Cells and Peritubular Cells from Rat Testes
11:11

Isolation of Sertoli Cells and Peritubular Cells from Rat Testes

Published on: February 8, 2016

Environmental factors and testicular function.

Aleksander Giwercman1, Yvonne Lundberg Giwercman

  • 1Reproductive Medicine Centre, Skåne University Hospital Malmö, Lund University, SE 205 02 Malmö, Sweden. aleksander.giwercman@med.lu.se

Best Practice & Research. Clinical Endocrinology & Metabolism
|March 15, 2011
PubMed
Summary
This summary is machine-generated.

Rising male reproductive health issues like poor semen quality and testicular cancer are concerning. Limiting exposure to hormonally active chemicals during early development is prudent, though more research is needed.

Related Experiment Videos

Last Updated: Jun 3, 2026

Isolation of Sertoli Cells and Peritubular Cells from Rat Testes
11:11

Isolation of Sertoli Cells and Peritubular Cells from Rat Testes

Published on: February 8, 2016

Area of Science:

  • Reproductive toxicology
  • Environmental health

Background:

  • Increasing incidence of male reproductive system diseases, including poor semen quality, testicular cancer, cryptorchidism, and hypospadias.
  • Growing concern regarding the role of environmental chemicals and lifestyle factors.
  • Early fetal development is a critical window for endocrine system establishment and organogenesis.

Purpose of the Study:

  • To address the rising incidence of male reproductive health issues.
  • To investigate the potential role of environmental and lifestyle factors.
  • To provide guidance on managing potential risks to male reproductive capacity.

Main Methods:

  • Review of current scientific literature and observational data.
  • Analysis of trends in male reproductive health outcomes.
  • Assessment of potential environmental and lifestyle influences.

Main Results:

  • Significant increase in male reproductive diseases over recent decades.
  • Environmental chemicals and lifestyle factors are implicated.
  • Early fetal life is a sensitive period for reproductive development.

Conclusions:

  • While definitive evidence-based measures are lacking, limiting exposure to hormonally active chemicals is advisable.
  • Further research is necessary to establish prophylactic and therapeutic strategies.
  • Protecting male reproductive health requires addressing environmental and lifestyle factors.