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Related Concept Videos

Disorders of the Male Reproductive System01:20

Disorders of the Male Reproductive System

617
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....
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Testes: Histology01:27

Testes: Histology

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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...
1.6K
Testes: Gross Anatomy01:19

Testes: Gross Anatomy

3.2K
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...
3.2K
Infertility in Males01:23

Infertility in Males

339
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...
339
Spermatogenesis01:41

Spermatogenesis

103.5K
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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Cancers Originate from Somatic Mutations in a Single Cell02:21

Cancers Originate from Somatic Mutations in a Single Cell

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Cancer arises from mutations in the critical genes that allow healthy cells to escape cell cycle regulation and acquire the ability to proliferate indefinitely. Though originating from a single mutation event in one of the originator cells, cancer progresses when the mutant cell lines continue to gain more and more mutations, and finally, become malignant. For example, chronic myelogenous leukemia (CML) develops initially as a non-lethal increase in white blood cells, which progressively...
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Related Experiment Video

Updated: Sep 19, 2025

Teratoma Generation in the Testis Capsule
05:24

Teratoma Generation in the Testis Capsule

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Testicular cancer.

Julian Chavarriaga1, Lucia Nappi2, Alexandros Papachristofilou3

  • 1Division of Urology, Department of Surgical Oncology, University Health Network and University of Toronto, Toronto, ON, Canada; Division of Urology, The Luis Carlos Sarmiento Angulo Cancer Treatment and Research Center, Bogota DC, Colombia; Division of Urology, Clinica del Country, Bogota DC, Colombia.

Lancet (London, England)
|June 1, 2025
PubMed
Summary
This summary is machine-generated.

Testicular cancer, primarily germ cell tumors, affects young males aged 15-44. This review covers its epidemiology, management, and future directions for clinicians and researchers.

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Area of Science:

  • Oncology
  • Urology

Background:

  • Testicular cancer is the most common solid malignancy in males aged 15-44.
  • Testicular germ cell tumors (GCTs) constitute approximately 95% of all testicular cancers.

Purpose of the Study:

  • To provide a comprehensive review of testicular cancer, focusing on GCTs.
  • To enhance understanding and inform clinicians and researchers on the latest developments.

Main Methods:

  • Review of epidemiology, clinical presentation, and disease management.
  • Exploration of treatment approaches for seminoma and non-seminoma GCTs.
  • Discussion of controversies, clinical dilemmas, follow-up, and salvage options.

Main Results:

  • Testicular cancer epidemiology and clinical presentation detailed.
  • Distinct treatment strategies for seminoma and non-seminoma GCTs outlined.
  • Salvage options for relapsed cases discussed.

Conclusions:

  • This seminar offers a thorough overview of testicular cancer management.
  • It aims to update knowledge on current practices and future research directions.