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Related Concept Videos

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...
Accessory Ducts of the Male Reproductive System01:25

Accessory Ducts of the Male Reproductive System

The male reproductive system is a complex network of organs and tissues that work together to produce and transport sperm. The epididymis, vasa deferens, ejaculatory ducts, and urethra are the accessory ducts involved in sperm maturation and transportation. These ducts play a critical role in the production and transportation of sperm from the testes to the urethra, where it is then released during ejaculation.
The epididymis is a small, comma-shaped organ located at the back of each testicle.
Accessory Glands of the Male Reproductive System01:16

Accessory Glands of the Male Reproductive System

The accessory ducts involved in sperm maturation and transportation include the epididymides, vasa deferentia, ejaculatory ducts, and urethra. These ducts play a critical role in the maturation, storage, and transportation of sperm from the testes to the urethra, where it is then released during ejaculation.
The epididymis is a small, comma-shaped organ located at the back of each testicle. The epididymis can be divided into three main parts: the head, body, and tail. The head of the epididymis...
Oogenesis02:07

Oogenesis

In human women, oogenesis produces one mature egg cell or ovum for every precursor cell that enters meiosis. This process differs in two unique ways from the equivalent procedure of spermatogenesis in males. First, meiotic divisions during oogenesis are asymmetric, meaning that a large oocyte (containing most of the cytoplasm) and minor polar body are produced as a result of meiosis I, and again following meiosis II. Since only oocytes will go on to form embryos if fertilized, this unequal...
Oogenesis01:22

Oogenesis

Oogenesis,  the process of developing egg cells (female gametes), occurs within the ovaries and is fundamental to female fertility. This sequence begins during fetal development when diploid oogonia in the developing ovaries undergo mitotic divisions to produce primary oocytes. By birth, these primary oocytes enter prophase I of meiosis but become arrested in this stage, remaining suspended until puberty.
Each primary oocyte is surrounded by a layer of pre-granulosa cells, forming what is known...

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Human Ovarian Surface Epithelium Organoids as a Platform to Study Tissue Regeneration
07:37

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Published on: August 16, 2024

Andrology.

Hans-Jürgen Glander1, Gerhard Haidl, Frank-Michael Köhn

  • 1Clinic for Dermatology, Venerology and Allergology, University Clinic Leipzig, Germany. glah@medizin.uni-leipzig.de

Journal Der Deutschen Dermatologischen Gesellschaft = Journal of the German Society of Dermatology : JDDG
|October 4, 2007
PubMed
Summary

Andrology, a dermatology subspecialty in Germany, trains dermatologists to diagnose and treat male reproductive health issues, including infertility and erectile dysfunction. Dermatologists must be skilled in ejaculate analysis for comprehensive male reproductive care.

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Area of Science:

  • Andrology
  • Dermatology
  • Male Reproductive Health

Background:

  • Andrology originated as a dermatology subspecialty in Germany.
  • Training in andrology is integrated into dermatology residency programs.
  • Dermatologists are mandated to diagnose and treat andrologic disorders.

Purpose of the Study:

  • To outline the scope and training requirements of andrology within dermatology.
  • To emphasize the importance of andrology in male reproductive health.
  • To highlight the essential role of dermatologists in andrologic care.

Main Methods:

  • Review of the dermatological curriculum in Germany.
  • Analysis of the diagnostic and treatment responsibilities for andrologic conditions.
  • Identification of key diagnostic tools, such as ejaculate analysis.

Main Results:

  • Andrology encompasses male infertility, hypogonadism, erectile dysfunction, and male aging.
  • Dermatologists require practical experience in diagnosing and treating these conditions.
  • Proficiency in ejaculate analysis is a mandatory skill for dermatologists.

Conclusions:

  • Andrology is an integral part of dermatological practice in Germany.
  • Comprehensive training in andrology ensures dermatologists can manage male reproductive health issues.
  • Ejaculate analysis is a critical diagnostic skill for all dermatologists practicing andrology.