Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Sperm Structure and Semen Composition01:22

Sperm Structure and Semen Composition

During ejaculation, males release around 2-5 milliliters of semen, which is a complex mixture of mature sperm and various fluids produced by accessory glands. The mature sperm cells measure approximately 60 micrometers in length and consist of a head, neck, midpiece, and tail. The head is flattened and tapered, measuring about 4 to 5 micrometers in length. It contains a nucleus with condensed chromosomes and an acrosome, a cap-like structure filled with enzymes essential for penetrating the...
Urine Studies I: Urinalysis01:29

Urine Studies I: Urinalysis

Urinalysis is a widely used diagnostic test that analyzes urine's physical, chemical, and microscopic characteristics. Healthcare providers use it to detect and monitor various health conditions, including renal disease, urinary tract infections (UTIs), diabetes, and metabolic or systemic disorders.Components of UrinalysisUrinalysis consists of three primary components: physical, chemical, and microscopic examination. Each provides unique insights into the urine sample and, by extension, the...
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...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

[Studies on light catalysis oxidation degradation of Malachite Green by Photo-Fenton reagent].

Guang pu xue yu guang pu fen xi = Guang pu·2007
Same author

Alternative conformations of the archaeal Nop56/58-fibrillarin complex imply flexibility in box C/D RNPs.

Journal of molecular biology·2007
Same author

Validation of nonnested and real-time PCR for diagnosis of sheep-associated malignant catarrhal fever in clinical samples.

Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·2007
Same author

Room temperature fabrication of porous ZnO photoelectrodes for flexible dye-sensitized solar cells.

Chemical communications (Cambridge, England)·2007
Same author

Influence of medication choice and comorbid diabetes: the cost of bipolar disorder in a privately insured US population.

Social psychiatry and psychiatric epidemiology·2007
Same author

Mechanistic studies of the long chain acyl-CoA synthetase Faa1p from Saccharomyces cerevisiae.

Biochimica et biophysica acta·2007

Related Experiment Video

Updated: May 30, 2026

The Examination of Peroxidase-Positive Leukocytes in Semen
04:36

The Examination of Peroxidase-Positive Leukocytes in Semen

Published on: January 19, 2024

[Semen analysis training and its evaluation].

Wen-Hong Lu1, Yi-Qun Gu, Hong Li

  • 1Department of Male Clinical Research, National Research Institute for Family Planning/WHO Collaborating Center for Research in Human Reproduction, Beijing 100081, China. crescent2002@126.com

Zhonghua Nan Ke Xue = National Journal of Andrology
|August 10, 2011
PubMed
Summary
This summary is machine-generated.

This study demonstrates that standardized training significantly enhances the precision of semen analysis for new laboratory technicians. The developed training and assessment methods are effective for quality control in andrology labs.

More Related Videos

Flow Cytometric Analysis of Biomarkers for Detecting Human Sperm Functional Defects
08:48

Flow Cytometric Analysis of Biomarkers for Detecting Human Sperm Functional Defects

Published on: April 21, 2022

Collection of Post-mating Semen from the Female Reproductive Tract and Measurement of Semen Liquefaction in Mice
12:06

Collection of Post-mating Semen from the Female Reproductive Tract and Measurement of Semen Liquefaction in Mice

Published on: November 18, 2017

Related Experiment Videos

Last Updated: May 30, 2026

The Examination of Peroxidase-Positive Leukocytes in Semen
04:36

The Examination of Peroxidase-Positive Leukocytes in Semen

Published on: January 19, 2024

Flow Cytometric Analysis of Biomarkers for Detecting Human Sperm Functional Defects
08:48

Flow Cytometric Analysis of Biomarkers for Detecting Human Sperm Functional Defects

Published on: April 21, 2022

Collection of Post-mating Semen from the Female Reproductive Tract and Measurement of Semen Liquefaction in Mice
12:06

Collection of Post-mating Semen from the Female Reproductive Tract and Measurement of Semen Liquefaction in Mice

Published on: November 18, 2017

Area of Science:

  • Andrology
  • Laboratory Medicine
  • Reproductive Health

Background:

  • Standardized semen analysis is crucial for male fertility assessment.
  • Inconsistent results can arise from inexperienced laboratory personnel.
  • Effective training protocols are needed to ensure accuracy in andrology laboratories.

Purpose of the Study:

  • To establish and evaluate training methods for green-hand laboratorians in standard semen analysis.
  • To assess the effectiveness of these methods for internal quality control in Chinese andrology laboratories.

Main Methods:

  • Technicians were trained in WHO-recommended standard semen analysis procedures.
  • Trainee performance in sperm concentration and motility analysis was statistically evaluated.
  • Bland-Altman analysis assessed consistency between trainee and trainer results.

Main Results:

  • Post-training coefficients of variation for sperm concentration and motility were low (e.g., 3.38% for low concentration, 6.62% for high motility).
  • Consistency analysis showed minimal deviation between trainees and trainers (e.g., 4.77% out of interval for concentration, 7.15% for motility).
  • No significant differences (P > 0.05) were found in sperm concentration and motility results between trainees and trainers.

Conclusions:

  • Standardized training significantly improves the precision of semen analysis for novice laboratorians.
  • The developed training and assessment methodologies are effective and feasible for andrology laboratories.
  • These methods provide a valuable reference for quality control and technician training.