Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Spermatogenesis

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...

Sperm Transport

Sperm Transport

The journey of sperm from its origin to the point of ejaculation begins within the seminiferous tubules of the testis. Here, Sertoli cells produce fluid that propels non-motile sperm through a series of conduits, starting with the straight tubules leading to the rete testis. This interconnected network of tubules acts as the initial pathway for sperm, guiding them into the efferent ductules and then into the epididymis for maturation.
The maturation phase occurs in the epididymis, where sperm...

Sperm Structure and Semen Composition

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...

Infertility in Males

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...

Infertility in Females

Infertility in Females

Female infertility is defined as the inability to conceive after a year of regular, unprotected intercourse and affects about 10–15% of couples worldwide. The primary cause of female infertility is ovulatory disorders, which hinder the release of eggs. These disorders can be classified as hypothalamic amenorrhea, polycystic ovarian syndrome (PCOS), premature ovarian failure, and hyperprolactinemic anovulation disorders.
Endometriosis, a condition characterized by abnormal growth of endometrial...

Amebiasis

Amebiasis

Entamoeba histolytica, a protozoan parasite, is responsible for intestinal and extraintestinal amebiasis. Though a significant proportion of infections remain asymptomatic, approximately 50 million individuals annually are estimated to present with clinical disease, resulting in up to 100,000 deaths globally. The disease burden is disproportionately high in regions with lower socioeconomic status, such as parts of India, Africa, Mexico, and Latin America.Etiology and TransmissionThe infective...

You might also read

Related Articles

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

Sort by

Same author

Retraction Note: High nuclear expression of HIF1α, synergizing with inactivation of LIMD1 and VHL, portray worst prognosis among the bladder cancer patients: association with arsenic prevalence.

Journal of cancer research and clinical oncology·2026

Same author

Patient tolerance during rigid cystoscopy: An observational study comparing lignocaine hydrochloride gel and tramadol with lignocaine.

Urologia·2025

Same author

Exploring the potential of <i>BOLA3-DT</i> as a diagnostic biomarker in prostate cancer.

Urologia·2025

Same author

Virilizing adrenocortical carcinoma in a female child of Li-Fraumeni syndrome.

Indian journal of pathology & microbiology·2024

Same author

Retraction Note: Differential operation of MLH1/MSH2 and FANCD2 crosstalk in chemotolerant bladder carcinoma: a clinical and therapeutic intervening study.

Molecular and cellular biochemistry·2024

Same author

Supine versus prone percutaneous nephrolithotomy in management of patient with complex renal stone diseases.

Urologia·2024

Search research articles

Related Experiment Video

Updated: Jun 29, 2026

Vessel-Sparing Microsurgical Longitudinal Intussusception Vasoepididymostomy to Treat Epididymal Obstructive Azoospermia

Vessel-Sparing Microsurgical Longitudinal Intussusception Vasoepididymostomy to Treat Epididymal Obstructive Azoospermia

Published on: May 27, 2022

Haemospermia: an Indian experience.

Dilip Kumar Pal¹

¹Department of Urology, Bankura Sammilani Medical College, Bankura, West Bengal 722102, India. drdkpal@hotmail.com

Tropical Doctor

|February 18, 2006

Summary

This summary is machine-generated.

Infection is the most common cause of haemospermia (blood in semen). Genitourinary tuberculosis (TB) is a notable factor in India, with no cause found in 28% of cases.

More Related Videos

Flow Cytometric Analysis of Biomarkers for Detecting Human Sperm Functional Defects

Flow Cytometric Analysis of Biomarkers for Detecting Human Sperm Functional Defects

Published on: April 21, 2022

Mouse Round Spermatid Injection

Mouse Round Spermatid Injection

Published on: January 26, 2024

Related Experiment Videos

Last Updated: Jun 29, 2026

Vessel-Sparing Microsurgical Longitudinal Intussusception Vasoepididymostomy to Treat Epididymal Obstructive Azoospermia

Vessel-Sparing Microsurgical Longitudinal Intussusception Vasoepididymostomy to Treat Epididymal Obstructive Azoospermia

Published on: May 27, 2022

Flow Cytometric Analysis of Biomarkers for Detecting Human Sperm Functional Defects

Flow Cytometric Analysis of Biomarkers for Detecting Human Sperm Functional Defects

Published on: April 21, 2022

Mouse Round Spermatid Injection

Mouse Round Spermatid Injection

Published on: January 26, 2024

Area of Science:

Urology
Infectious Diseases

Background:

Haemospermia, or blood in semen, can be caused by various factors.
Identifying the underlying cause is crucial for appropriate management.

Purpose of the Study:

To investigate the etiological factors of haemospermia in a specific patient cohort.
To determine the prevalence of genitourinary tuberculosis as a cause of haemospermia in the Indian context.

Main Methods:

Retrospective analysis of 35 haemospermia cases over 7 years.
Screening for genitourinary tuberculosis (TB) in all cases.

Main Results:

Infection was the most frequent cause, identified in 40% of cases.
No definitive cause was found in 28% of the patients.
Genitourinary TB was identified as a significant factor in 14% of cases.

Conclusions:

Infections are the primary identified cause of haemospermia.
A considerable proportion of haemospermia cases remain idiopathic.
Genitourinary TB is a relevant etiological consideration for haemospermia in India.