Male Genitalia and Rectum Introduction

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16 Questions

What is the role of the penis?

Both for reproduction and urination

Where is the urethral meatus located?

At the base of the glans

What is the function of the foreskin or prepuce?

To cover the glans for uncircumcised men

Where is the scrotum located?

Behind the pubic bone

What is the function of the cremaster muscle?

Helps to maintain temperature control in the scrotum

Which structure produces spermatozoa and testosterone?


What is the function of the tunica vaginalis?

Covers and protects the testes

What is the purpose of the spermatic cord?

Transports spermatozoa away from the testis

Where does the vas deferens travel within the male reproductive system?

Through the inguinal canal into the abdominal cavity

Which structure empties into the urethra within the prostate gland?

Ejaculatory duct

Where is the inguinal area located in the male reproductive system?

Between the anterior superior iliac spine laterally and the symphysis pubis medially

What runs diagonally between the anterior superior iliac spine and symphysis pubis?

Inguinal canal

What is contained in the spermatic cord?

Blood vessels, lymphatic vessels, nerves, and vas deferens

Which structure is suspended in the scrotum by a spermatic cord?


What is within the epididymis that allows spermatozoa to mature?

Coiled, tubular structure

What structures mix with sperm to form semen?

Prostate gland and Cowper’s glands

Study Notes

Male Reproductive System

  • The penis plays a crucial role in urination and sexual reproduction.

Urethral Meatus

  • The urethral meatus is located at the tip of the penis.


  • The foreskin or prepuce is a fold of skin that covers the glans penis and helps to protect it.


  • The scrotum is a sac of skin and muscle that contains the testes, located below the penis.

Cremaster Muscle

  • The cremaster muscle is responsible for moving the testes upwards towards the body for warmth and downwards away from the body for cooling.


  • The testes produce spermatozoa and testosterone, essential for male reproduction.

Tunica Vaginalis

  • The tunica vaginalis is a serous membrane that surrounds the testes, providing protection and reducing friction.

Spermatic Cord

  • The spermatic cord is a bundle of structures that includes the vas deferens, arteries, and veins, and it provides a pathway for the vas deferens to travel through.

Vas Deferens

  • The vas deferens travels through the spermatic cord and into the prostate gland, where it empties into the urethra.

Prostate Gland

  • The ejaculatory duct, which is formed by the union of the vas deferens and the seminal vesicle, empties into the urethra within the prostate gland.

Inguinal Area

  • The inguinal area is located in the lower abdomen, where the spermatic cord passes through the inguinal canal.

Inguinal Canal

  • The inguinal canal is a passageway that runs diagonally between the anterior superior iliac spine and symphysis pubis.

Spermatic Cord Contents

  • The spermatic cord contains the vas deferens, arteries, veins, and nerves.

Testes Suspension

  • The testes are suspended in the scrotum by the spermatic cord.


  • The epididymis is a tube-like structure that stores and matures spermatozoa, allowing them to develop mobility and fertility.

Semen Formation

  • The seminal vesicle, prostate gland, and urethra mix with sperm to form semen.

Learn about the external male genitalia, including the penis and scrotum, their structure, and functions in reproduction and urination.

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