30 Questions
What is the function of the testes in the male reproductive system?
The testes are responsible for making sperm and producing testosterone.
Where are the testes located in the male body?
The testes are found inside the scrotum.
What is the purpose of the urethra in the male reproductive system?
The urethra allows semen and urine to pass outside the body.
What happens to the erectile tissues of the penis during sexual arousal?
The erectile tissues fill with blood, causing the penis to become erect and rigid.
Where is the scrotum located in relation to the penis?
The scrotum is located behind the penis.
What is the role of testosterone in the male body?
Testosterone is a hormone produced by the testes and plays a role in male characteristics.
Where are the testes located in the male reproductive system?
Scrotum
What is the function of the epididymis?
Sperm cells mature, are carried, and stored
Where do sperm pass during sexual arousal?
Vas deferens to the urethra
What is another name for vas deferens?
Ductus deferens or sperm duct
Where are the seminal vesicles located in relation to the bladder?
Below
What is the function of the prostate gland in the male reproductive system?
Produces fluid that forms part of semen
What hormones are the principal regulators of the male reproductive system?
Follicle Stimulating Hormone (FSH) and Luteinizing Hormone (LH)
Which part of the male reproductive system does FSH act on?
Sertoli cells of the testes
What is the primary male sex hormone?
Testosterone
When do males enter puberty?
Between the ages of 9 and 14
What is the role of GnRH in the male reproductive system?
It initiates the release of FSH and LH
What is the function of LH in the male reproductive system?
Stimulates testosterone release
What is the function of Leydig cells in the male reproductive system?
Leydig cells produce testosterone.
What are the male secondary sex characteristics influenced by the hormone discussed in the text?
Angular facial structure, facial and body hair growth, deepening of the voice, increased bone mass, fat distribution, muscle size and strength
How many seminiferous tubules approximately exist within each testicle?
About 800 seminiferous tubules exist within each testicle.
What is the name of the hormone produced by Sertoli cells that inhibits the release of GnRH and FSH?
Inhibin
When is inhibin released into the blood?
When sperm count is too high
What is the function of the vas deferens in the male reproductive system?
The vas deferens carries sperm out of the scrotal sac.
What is the role of the spermatic cord in the male reproductive system?
The spermatic cord contains nerves, blood vessels, lymph vessels, and the vas deferens.
What are the parts that make up the connective tissue framework of the testis?
Tunica albuginea and interlobular septa
What does the tunica vaginalis secrete into its cavity?
The tunica vaginalis secretes a lubricant into its cavity.
What is the main function of the seminiferous tubules in the testis?
Responsible for sperm production
What condition results when the space within the tunica vaginalis fills with fluid?
A hydrocele forms when the space within the tunica vaginalis fills with fluid.
What does testis atrophy generally suggest?
Low sperm count
Explore the differences between a uncircumcised and circumcised penis, the parts of the testicles, and the roles of hormones in the male reproductive system. Learn about the seminal vesicle, prostate, and the process of sperm production. Did you know that a single ejaculation may contain around 400 million sperm cells?
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