Podcast
Questions and Answers
Which of the following male and female reproductive organs are considered parallel?
Which of the following male and female reproductive organs are considered parallel?
- Uterus and prostate
- Fallopian tubes and vas deferens
- Clitoris and penis
- Ovaries and testes (correct)
The primary function of the male reproductive system is merely to facilitate urine expulsion.
The primary function of the male reproductive system is merely to facilitate urine expulsion.
False (B)
What is the term for the male gonads, which produce sperm?
What is the term for the male gonads, which produce sperm?
Testes
Sperm mature in the ______, where they are stored temporarily.
Sperm mature in the ______, where they are stored temporarily.
Match the following male reproductive structures with their functions:
Match the following male reproductive structures with their functions:
Why are the testes located outside of the body in the scrotum?
Why are the testes located outside of the body in the scrotum?
The vas deferens directly connects the testes to the urethra.
The vas deferens directly connects the testes to the urethra.
Which tube transports sperm from the epididymis to the ejaculatory duct?
Which tube transports sperm from the epididymis to the ejaculatory duct?
The ______ are glands that secrete a fluid rich in nutrients which is called seminal fluid.
The ______ are glands that secrete a fluid rich in nutrients which is called seminal fluid.
Match the following accessory glands with their respective secretions:
Match the following accessory glands with their respective secretions:
Which structure passes through the prostate gland towards the penis?
Which structure passes through the prostate gland towards the penis?
The bulbourethral glands secrete a fluid to nourish sperm.
The bulbourethral glands secrete a fluid to nourish sperm.
What is the primary function of the spongy erectile tissue in the penis?
What is the primary function of the spongy erectile tissue in the penis?
The tip of the penis is known as the ______.
The tip of the penis is known as the ______.
Match the following components of the penis with their description:
Match the following components of the penis with their description:
Which of the following lists the structures through which sperm pass, in the correct order?
Which of the following lists the structures through which sperm pass, in the correct order?
Ejaculation involves only the passage of sperm through the urethra.
Ejaculation involves only the passage of sperm through the urethra.
Name the process by which males produce sperm continuously from puberty until death.
Name the process by which males produce sperm continuously from puberty until death.
Sperm mature in the epididymis for approximately ______ days.
Sperm mature in the epididymis for approximately ______ days.
Match the following steps of sperm transport with the structures involved:
Match the following steps of sperm transport with the structures involved:
What is the main male sex hormone?
What is the main male sex hormone?
Testosterone is primarily produced by the anterior pituitary gland.
Testosterone is primarily produced by the anterior pituitary gland.
Which hormone released by the embryonic testes differentiates the fetus into a male?
Which hormone released by the embryonic testes differentiates the fetus into a male?
Testosterone is responsible for the physical changes that occur during ______.
Testosterone is responsible for the physical changes that occur during ______.
Match the following hormones with their function in the male reproductive system:
Match the following hormones with their function in the male reproductive system:
What happens to testosterone secretion before puberty?
What happens to testosterone secretion before puberty?
Gonadotropin-releasing hormone (GRH) is secreted abundantly before puberty.
Gonadotropin-releasing hormone (GRH) is secreted abundantly before puberty.
What signals the hypothalamus to start secreting GRH during puberty?
What signals the hypothalamus to start secreting GRH during puberty?
FSH and LH stimulate ______ formation in the male reproductive system.
FSH and LH stimulate ______ formation in the male reproductive system.
Match the following hormones and glands to describe the hormonal control of spermatogenesis at puberty:
Match the following hormones and glands to describe the hormonal control of spermatogenesis at puberty:
Benign Prostatic Hyperplasia (BPH) primarily affects men in which age group?
Benign Prostatic Hyperplasia (BPH) primarily affects men in which age group?
Benign Prostatic Hyperplasia (BPH) always leads to prostate cancer.
Benign Prostatic Hyperplasia (BPH) always leads to prostate cancer.
What is the primary symptom associated with Benign Prostatic Hyperplasia due to the enlargement of the prostate?
What is the primary symptom associated with Benign Prostatic Hyperplasia due to the enlargement of the prostate?
In Benign Prostatic Hyperplasia, the enlargement of the prostate narrows the ______, causing difficulty in urination.
In Benign Prostatic Hyperplasia, the enlargement of the prostate narrows the ______, causing difficulty in urination.
Match each term related to male reproductive disorders with its description:
Match each term related to male reproductive disorders with its description:
Which of the following is a characteristic of the testes?
Which of the following is a characteristic of the testes?
Spermatogenesis ceases entirely after the age of 50.
Spermatogenesis ceases entirely after the age of 50.
Name the sac that houses the testes outside the body.
Name the sac that houses the testes outside the body.
The accessory glands contribute fluids to form ______, which carries sperm.
The accessory glands contribute fluids to form ______, which carries sperm.
Match the male reproductive structures with their functions:
Match the male reproductive structures with their functions:
Flashcards
Testes
Testes
Male gonads that produce sperm.
Scrotum
Scrotum
Sac that holds the testes outside the body.
Epididymis
Epididymis
Tube where sperm mature and are stored.
Vas deferens
Vas deferens
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Ejaculatory duct
Ejaculatory duct
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Seminal vesicles
Seminal vesicles
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Prostate gland
Prostate gland
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Bulbourethral glands
Bulbourethral glands
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Penis
Penis
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Spermatogenesis
Spermatogenesis
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Testosterone
Testosterone
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Gonadotropin-releasing hormone (GRH)
Gonadotropin-releasing hormone (GRH)
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Benign Prostatic Hyperplasia
Benign Prostatic Hyperplasia
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Testes
Testes
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Study Notes
- The male reproductive organs are parallel to the female reproductive organs, for example, the ovaries are parallel to the testes.
- Male reproductive anatomy and hormones are explored.
Male Anatomy
- In the male system, the gonads are the testes.
- The testes produce the sperm that unites with the egg (ovum).
- The male reproductive system includes structures that are a system of ducts that work to release sperm.
- The testes (singular: testis) are oval-shaped glands in a sac called the scrotum outside the body.
- Sperm cannot develop at normal body temperature because it is too hot.
- The epididymis sits on the posterior part of the testis, in which the sperm mature in coiled ducts.
- The vas deferens is a tube that goes from the epididymis, moving superiorly to the bladder, then posteriorly to meet the other vas deferens at the seminal vesicles.
- The ejaculatory duct comes off the seminal vesicles and passes through the prostate towards the penis.
Accessory Glands
- Seminal vesicles secrete a nutrient-rich fluid called seminal fluid.
- Prostate gland.
- Bulbourethral glands.
- The penis delivers sperm and urine to the outside and consists of:
- Spongy erectile tissue engorges with blood to stiffen and cause an erection.
- Urethra.
- Glands penis (tip of the penis beneath the foreskin).
Path of Sperm
- Sperm is made in the testes.
- Sperm mature in the epididymis for 10-14 days.
- The vas deferens stores and move sperm from the epididymis to the urethra.
- Sperm goes through the ejaculatory duct, mixing with fluid from accessory glands that protect and nourish the sperm.
- During ejaculation, sperm and fluids (semen) pass through the urethra and out of the body.
- Males produce sperm from puberty until death, unlike the female reproductive system.
- The process of sperm creation is called spermatogenesis.
Reproductive Physiology Hormones
- Testosterone is the main male sex hormone.
- Testosterone is released by the embryonic testes to make the fetus a male.
- Testosterone is responsible for physical changes during puberty.
- Very little testosterone is secreted until puberty.
- Until puberty, the hypothalamus blocks the secretion of gonadotropin-releasing hormone (GRH).
- The testes secrete much more testosterone at puberty.
- The increase in testosterone signals the hypothalamus to secrete gonadotropin releasing hormone (GRH).
- GRH signals the anterior pituitary gland to release FSH and LH.
- FSH and LH stimulate gamete (sperm) formation.
Disorders of the Male Reproductive System
- Benign Prostatic Hyperplasia.
- Benign Prostatic Hyperplasia is the enlargement of the prostate, commonly seen in men over 50 years of age.
- This enlargement blocks the passage of urine and narrows the urethra.
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