Chapter 13: Male Reproductive System Flashcards

1
Q

What is the primary function of the male reproductive system?

A

Produces, maintains, and transports sperm; develops and maintains male secondary sex characteristics.

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2
Q

What are the primary male reproductive organs?

A

Two testes.

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3
Q

Where are the testes located?

A

In the scrotum.

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4
Q

What is the role of the scrotum?

A

Controls the temperature of the testes.

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5
Q

What hormone do the testes produce?

A

Testosterone.

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6
Q

What are the secondary sex characteristics developed by testosterone?

A
  • Growth of facial and body hair
  • Deepening of the voice
  • Increased muscle mass
  • Libido
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7
Q

What are seminiferous tubules?

A

Small tubes within the testes that produce sperm.

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8
Q

What is the function of the epididymis?

A

Stores sperm after it leaves the seminiferous tubules.

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9
Q

What happens during ejaculation?

A

The epididymis contracts, expelling sperm into the vas deferens.

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10
Q

What is the vas deferens?

A

A narrow tube that transports sperm from the epididymis.

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11
Q

What does the seminal vesicle do?

A

Produces approximately 60% of the semen.

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12
Q

What forms the ejaculatory duct?

A

The union of the vas deferens and the duct from the seminal vesicle.

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13
Q

What is the role of the prostate gland?

A

Secretes a thin, alkaline substance that accounts for about 30% of seminal fluid.

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14
Q

Why is the substance secreted by the prostate gland important?

A

It helps protect sperm from acidic environments.

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15
Q

What are bulbourethral glands?

A

Pea-shaped structures that provide additional alkaline fluid.

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16
Q

What is the function of the bulbourethral glands?

A

Neutralizes residual acidity in the male urethra.

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17
Q

What is the penis?

A

The male organ of copulation composed of erectile tissue.

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18
Q

What does the penis enclose?

A

The urethra.

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19
Q

What is the glans penis?

A

The enlarged tip of the penis.

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20
Q

What is the urethral orifice?

A

The exit point for urine and semen from the body.

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21
Q

What covers the glans penis?

A

The prepuce (foreskin).

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22
Q

True or False: The prostate gland is located above the bladder.

A

False.

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23
Q

Fill in the blank: The _______ is responsible for expelling both semen and urine from the body.

A

urethra

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24
Q

What does the term libido mean?

A

Psychological and physical drive for sexual activity

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25
What does the prefix 'andr/o' refer to?
Male or masculine ## Footnote Often used in terms related to male reproductive organs or characteristics.
26
What does 'balan/o' refer to?
Glans penis ## Footnote Related to the bulbous end of the penis.
27
What does the prefix 'crypt/o' mean?
Hidden ## Footnote Often used in medical terminology to describe hidden or concealed structures.
28
What is the meaning of 'epididym/o'?
Epididymis ## Footnote A coiled tube where sperm mature and are stored.
29
Define 'genit/o'.
Genital ## Footnote Refers to the reproductive organs.
30
What does 'gonad/o' refer to?
Gonads ## Footnote The primary reproductive organs, ovaries in females and testes in males.
31
What does the suffix 'gon/o' signify?
Seed (ovum/spermatozoon ## Footnote Often used in terms related to reproduction or generation.
32
What does the prefix 'olig/o' mean?
Few or deficient ## Footnote Indicates a reduced quantity.
33
What does 'orch/o' refer to?
Testicle ## Footnote Used in medical terms related to the male reproductive system.
34
What is the meaning of 'orchi/o'?
Testicle ## Footnote Alternative form used in medical terminology.
35
What does 'orchid/o' refer to?
Testicle ## Footnote Another variant used in terms related to male reproductive organs.
36
What does 'test/o' signify?
Testis ## Footnote Refers to the male reproductive gland.
37
Define 'perine/o'.
Perineum ## Footnote The area between the anus and the genitals.
38
What does 'prostat/o' refer to?
Prostate gland ## Footnote A gland that produces seminal fluid.
39
What does 'spermat/o' refer to?
Sperm ## Footnote Related to male reproductive cells.
40
What does 'sperm/o' mean?
Sperm ## Footnote Another term for male reproductive cells.
41
What does 'varic/o' refer to?
Varicose veins ## Footnote Often associated with swollen and enlarged veins.
42
What does 'vas/o' signify?
Vessel or duct ## Footnote Commonly used in terms related to blood vessels or ducts.
43
What does 'vesicul/o' refer to?
Vesicle or seminal vesicle ## Footnote Related to small sacs or structures in the body.
44
What does the suffix '-cide' mean?
Killing ## Footnote Used in terms indicating the act of killing or destroying.
45
What does the suffix '-genesis' signify?
Formation or origin ## Footnote Indicates the process of development or creation.
46
What does the suffix '-ism' refer to?
Condition or theory ## Footnote Often used to describe a state or condition.
47
What does the suffix '-spadias' mean?
Fissure or opening ## Footnote Often used in terms related to congenital abnormalities.
48
What does the prefix 'brachy-' indicate?
Short ## Footnote Used to describe something that is shorter than normal.
49
What does the prefix 'epi-' mean?
Upon or above ## Footnote Indicates a position over or on top of something.
50
What are the diseases of the male reproductive system?
Reproductive disorders, congenital abnormalities, diseases and infections, various types of cancers ## Footnote Includes conditions affecting male reproductive structures.
51
What are common signs and symptoms of male reproductive disorders?
Pain during urination, erectile dysfunction, loss of libido ## Footnote These symptoms can indicate various underlying conditions.
52
What is the branch of medicine concerned with the male reproductive system?
Urology ## Footnote Urology also addresses urinary disorders in both males and females.
53
What is a urologist?
A physician who specializes in diagnosis and treatment of genitourinary disorders.
54
What are sexually transmitted infections (STIs)?
Contagious diseases acquired during sexual activity with an infected partner.
55
What is the estimated number of new STIs annually in the United States?
Nearly 20 million ## Footnote Half of these cases are among young adults aged 15 to 24.
56
What are some severe reproductive problems caused by STIs?
Sterility, infertility, ectopic pregnancy, preterm delivery, infection transmitted to the newborn ## Footnote STIs can also increase the risk of acquiring HIV.
57
What bacterium causes gonorrhea?
Neisseria gonorrheae.
58
What are common symptoms of gonorrhea?
Pain on urination (dysuria), white discharge (leukorrhea) ## Footnote Left untreated, it can lead to more severe complications.
59
What complications can gonorrhea cause in males?
Epididymitis, infertility, scarring inside the urethra.
60
What bacterium causes chlamydia?
Chlamydia trachomatis.
61
Why is chlamydia referred to as the 'silent disease'?
Symptoms are commonly absent or mild, leading to untreated damage.
62
What are potential symptoms of chlamydia in males?
Whitish discharge from the penis, epididymitis.
63
What serious disease is caused by Treponema pallidum?
Syphilis.
64
What are the three stages of syphilis?
Primary, secondary, tertiary.
65
What is a chancre?
A painless sore appearing in primary syphilis.
66
What type of lesions does genital herpes cause?
Red, blisterlike, painful lesions in the genital area.
67
What virus causes genital herpes?
Herpes simplex virus (HSV), specifically type 2 (HSV-2).
68
How can genital herpes be transmitted?
Through oral-genital sexual activity, even without visible blisters.
69
What are genital warts caused by?
Human papillomavirus (HPV) strains.
70
What is a high-risk consequence of certain HPV strains?
Anal and penile cancer in males, vaginal and cervical cancer in females.
71
What is the recommended screening for females with high-risk HPV?
Regular Pap smears.
72
What is trichomoniasis caused by?
The protozoan Trichomonas vaginalis.
73
What are common symptoms of trichomoniasis in females?
Vaginitis, urethritis, cystitis, frothy yellow-green vaginal discharge.
74
What is the most common form of cancer among men?
Prostate cancer.
75
What are early presymptomatic tests for prostate cancer?
Blood test for prostate-specific antigen (PSA), digital rectal examination (DRE).
76
What are common symptoms of early-stage prostate cancer?
Dysuria, frequency, loss of bladder control, hematuria.
77
What is the best treatment option for localized prostate cancer?
Radical prostatectomy.
78
What type of therapy is important in managing prostate cancer?
Androgen-deprivation therapy (ADT).
79
What is bilateral orchiectomy?
Removal of both testes to block testosterone.
80
What is benign prostatic hyperplasia (BHP)?
Enlargement of the prostate that constricts the urethra, causing urinary symptoms including frequency, hesitancy, nocturia, and urinary retention ## Footnote Usually occurs as part of the aging process.
81
Define balanitis.
Inflammation of the skin covering the glans penis, caused by bacteria, fungi, or a virus ## Footnote Can result in discomfort and swelling.
82
What is erectile dysfunction (ED)?
Repeated inability to initiate or maintain an erection sufficient for sexual intercourse ## Footnote Can be caused by psychological or physical factors.
83
What does hypogonadism refer to?
Decrease or lack of hormones normally produced by the gonads ## Footnote Can lead to reduced libido and other symptoms.
84
What is hypospadias?
Congenital abnormality in which the opening of the male urethra is on the undersurface of the penis, instead of at its tip ## Footnote May require surgical correction.
85
Define phimosis.
Stenosis or narrowing of foreskin so that it cannot be retracted over the glans penis ## Footnote Can lead to complications such as infections.
86
What is priapism?
Prolonged, commonly painful erection of the penis, which occurs without sexual stimulation ## Footnote Requires medical attention to prevent damage.
87
What is prostatitis?
Acute or chronic inflammation of the prostate ## Footnote Can cause pain and urinary symptoms.
88
Define sterility.
Inability to produce offspring ## Footnote Can be due to various factors affecting fertility.
89
What are testicular abnormalities?
Any of the various disorders that affect the testes ## Footnote Includes conditions like tumors and infections.
90
What is anorchism?
Absence of one or both testicles; also called anorchia or anorchidism ## Footnote Can be congenital or due to surgical removal.
91
Define epididymitis.
Inflammation of the epididymis ## Footnote Often caused by infections.
92
What is a hydrocele?
Swelling of the sac surrounding the testes that is typically harmless ## Footnote Can resolve on its own or require surgical intervention.
93
What does orchitis refer to?
Painful swelling of one or both testes, commonly associated with mumps ## Footnote Usually develops after puberty.
94
What is a spermatocele?
Abnormal, fluid-filled sac that develops in the epididymis and may or may not contain sperm; also called spermatic cyst ## Footnote Generally benign.
95
Define testicular mass.
New tissue growth that appears on one or both testes and may be malignant or benign ## Footnote Requires evaluation to determine nature.
96
What is testicular torsion?
Spontaneous twisting of a testicle within the scrotum, leading to a decrease in blood flow to the affected testicle ## Footnote Considered a medical emergency.
97
What is testicular cancer?
Malignancy that develops in one or both testes, commonly presenting as a small lump or tenderness on the testicle ## Footnote May also cause swelling in the scrotum and gynecomastia.
98
Define varicocele.
Swelling and distention of the veins of the spermatic cord, somewhat resembling varicose veins of the legs ## Footnote Can affect fertility.
99
What is Digital rectal examination (DRE)?
Screening test in males that evaluates the size and consistency of the prostate ## Footnote DRE is commonly used for prostate cancer screening.
100
What does PSA stand for?
Prostate-specific antigen ## Footnote PSA is a blood test used to detect prostatic disorders, especially prostate cancer.
101
What is the purpose of a semen analysis?
Analyzes a semen sample for volume, sperm count, motility, and morphology to evaluate fertility or verify sterilization after a vasectomy ## Footnote Semen analysis is critical in assessing male fertility.
102
What does a scrotal ultrasound (US) assess?
Contents of the scrotum, including the testicles, epididymis, and vas deferens ## Footnote Also known as testicular ultrasound.
103
What is a transrectal ultrasound (TRUS) biopsy of the prostate?
Imaging procedure using sound waves emitted by a probe inserted through the rectum to guide biopsy of the prostate when PSA and DRE are abnormal ## Footnote This procedure helps in diagnosing prostate cancer.
104
What is circumcision?
Removal of the foreskin, or fold of skin covering the tip (glans) of the penis ## Footnote Circumcision can be performed for medical or cultural reasons.
105
What is orchiopexy?
Fixation of the testes in the scrotum ## Footnote This procedure is often done to correct undescended testes.
106
What does prostatectomy refer to?
Removal of all or part of the prostate ## Footnote Prostatectomy can be indicated in cases of prostate cancer.
107
What is transurethral resection of the prostate (TURP)?
Excision of prostate tissue by inserting a resectoscope through the urethra into the bladder to remove small pieces of tissue from the prostate gland ## Footnote TURP is commonly used to treat urinary symptoms caused by an enlarged prostate.
108
What is urethroplasty?
Reconstruction of the urethra to relieve stricture or narrowing ## Footnote Urethroplasty is performed to restore normal urine flow.
109
What is a vasectomy?
Removal of all or a segment of the vas deferens for male sterilization ## Footnote Vasectomy is a permanent form of contraception.
110
What is brachytherapy of the prostate?
A radiation oncology procedure where radioactive 'seeds' are placed directly within or near a tumor in the prostate to destroy malignant cells ## Footnote Brachytherapy is an effective treatment for localized prostate cancer.
111
What is cryotherapy of the prostate?
Freezing of the prostate, causing cancer cells to die ## Footnote Cryotherapy is used as a treatment for prostate cancer.
112
What is external beam radiation therapy (EBRT)?
Procedure where the patient is positioned at a distance from the radiation source, directed at the prostate ## Footnote Also called external beam radiation (EBT) or teletherapy.