1. The Male Reproductive System

2. The Male Reproductive System

3. The Male Reproductive System
• The pituitary gland releases the
gonadotropic hormones _________

4. The Male Reproductive System
• The pituitary gland releases the gonadotropic
hormones LH and FSH.
• These hormones stimulate the testes to begin
producing _________

5. The Male Reproductive System
• The pituitary gland releases the gonadotropic
hormones LH and FSH.
• These hormones stimulate the testes to begin
producing testosterone and sperm.
• Testosterone is the hormone which is responsible
for the development of _________

6. The Male Reproductive System
• The pituitary gland releases the gonadotropic
hormones LH and FSH.
• These hormones stimulate the testes to begin
producing testosterone and sperm.
• Testosterone is the hormone which is responsible
for the development of secondary sex
characteristics in males.

7. The Male Reproductive System
Testosterone
Leydig Cells
(located in the testes)
to produce
LH
Luteinizing Hormone
stimulates the
Sperm
Seminiferous Tubules
(located in the testes)
to produce
FSH
Follicle Stimulating Hormone
stimulates the
Pituitary Gland
produces

8. External Male Reproductive
Organs
• Penis
– Male sexual organ
– Serves an important function in _________

9. External Male Reproductive
Organs
• Penis
– Male sexual organ
– Serves an important function in sexual
reproduction, pleasure, and _________

10. External Male Reproductive
Organs
• Penis
– Male sexual organ
– Serves an important function in sexual
reproduction, pleasure, and elimination of body
wastes

12. External Male Reproductive
Organs - Penis
• When sexually aroused, the penis becomes
_________

13. External Male Reproductive
Organs - Penis
• When sexually aroused, the penis becomes
stiff and enlarged (erect) because
_________

14. External Male Reproductive
Organs - Penis
• When sexually aroused, the penis becomes
stiff and enlarged (erect) because its tissues
fill with blood.
• Although the entire penis is sensitive and
sexually excitable, the _________ and
_________ are particularly sensitive.

15. External Male Reproductive
Organs - Penis
• When sexually aroused, the penis becomes
stiff and enlarged (erect) because its tissues
fill with blood.
• Although the entire penis is sensitive and
sexually excitable, the glans penis and
corona are particularly sensitive.

17. External Male Reproductive
Organs - Penis
• Erections can occur at any time

18. External Male Reproductive
Organs - Penis
• Erections can occur at any time
• Men have no control over the timing of
erections

19. External Male Reproductive
Organs - Penis
• Erections can occur at any time
• Men have no control over the timing of
erections
• Little baby boys have erections

21. External Male Reproductive
Organs - Penis
Flaccid means _________

22. External Male Reproductive
Organs - Penis
Flaccid means soft, limp, lacking firmness

23. External Male Reproductive
Organs - Penis
Average size when flaccid

24. External Male Reproductive
Organs - Penis
Average size when flaccid
2-4 inches long
Average size when erect (hard or aroused)
_________ inches long

25. External Male Reproductive
Organs - Penis
Average size when flaccid
2-4 inches long
Average size when erect (hard or aroused)
5-6 inches long

26. External Male Reproductive
Organs - Penis
• The penis is neither a muscle nor a bone.

27. External Male Reproductive
Organs - Penis

28. External Male Reproductive
Organs - Penis

31. External Male Reproductive
Organs - Penis
• Circumcision
– All boys are born with a fold of skin over the
end of the penis.
– This is called the _________

32. External Male Reproductive
Organs - Penis
• Circumcision
– All boys are born with a fold of skin over the
end of the penis.
– This is called the foreskin.
– A circumcision is _________

33. External Male Reproductive
Organs - Penis
• Circumcision
– All boys are born with a fold of skin over the
end of the penis.
– This is called the foreskin.
– A circumcision is the clipping off of that fold of
skin.
– Circumcisions are usually performed a few
days to a few months after birth.

35. External Male Reproductive
Organs - Penis
• Circumcisions are performed for
_________ and _________ reasons.

36. External Male Reproductive
Organs - Penis
• Circumcisions are performed for religious
and cosmetic reasons.

37. External Male Reproductive
Organs - Penis
• Circumcisions are performed for religious
and cosmetic reasons.
• Doctors once performed circumcisions
because they believed _________ build up
led to disease.

38. External Male Reproductive
Organs - Penis
• Circumcisions are performed for religious
and cosmetic reasons.
• Doctors once performed circumcisions
because they believed smegma build up led
to disease.

39. External Male Reproductive
Organs - Penis
• Circumcisions are performed for religious
and cosmetic reasons.
• Doctors once performed circumcisions
because they believed smegma build up led
to disease.
• Smegma may cause irritation and infection
if the penis is not _________ on a regular
basis.

40. External Male Reproductive
Organs - Penis
• Circumcisions are performed for religious
and cosmetic reasons.
• Doctors once performed circumcisions
because they believed smegma build up led
to disease.
• Smegma may cause irritation and infection
if the penis is not cleaned on a regular basis.

41. External Male Reproductive
Organs - Penis
• According to the World Health
Organization (WHO), global estimates
suggest that 30% of males are circumcised,
of whom 68% are Muslim.
• Based on the statement above, what
percentage of non-Muslim males are
circumcised?

42. External Male Reproductive
Organs - Penis
• Only 9.6% non-Muslim males are
circumcised.
• 90.4% of non-Muslim males in the world are
uncircumcised.
• Only 56% of American males are
circumcised.

43. External Male Reproductive
Organs – Penis
Circumcision Worldwide

44. Circumcision Worldwide

45. External Male Reproductive
Organs – Penis
Circumcision in America

46. External Male Reproductive
Organs - Penis

47. External Male Reproductive
Organs - Penis
• Routine circumcisions are not supported by
the American Academy of Pediatrics (AAP).

48. Circumcision

49. Injection of lidocaine into
dorsum of penis

50. Circumcision

51. Circumcision

52. Circumcision

53. Circumcision

54. Circumcision

55. Circumcision

56. Circumcision

57. Circumcision Related Infant
Deaths
• In 2010, researchers estimated a
circumcision death rate of 9.01 per 100,000
or 117 per year in the United States.
• Bollinger, Dan; Boy's Health Advisory (2010-04-26). "Lost Boys: An
Estimate of U.S. Circumcision-Related Infant Deaths"

58. • Watch “Look just like Dad, by matching
genitalia?”
• http://www.youtube.com/watch?
v=XcIf6xRFPpw&feature=related

59. External Male Reproductive
System - Scrotum
Loose pouch of skin that contains the
_________ and _________

60. External Male Reproductive
System - Scrotum
Loose pouch of skin that contains the testes
and spermatic cords
-wrinkled and covered with pubic hair

61. External Male Reproductive
System - Scrotum
• The temperature of the
testicles must be
_________ degrees
lower than the
temperature of the
body in order for
sperm production to
occur.

62. External Male Reproductive
System - Scrotum
• The temperature of the
testicles must be 3-5
degrees lower than the
temperature of the
body in order for
sperm production to
occur.

63. External Male Reproductive
System - Scrotum
• The Cremaster Muscle
controls _________

64. External Male Reproductive
System - Scrotum
• The Cremaster Muscle
controls scrotal sac
length
• Thereby regulating the
temperature of the
_________

65. External Male Reproductive
System - Scrotum
• The Cremaster Muscle
controls scrotal sac
length
• Thereby regulating the
temperature of the
testes

66. External Male Reproductive
System - Scrotum
• Contracting to draw
them up toward the
body when the body is
_________

67. External Male Reproductive
System - Scrotum
• Contracting to draw
them up toward the
body when the body is
cold

68. External Male Reproductive
System - Scrotum
Contracting to draw them
up toward the body
when the body is cold
Relaxing to let them hang
lower away from the
body when the body is
_________

69. External Male Reproductive
System - Scrotum
Contracting to draw them
up toward the body
when the body is cold
Relaxing to let them hang
lower away from the
body when the body is
hot

70. Sterility
• A condition which a person is unable to
reproduce
– Less than 60 million sperm per healthy
ejaculate

71. Sterility
• A condition which a person is unable to
reproduce
– Less than 60 million sperm per healthy
ejaculate
• Wearing _________ clothing may cause
temporary sterility in males

72. Sterility
• A condition which a person is unable to
reproduce
– Less than 60 million sperm per healthy
ejaculate
• Wearing tight clothing may cause
temporary sterility in males

73. Sperm
• The male reproductive
cell

74. Sperm
• The male reproductive
cell
• Fertile male - 200
million sperm per
healthy ejaculate

75. Sperm
• The male reproductive
cell
• Fertile male - 200
million sperm per
healthy ejaculate
• Marijuana, cocaine
and cigarette use may
decrease chances of
fertilizing an by 50%

76. Sperm
• One spoonful of
semen contains 100 to
500 million sperm
• Only _________
sperm will fertilize the
female’s egg

77. Sperm
• One spoonful of
semen contains 100 to
500 million sperm
• Only one sperm will
fertilize the female’s
egg
• Each normal sperm
cell carries _________
chromosomes

78. Sperm
• One spoonful of
semen contains 100 to
500 million sperm
• Only one sperm will
fertilize the female’s
egg
• Each normal sperm
cell carries 23
chromosomes

79. Sperm Characteristics
• _________ - speed
and ability to move

80. Sperm Characteristics
• Motility - speed and
ability to move

81. Sperm Characteristics
• Motility - speed and
ability to move
• _________ - number
of diseased sperm

82. Sperm Characteristics
• Motility - speed and
ability to move
• Morbidity - number of
diseased sperm

83. Sperm Characteristics
• Motility - speed and
ability to move
• Morbidity - number of
diseased sperm
• _________ - number
of dead sperm

84. Sperm Characteristics
• Motility - speed and
ability to move
• Morbidity - number of
diseased sperm
• Mortality - number of
dead sperm

85. The Male Reproductive System

86. Internal Male Reproductive
System
• Testes (Testicles) -

87. Internal Male Reproductive
System
• Testes (Testicles) - two small _________

88. Internal Male Reproductive
System
• Testes (Testicles) - two small glands that
produce _________

89. Internal Male Reproductive
System
• Testes (Testicles) - two small glands that
produce sperm
• The left testicle normally _________ than
the right.

90. Internal Male Reproductive
System
• Testes (Testicles) - two small glands that
produce sperm
• The left testicle normally hangs lower than
the right.

91. Internal Male Reproductive
System - Testicles
• The testicles are
suspended from the
_________

92. Internal Male Reproductive
System - Testicles
• The testicles are
suspended from the
spermatic cords.
• The spermatic cords
contain the _________ ,
_________ ,
_________ and
_________

93. Internal Male Reproductive
System - Testicles
• The testicles are
suspended from the
spermatic cords.
• The spermatic cords
contain the vas deferens,
blood vessels, nerves and
muscle fibers.

94. Internal Male Reproductive
System - Testicles

95. Internal Male Reproductive
System - Seminiferous Tubules
• Section of the testes
where sperm are
_________

96. Internal Male Reproductive
System - Seminiferous Tubules
• Section of the testes
where sperm are
produced
• Long threadlike tubes

97. Internal Male Reproductive
System - Seminiferous Tubules
• Section of the testes
where sperm are
produced
• Long threadlike tubes
• Approximately
_________ , each is one
to three feet long

98. Internal Male Reproductive
System - Seminiferous Tubules
• Section of the testes
where sperm are
produced
• Long threadlike tubes
• Approximately one
thousand tubes, each is
one to three feet long
• Combined length can
extend over a
_________

99. Internal Male Reproductive
System - Seminiferous Tubules
• Section of the testes
where sperm are
produced
• Long threadlike tubes
• Approximately one
thousand tubes, each is
one to three feet long
• Combined length can
extend over a quarter
mile

100. Internal Male Reproductive
System - Epididymis
• Stores _________

101. Internal Male Reproductive
System - Epididymis
• Stores sperm
• Approximately
_________ in length

102. Internal Male Reproductive
System - Epididymis
• Stores sperm
• Approximately twenty
feet in length

103. Internal Male Reproductive
System -Leydig Cells
• Located in the
_________

104. Internal Male Reproductive
System -Leydig Cells
• Located in the testicles
• Produce _________

105. Internal Male Reproductive
System -Leydig Cells
• Located in the testicles
• Produce testosterone

106. Internal Male Reproductive
System - Vas Deferens
• Two tubes
approximately
_________

107. Internal Male Reproductive
System - Vas Deferens
• Two tubes
approximately 18
inches long
• Connect the
_________ with the
__________

108. Internal Male Reproductive
System - Vas Deferens
• Two tubes
approximately 18
inches long
• Connect the
_________ with the
urethra

109. Internal Male Reproductive
System - Vas Deferens
• Two tubes
approximately 18
inches long
• Connect the
epididymis with the
urethra
• The vas deferens are
lined with _________

110. Internal Male Reproductive
System - Vas Deferens
• Two tubes
approximately 18
inches long
• Connect the
epididymis with the
urethra
• The vas deferens are
lined with cilia

111. Cilia
• Fingerlike projections
located in the vas
deferens that help
move _________
through the tube.

112. Cilia
• Fingerlike projections
located in the vas
deferens that help
move sperm through
the tube.

113. Vasectomy

114. Vasectomy

115. Vasectomy
• Surgical procedure to
_________

116. Vasectomy
• Surgical procedure to
sterilize males

117. Vasectomy
• The surgeon will make
an incision on the
_________, remove a
section of the
_________ and stitch
that area.

118. Vasectomy
• The surgeon will make
an incision on the
scrotal sac, remove a
section of the
_________ and stitch
that area.

119. Vasectomy
• The surgeon will make
an incision on the
scrotal sac, remove a
section of the vas
deferens and stitch
that area.

120. Vasectomy
• It is the most common
form of male
contraception in the
United States, and
more than 500,000
men have a vasectomy
each year.

121. Vasectomy
• It is safe, highly
effective, and has no
impact on erection or
sexual performance.

122. Vasectomy
• You will be asked to
bring one or more
specimens of semen to
your follow-up visit to
verify the success of
the procedure.

123. Vasectomy
• Most doctors suggest a
minimum of 3 to 4
months, and advise a
minimum of 20
ejaculations before
performing the first
semen analysis.

125. Vasectomy

126. • Watch
http://video.about.com/contraception/Vasectomy.

127. Impotence
• The inability of a sexually mature male to
_________

128. Impotence
• The inability of a sexually mature male to
maintain an erection long enough to
_________

129. Impotence
• The inability of a sexually mature male to
maintain an erection long enough to have an
ejaculation.
• May be due to lack of _________

130. Impotence
• The inability of a sexually mature male to
maintain an erection long enough to have an
ejaculation.
• May be due to lack of sexual desire,
_________

131. Impotence
• The inability of a sexually mature male to
maintain an erection long enough to have an
ejaculation.
• May be due to lack of sexual desire,
inability or _________ .

132. Impotence
• The inability of a sexually mature male to
maintain an erection long enough to have an
ejaculation.
• May be due to lack of sexual desire,
inability or erectile dysfunction.

133. • Watch
http://video.about.com/menshealth/Impotence.htm

134. Possible Causes of Erectile
Dysfunction
• Chronic tobacco use
• Diabetes
• Being overweight
• Avoiding exercise
• Hormonal Imbalance
• Neurologic Impairment
• Pelvic Surgery
• Pelvic Trauma
• Prescription Drugs
• Psychological
• Vascular Disease

135. • Watch
http://video.about.com/infertility/Erectile-Dysfun

136. Internal Male Reproductive
System - Seminal Vesicles
• Two little pouches
near the prostate gland
which secrete a fluid
to help _________

137. Internal Male Reproductive
System - Seminal Vesicles
• Two little pouches
near the prostate gland
which secrete a fluid
to help provide
nourishment to the
sperm

138. Internal Male Reproductive
System - Prostate Gland
• Lies below _________

139. Internal Male Reproductive
System - Prostate Gland
• Lies below the bladder
and is about the size of
a chestnut.

140. Internal Male Reproductive
System - Prostate Gland
• Lies below the bladder
and is about the size of
a chestnut.
• Secretes a milky fluid
which _________

141. Internal Male Reproductive
System - Prostate Gland
• Lies below the bladder
and is about the size of
a chestnut.
• Secretes a milky fluid
which protects the
sperm.

142. Internal Male Reproductive
System - Prostate Gland

143. Prostate Cancer -
Digital Rectal Exam
Prostate cancer affects 1
in 6 men
The PSA Blood Test,
Transrectal Ultrasound
and Digital Rectal
Exam are used to
detect the presence of
cancer.

144. Transrectal Ultrasound

145. Prostate Cancer -
Digital Rectal Exam
PSA is a protein
produced by the
prostate and released
in very small amounts
into the bloodstream.
When Prostate cancer
develops and grows
more PSA is released
into the blood stream.

147. • http://video.about.com/prostatecancer/Prostate-Ca

148. Internal Male Reproductive
System - Cowper’s Gland
• Two pea sized glands
located below
_________

149. Internal Male Reproductive
System - Cowper’s Gland
• Two pea sized glands
located below the
prostate

150. Internal Male Reproductive
System - Cowper’s Gland
• Two pea sized glands
located below the
prostate
• Secretes a clear sticky
fluid that _________

151. Internal Male Reproductive
System - Cowper’s Gland
• Two pea sized glands
located below the
prostate
• Secretes a clear sticky
fluid that cleans the
urethra of urine

152. Urethra
• Tube like organ that
travels _________

153. Urethra
• Tube like organ that
travels through the
penis

154. Urethra
• Tube like organ that
travels through the
penis
• Both urine and sperm
pass through the
urethra but _________

155. Urethra
• Tube like organ that
travels through the
penis
• Both urine and sperm
pass through the
urethra but never at
the same time

157. Semen
• A mixture of sperm and fluids from the

158. Semen
• A mixture of sperm and fluids from the
– seminal vesicles

159. Semen
• A mixture of sperm and fluids from the
– seminal vesicles
– prostate gland

160. Semen
• A mixture of sperm and fluids from the
– seminal vesicles
– prostate gland
– cowper's gland

162. Masturbation
• Self stimulation to the point of ejaculation.

163. Masturbation
• Self stimulation to the point of ejaculation.
• According to former Surgeon General
Joycelyn Elders :
“[Masturbation] never got
anybody pregnant,” she said, “and
you know you’re always having
sex with somebody you love.”

164. Former Surgeon General
Joycelyn Elders
• In 1994, she was invited
to speak at a United
Nations conference on
AIDS. She was asked
whether it would be
appropriate to promote
masturbation as a means
of preventing young
people from engaging in
riskier forms of sexual
activity.

165. Former Surgeon General
Joycelyn Elders
• She replied, "I think that it
is part of human sexuality,
and perhaps it should be
taught.”

166. Former Surgeon General
Joycelyn Elders
• She replied, "I think that it
is part of human sexuality,
and perhaps it should be
taught." This remark
caused great controversy,
especially among
conservative Christian
groups and right wing
interests in the United
States. President Clinton
asked for her resignation.

167. Former Surgeon General
Joycelyn Elders
• "We know that more
than 70-80% of women
masturbate, and 90%
of men masturbate, and
the rest lie."

168. Nocturnal Emission
• Wet Dream
• An ejaculation that takes place in males
during puberty while asleep.
• Occurs because of the build up of semen.
• Sometimes it is accompanied by a dream
with sexual content

169. Testicular Cancer
• One of the most
common cancers
in men between
the ages of 15
and 34.

170. Testicular Cancer
• If discovered in the early stages, testicular cancer
can be treated promptly and effectively.

171. Testicular Cancer
• Men who have an
undescended or
partially descended
testicle are at much
higher risk.

172. Undescended Testicle

173. Testicular Cancer
• The first sign of testicular cancer is usually a
slight enlargement of one of the testes.

174. Testicular Cancer
• Pain may be absent
but usually there is a
dull ache in the lower
abdomen and groin.

175. Testicular Self Examination
(TSE)
• Early detection can be
done with a simple
three minute monthly
examination.
• The best time is after a
warm bath or shower
when the scrotal sac is
relaxed.

176. Testicular Self Examination
(TSE)
• The male rolls each
testicle gently between
the thumb and fingers
of both hands. If there
are any hard lumps the
person should see a
doctor immediately.

182. Hydrocele
A hydrocele is a collection of fluid inside
the area of the scrotum, surrounding the
testicle.
Hydroceles are common in newborn infants
and normally resolve after a few months
after birth.
The main symptom is a painless, swollen
testicle, on one or both sides, which
feels like a water-filled balloon.
Hydroceles are usually not dangerous, and
they are usually only treated when they
cause discomfort or embarrassment, or
they get so large that they threaten the
blood supply of the testicle.

183. Circumcise Me?!