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CVM710: Anatomy > exam 3: Male repro > Flashcards

exam 3: Male repro Flashcards

1
Q

Male gonad (testicle) produce ________ and ___________

A

spermatozoids & hormones

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2
Q

Identify 1-3

A

1.Tunica albuginea

  1. Testicular parenchyma-Seminiferous tubules

3.Epididymis

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3
Q

identify 1 and 2

A
  1. Rete testis
  2. Efferent ductules
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4
Q

List the parts of the epididymis

A

head, body, tail

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5
Q

what is the position of the head of the epididymus

A

Positioned craniodorsally

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6
Q

identify

A
  1. tail of epididymus
  2. body of epididymus
  3. head of epididymus
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7
Q

identify 1 and 2

A
  1. parietal vaginal tunic
  2. cremaster m.
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8
Q

identify 1 and 2

A
  1. ductus deferens
  2. head of epididymus
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9
Q

Scrotal position of a dog

A

Inguinal position

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10
Q

Scrotal covering of a dog

A

sparse hair

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11
Q

checking on answer!!!!!!!!
How many layers are there of the Scrotum

A

– Epidermis
– Dermis
-Tunica dartos
-External spermatic fascia
-Internal spermatic fascia
-Parietal vaginal tunic

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12
Q

If I were to put a pin the the scrotum and went to the 4th layer.

what layer am I in

A

Internal spermatic fascia

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13
Q

NEED TO FIX

If I were to put a pin the the scrotum and went to the 6th layer.

what layer am I in

A

Parietal vaginal tunic

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14
Q

what is the pink/grey layer representing

A

skin and tunica dartos

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15
Q

what are the layers of the Vaginal tunics

A

Parietal vaginal tunic
Visceral vaginal tunic
Vaginal cavity

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16
Q

what layer of vaginal tunic is in green

A

Visceral vaginal tunic

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17
Q

what layer of vaginal tunic is in red

A

Parietal vaginal tunic

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18
Q

identify

A
  1. cremaster m.
  2. External & internal abd. Oblique mm
    3.Vaginal ring
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19
Q

identify

A

1.Parietal peritoneum
2.Deep inguinal ring

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20
Q

identify

A

1.Testicular a., v., l, & n
2.Vaginal process

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21
Q

identify

A

1.Ductus deferents
2.Superficial inguinal ring

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22
Q

identify

A
  1. Mesorchium
  2. Mesofuniculum
  3. Mesoductus deferens
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23
Q

identify

A

Testicular vessels

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24
Q

Cremaster muscle Origin:

A

caudal free border of the internal abdominal oblique m.

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25
Q

Cremaster muscle Insert:

A

spermatic fascia & parietal vaginal tunic

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26
Q

Cremaster muscle Action

A

pull the testis closer to the body in response to a cremasteric reflex

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27
Q

Cremaster muscle is innervated by which nerve

A

genitofemoral n. (L3-L4)

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28
Q

Spermatic Cord Components (7)

A
  • Testicular a.
  • Testicular v. & pampiniform plexus
  • Testicular n.
  • Testicular lymphatics
  • Ductus deferens
  • Deferent a. and v.
  • Internal cremaster m.
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29
Q

Internal cremaster m

is it smooth or skeletal muscle

A

smooth muscle

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30
Q

identify

A

Testicular v. & pampiniform plexus

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31
Q

be able to label basic anatomy

A
  1. ductus deferns
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32
Q

Accessory sex glands in the male dog (2)

A

*Prostate
*Ampullary glands

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33
Q

Accessory sex glands in the male dog Function

Adds volume to __________ to provide a vehicle for sperm

A

ejaculate

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34
Q

Accessory sex glands in the male dog function:

Provides a source of energy for _________

A

sperm

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35
Q

Accessory sex glands in the male dog function:

Acts as a ______ for sperm by neutralizing the Ph in urine and the ____ produced by sperm

A

buffer
CO2

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36
Q

Accessory sex glands in the male dog function:

Production of prostaglandins that cause _____________

A

smooth muscle contraction of female reproductive tract

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37
Q

Identify A and B

A

A:Deferent duct

B: Ampulla

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38
Q

Prostate

normal or abnormal

A

A: Normal
B: Abdormal

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39
Q

what are the parts of the male canine urethra

A

*Pelvic part
*Penile part (spongy)

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40
Q

Located on dorsal surface of prostatic urethra

A

Colliculus seminalis

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41
Q

Deferent ducts open on each side of the ____________

A

colliculus seminalis

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42
Q

Colliculus seminalis is the continuation of the _______________

A

urethral crest

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43
Q

Identify the regions of the canine penis

A
  1. Glans penis
  2. Body
    3.Root
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44
Q

Erectile tissue of the penis is Dense __________ tissue with many __________fibers and sinuses

A

collagenous
elastic

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45
Q

identify #10

A

*Corpus cavernosum penis

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46
Q

identify 11

A

*Corpus spongiosum penis

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47
Q

identify 14

A

Corpus spongiosum glandis of the bulbus glandis

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48
Q

identify 15

A

Corpus spongiosum glandis of the pars longa glandis

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49
Q

identify #6

A

Crura (right and left)

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50
Q

identify #7

A

Bulb of the penis (urethral bulb)

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51
Q

identify #8

A

Urethra

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52
Q

what is the urethra surrounded by in the root of the penis

A

bulb of the penis
corpus spongiosum

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53
Q

Expansion of corpus spongiosum penis, surrounded by bulbospongiosus
m

A

Bulb of the penis

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54
Q

what is the Crura composed of

A
  • Corpus cavernosum penis
  • Tunica albuguinea
55
Q

Crura is surrounded by

A

ischiocavernosus m.

56
Q

Erectile tissues of the penis

A

Corpus cavernosum penis

Corpus spongiosum penis

Corpus spongiosum glandis of the bulbus glandis

Corpus spongiosum glandis of the pars longa glandis

57
Q

Root of the penis (dog) is comprised of

A

Crura
Bulb of the penis
Urethra

58
Q

Muscles associated with the canine penis (3)

A

Bulbospongiosus m.
Ischiocavernosus m.
Retractor penis m.

59
Q

what muscle is this?

Around the bulb of the penis

A

Bulbospongiosus m.

60
Q

what muscle is this?

From ischiatic tuberosities to the crura
(right & left )of the penis

A

Ischiocavernosus m.

61
Q

what muscle is this?

From the external annal sphincter to the gland, caudal and ventral position

A

Retractor penis m.

62
Q

what muscles correspond with 1-3

A

1.Retractor penis m.

  1. Ischiocavernosus m.
  2. Bulbospongiosus m.
63
Q

Corpus cavernosum surrounded by ____________

A

tunica albuginea

64
Q

the pelvic portion is surrounded by the urethralis muscle. The penile portion is
surrounded by the corpus spongiosum

A

Urethra

65
Q

identify 10

A

Corpus cavernosum

66
Q

identify 5

A

Urethra

67
Q

identify 11
identify 9

A

Corpus spongiosum (11)

bulb of the penis (9)

68
Q

identify 13

A

Proximal part of os penis

69
Q

identify

A

Body of the penis

70
Q

identify 3

A

Bulbus glandis

71
Q

identify 2

A

Pars longa glandis (2)

72
Q

identify 4

A

Os penis (4)

Around the penile urethra

73
Q

identify 8

A

Urethra (8)

Surrounded by the corpus spongiosum and the os penis

74
Q

identify 7

A

Corpus spongiosum penis

75
Q

in the root form the bulbus of the penis and surround the penile urethra all the way toward the external urethral orifice

A

Corpus spongiosum penis

76
Q

identify 1

A

Glans penis

77
Q

Os penis (dog) adds rigidity for

A

intromission

78
Q

Deforms apex of the penis in the vagina

A

Os penis (dog)

79
Q

Os penis (dog):

Urethra passes through the _______________ on ventral surface

A

urethral groove

80
Q
A
81
Q

what are the layers of preputium

A

– External lamina (haired skin)
– Internal lamina
– Penile lamina
-Preputial fornix (fundus)

82
Q

identify

A

glans

83
Q

identify 1 and 2

A
  1. preputial ostium
  2. preputial fundus
84
Q

identify

A

retractor penis mm.

85
Q

identify 1 and 2

A
  1. Ichiocavernosus mm.
  2. Bulbospongiosus m.
86
Q

Blood supply to the penis ( 6 main arteries)

A
  1. Ventral perineal a.
  2. Internal pudendal a.
  3. Artery of the penis
  4. .Dorsal a. of the penis

5.Deep a. of the penis

  1. Artery of the bulb
87
Q

identify 1-3

A
  1. Corpus cavernosum
  2. Corpus spongiosum

3.Bulbus glandis

88
Q

idnetify 1-3

A

1.Dorsal a. of the penis (and Vein)
2. Bulbus glandis
3. Superficial veins of glans

89
Q

during a Non-erection:

Blood flow to the penis bypasses the ____________of the erectile tissue

A

vascular spaces

90
Q

Vascular spaces of penile erectile tissue contain (small or large) amount of blood

A

only a small amount of blood

91
Q

during an Erection blood is directed into the _______________

A

helical arteries of the erectile tissue

92
Q

Results from filling of cavernous bodies
with blood

A

erection

93
Q

during an erection

Stimulation of the pelvic nerve causes
relaxation of smooth muscles of the
arteries of the penis allowing an
_________________

A

increase in blood flow to the penis

94
Q

during an erection, what happens to the penis

A

enlarges and becomes turgid

95
Q

Feline penis:

Apex is directed ______________-

A

caudoventrally

96
Q

Feline penis does or does not contain os penis

A

does contain

97
Q

Feline penis:

is the glans small or large

A

small

98
Q

what is unique about the feline penis

A

Keratinized spines on distal end of penis

99
Q

Accessory sex glands in the male cat (2)

A
  • Prostate
  • Bulbourethral gland
100
Q

Scrotal position of a cat

A

Cat – perineal position

101
Q

Scrotal covering of a cat

A

Scrotum of cat is covered with hair

102
Q

Erection

sympathetic or parasympathetic

A

Parasympathetic function

103
Q

Ejaculation is the secretion of _____________

A

accessory sex glands

104
Q

Ejaculation

sympathetic or parasympathetic?

A

Sympathetic function

105
Q

during ejaculation what contracts causing an expulsion of semen?

what kind of function is this?

A

Bulbospongiosus muscle contracts

  • Somatic function
106
Q

what compresses dorsal veins of the penis to maintain an erection

A

Preputial orifice (male)
Ischial arch (male)

107
Q

what Restricts venous return in the male to maintain erection

A

Ischiourethralis m. (male)

Penis twists on long axis during
dismount (male)

108
Q

what Inhibits venous return to maintain erection

A

Constrictor vulvae and vestibuli mm.
(female)

109
Q

Maintenance of erection requires what stimulation

A

Neurogenic (male)*

– Parasympathetic stimulation,
retractor penis muscle relaxed

110
Q

why is it important for the testes to drop (out of the abdomen)

A

Sperm cells mature at a cooler temperature

testes could turn into cancer if inside abdomen at hotter temperature

111
Q

what constricts and pulls testicles through the inguinal canal into scrotum proper

A

gubernaculumn

112
Q

the pelvic portion of the urethra is surrounded by the

A

urethralis m.

113
Q

The penile portion of the urethra is
surrounded by

A

corpus spongiosum

114
Q

the body of the penis is covered by urtheralis muscle and ____________

A

corpus spongiosum

115
Q

the glans of the penis is surrounded by what 2 things

A

os penis
corpus spongiosum

116
Q

where does the spermatic cord begin

A

at the vaginal ring

117
Q

the external and internal spermatic fascia is derived from the ___________________

A

transversalis fascia

118
Q

what ligament do you specifically cut during a neuter

A

ligament of the tail of the epidiymis

119
Q

if it is cold outside/ exercising what does the cremaster do

A

contracts to pull testicles closer to the body

120
Q

if it is hot outside what does the cremaster muscle do

A

relax, allowing the testicles to cool off

121
Q

The keratinized spines on the end of the feline penis causes what to happen in females

A

ovulation

122
Q

what is happening at the colliculus seminali

A

prostatic fluid is getting added to semen

123
Q

what does the rete testis collect sperm from

A

seminiferous tubules

124
Q

what do the seminiferous tubules do

A

produce spermatzoids

125
Q

when do the decent of the testes occur

A

right at birth/shortly after birth

126
Q

when testicles do not descend or are stuck in the inguinal canal this is called

A

cryptorchid

127
Q

route of spematazoa

A

once mature:

exit through efferent ductules and are stored in the epididymis then exits through the tail into the ductus deferns to go to the penis

128
Q

what is a left over piece of the gubernaculum

A

proper ligament of the tail of the epididymis

129
Q

the vein, artery and nerve of the testicle are protected by what meso-

A

mesorchium

130
Q

what do we ligate during a neuter

A

spermatic cord

131
Q

what are the 4 functions of the accessory sex glands

A
  1. Adds volume to ejaculate to provide a vehicle for
    sperm
  2. Provides a source of energy for sperm
  3. Acts as a buffer for sperm by neutralizing the Ph in
    urine and the CO2 produced by sperm
  4. Production of prostaglandins that cause smooth
    muscle contraction of female reproductive tract
132
Q

where in the ductus deferns does semen exit

A

orifices of deferent ducts

133
Q

what kind of response causes ejaculation and erection

A

autonomic nervous system

inflow of blood occurs, but venal drainage is slowed=engorged

134
Q

what part of the penis has a lot of nerves/very sensitive

A

glans penis

CVM710: Anatomy (53 decks)

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