genetal jantan
TRANSCRIPT
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Male Reproductive Tract
Anatomy
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• Senger, PL., 2005, Phatways pregnancy
to parturition, Current conceptions Inc.,
Washington
• Schatten, H. Dan Constantinescu, M.,
2007, Comparative reproductive
biology, Blackwell, Iowa
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Learning Objectives
• Mampu menjelaskan sistem reproduksi jantan: – Structure – Function
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Bull ReproductiveTract
TE=Tail of epididymis
DD=Ductus defernn
A= ampulla
BP= body of prostate
VG=Vesicular gland
P=Prostate
IcM=Ischiocavernosus muscle
CM= Cremaster muscle
RPM=Retractor penis muscle
CP= crus penis
GP=Glans penis
PS=Penile shaft
SC=Spermatic cord
T=testis
UB=Urinaria baldder
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Reproductive
Organs of the
Bull
Testis
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Bull Testis Tunica Vaginalis
• parietal
• visceral
Tunica Albuginea
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Bull Tract
Scrotum
• Thermosensor
• Radiator
• Protective sac
Sweat gland (sympatethic nerve) hypothalamus sweatingto be colled by evaporative heat transfer
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Scrotal swaeting and thermal
polypnea pathways in ram
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Bull Tract
Cross Section
Longitudinal Section
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Scrotal
Cross Section
testicular parenchyma
mediastinum
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Testis
Testicular Parenchyma
Mediastinum
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Structure of
the Testis
Rete Testis
(within the mediastinum)
Tunica Albuginea
Seminiferous Tubule
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The Testis
Mediastinum
Seminiferous
Tubule
Rete Testis
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Structure of
the Testis
Rete Testis
(within the mediastinum)
Tunica Albuginea
Seminiferous Tubule
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Structure of
the Testis
Vas Efferentia
6-12 tubules
Caput Epididymis
Cauda Epididymis
Corpus
Epididymis
Vas Deferens
Spermatic Cord
• Vasectomy
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Structure of
the Testis
Rete Testis
(within the mediastinum)
Tunica Albuginea
Vas Efferentia
6-12 tubules
Caput Epididymis
Cauda Epididymis
Corpus
Epididymis
Seminiferous Tubule
Vas Deferens
Spermatic Cord
• Vasectomy
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Pampiniform
Plexus
Testicular
Artery
Spermatic Chord
Pampiniform Plexus • Counter Current Exchange
39°C - 34°C
70 ng T/ml - 4.8 ng T/ml
• Vascular, lymphatic and nerves
• Heat exchanger
• Houses cremaster muscle
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Testis Arterial Pulse
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Spermatic
Chord
Parietal
Tunica
Vaginalis
Cremaster
Muscle
Vas Deferens
Pampiniform
Plexus
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Bull Tract
Tunica Dartos
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Contraction of the Tunica Dartos
Tunica Dartos
• Smooth muscle
• Androgen dependent (Testosterone)
Testis
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Bull Tract
Gubernaculum
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Bull Tract
Pelvic Genitalia
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Pelvic Genitalia of the Bull
Pelvic Urethra
Muscle
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Bulb of the Penis
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Reproductive
Organs of the
Bull
Cowpers
Gland
Caput Epididymis
Cauda Epididymis Testis
Scrotum
Glans
Penis
Bladder
Ampulla
Seminal Vesicles
Prostate Rectum
Vas Deferens
Gubernaculum
Sigmoid
Flexure
Retractor
Penis
Muscle
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Cross Section of Bull Penis
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Penis Cross Section
Corpus Cavernosum
Corpus Spongiosum
Urethra
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Arterial Supply
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Glans Penis
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Glans Penis
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Muscle associated with pelvic
urethra and the penis • Urethralis muscle: striated muscle, suround pelvid
urethra in circular manner, thick, powerfull muscle responsible for movement of semianl plasma and spermatozoa into penile urethra
• Bulbospongiosus muscle: overlap the root of the penis and extends down the caudal and ventral surfaces, also covers bulbourethral glands, to empty the extrapelvic part of the urethra
• Ischiocavernosus muscle: paired, associated with pelvic urethra and the penis, connect the penis to ischial arch