Male Reproductive Tract Anatomy & Physiology By Erma Safitri.
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Transcript of Male Reproductive Tract Anatomy & Physiology By Erma Safitri.
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Male Reproductive Tract Anatomy & Physiology
By Erma Safitri
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Learning Objectives
To be able to describe the male reproductive system in the bull. Structure Function
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STRUCTURE :
MAIN GENITAL ORGAN : GONAD / TESTES TRACTUS REPRODUCTION : EPIDIDYMIS, VAS
DEFERENS, AMPULA & URETHRA ACCESORIES GLANDS : VESCICULARIS, PROSTATA &
BULBO URETHRALIS (COWPER) OUTER GENITALIA ORGAN : PENIS, PREPUTIUM &
SCROTUM
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Components
Scrotum Testes Duct system Penis Accessory
glands
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TESTES
DIFFERENT BETWEEN SPECIES :
MEASUREMENT FORM LOCATION
PACKED IN SCROTUM SAC
PACKED BY SHINE WHITE CAPSULE : TUNICA ALBUGINEA
THE GLANDS TUBULUS FORMED
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Factory• 1-25 X 109 sperm/day• “Plant” must be air
conditioned
Factory• 1-25 X 109 sperm/day• “Plant” must be air
conditioned
Warehouse and Delivery• Storage 10-50 X 109 sperm• Sperm for 5-10 ejaculates• Smooth muscle contractions
upon sexual stimulation
Warehouse and Delivery• Storage 10-50 X 109 sperm• Sperm for 5-10 ejaculates• Smooth muscle contractions
upon sexual stimulation
Finishing School• Fluid Absorption• 8-25 X 109 sperm
– membrane changes– nuclear & flagellar
stabilization– motility, fertility– cytoplasmic droplet
translocation
Finishing School• Fluid Absorption• 8-25 X 109 sperm
– membrane changes– nuclear & flagellar
stabilization– motility, fertility– cytoplasmic droplet
translocationDelivery System
• Erection• Protrusion• Ejaculation
Delivery System• Erection• Protrusion• Ejaculation
Alterations & Packaging• Metabolic substrates• Surface coatings• Transport for sperm
Alterations & Packaging• Metabolic substrates• Surface coatings• Transport for sperm
Testis Epididymis
Tail of Epididymis
Accessory Sex Glands
Penis
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Bull ReproductiveTract
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EPIDIDYMIS
CONSIST OF : CAPUT, CORPUS &
CAUDA THE WALL : CIRCULAR MUSCLE
MEMBRANE
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Epididymis Structure
Caput Epididymis
Cauda Epididymis
CorpusEpididymis
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DUCTUS DEFERENS• CONNECTED : EPIDIDIMIS - URETHRA• FUNICULUS SPERMATICUS/ CORDA SPERMATICA
• Vas Deferens• Limfe• Blood Vessel• Nervous
• AMPULA DUCTUS DEFERENS BULL, STALLION, RAM, GOAT : + DOG & CAT : - BOAR : SMALL
• COLLICULUS SEMINALIS : ORRIFICIUM
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FUNICULUS SPERMATICUS• Vas Deferens• Limfe• Blood Vessel• Nervous
AMPULA DUCTUS DEFERENS
CANALIS INGUINALIS
Vas Deferens Structure
COLLICULUS SEMINALIS
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Testes Structure
Rete Testis(within the mediastinum)
Tunica Albuginea
Vas Efferentia6-12 tubules
Caput Epididymis
Cauda Epididymis
CorpusEpididymis
Seminiferous Tubule
Vas Deferens
Spermatic Cord/ FeniculusSpermaticus
• Vasectomy
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PampiniformPlexus
TesticularArtery
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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Spermatic Chord
Parietal Tunica
Vaginalis
Cremaster Muscle
Vas Deferens
Pampiniform Plexus
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Bull Testis
Tunica Vaginalis• parietal• visceral
Tunica Albuginea
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Structure of the Testis
Rete Testis(within the mediastinum)
Tunica Albuginea
Seminiferous Tubule
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Bull Tract
Cross Section
Longitudinal Section
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Scrotal Cross Section
testicular parenchyma
mediastinum
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Scrotal Cross Section
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Testis
Testicular Parenchyma
Mediastinum
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The Testis
Mediastinum
SeminiferousTubule
Rete Testis
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ASCECORIES GLANDS
• VESICULA SEMINALIS/ VESICULARIS
• PROSTATA
• COWPER/BULBOURETHRALIS
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Bull Tract
Pelvic Genitalia
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Pelvic Genitalia of the Bull
Pelvic UrethraMuscle
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DUCTUS EKSRETORIS URINE & SEMEN
CONSIST OF :
PELVIS DEPT : DUCTUS SILINDRIC PELVIC FLUOR
URETHRAE DEPT: CURVE SERROUNDING OF
ARCUS ISCHIADICUS
PENIS DEPT
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Bull Tract
Pelvic Dept
Penis DeptUrethrae Dept
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• PENIS URINE & SEMEN
• PENIS CRUZ, CORPUS & GLANS
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Glans Penis
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Glans PenisGlans Penis
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PENIS
* DORSAL : CORPUS CAVERNOSUM
* VENTRAL : CORPUS SPONGIOSUM
URETHRAE
* DORSAL-VENTRAL JOINED IN GLANS PENIS
CORPUS FIBROSUM
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Cross Section of Bull Penis
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Penis Cross Section
Corpus Cavernos
um
Corpus Spongiosu
m
Urethra
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1. FIBROELASTIS Flexura Sigmoidea
EX : BULL, BOAR, RAM, GOAT, BUFFALO
2. VASKULER
EX : STALLION, ELEPHANT, PRIMATE
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Reproductive
Organs of the Bull
Cowpers Gland
Caput Epididymis
Cauda EpididymisTestis
ScrotumGlansPenis
Bladder
Ampulla
Seminal Vesicles
ProstateRectum
Vas Deferens
Gubernaculum
SigmoidFlexure
Retractor Penis
Muscle
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• PENIS VASCULARITATION :
a. interna-externa pudendal &
a. obturator
• INERVATION :
Plexus Pelvicus,
Pudenda & hemoroidalis Nervous
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Arterial Supply
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SKIN COVERING FREE PENIS NOT ERECTION
& CAUDAL PENIS IN ERECTION
MUKOUS LIQUID SECRETION + LIPID + BACTERIA
FROM EPITEL WALL GLAND PREPUTIUM
SMEGMA PREPUTII
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MALE GENITALIA PHYSIOLOGY
TESTES :• REPRODUCTIF FUNCTION
SPERMATOZOA PRODUCE TUBULUS SEMINIFERUS• ENDOKRINOLOGY FUNCTION
MALE HORMONE PRODUCE/ ANDROGEN
SPERMATOGENESIS- SPERMATOCYTOGENESIS- SPERMIOGENESIS
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HIPOTHALAMUS
HIPOFISIS ANTERIOR
TESTIS
SPERMATOGONIASEL
SERTOLI
INHIBIN
FSH LH
SEL LEYDIG
TESTOSTERON
ABP
GnRH
MEKANISME HORMONAL HT – HP - TESTIS
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EPIDIDYMISEPIDIDYMIS
FUNCTION :FUNCTION : TRANSPORTATIONTRANSPORTATION KONSENTRATIONKONSENTRATION MATURATIONMATURATION STORAGESTORAGE
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SKROTUMFUNCTION
1. SHOCK REDUCE SMOOTH MUSCLE FIBROSA MEMBRANE SKIN
2. THERMOREGULATOR EKSTERNA ET INTERNA CREMASTER MUSC TUNICA DARTOS A TESTIKULER & PLEXUS VENOUS
PAMPINIFORMOS POSISITON IN FUNICULUS SPERMATIKUS
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Tunica Dartos
• Thermosensor• Radiator• Protective sac
Scrotum
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Contraction of the Tunica Dartos
Tunica Dartos
• Smooth muscle
• Androgen dependent(Testosterone)
Testis
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VAS DEFERENS
• TRANSPOR SPZ FROM CAUDA EPIDIDIMIS TO URETHRAE
• AFTER CAPUT EPIDIDYMIS JOINED BLOOD VESSEL, LIMFE & NERVES => FUNICULUS SPERMATICUS
• AMPULA DUCTUS DEFERENS
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ASCESORIS GLANDSASCESORIS GLANDS
1.1. VESIKULARISVESIKULARIS
- 50% VOL BULL EJAKULAT- 50% VOL BULL EJAKULAT
- pH 5,7-6,2- pH 5,7-6,2
2.2. COWPER & PROSTATACOWPER & PROSTATA
- URINE NETRALISATION- URINE NETRALISATION
- pH 7,5-8,2- pH 7,5-8,2
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URETHRAE
• DUCTUS UROGENITALIS URINE & SEMEN
• COLLICULUS SEMINALIS :
Corpus cavernosus Vesica urinaria
covering at ejakulation
Preventif semen entering in vesica
urinaria
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EJAKULATION MECHANISME
LIBIDO ↑
HIGH SPERM KONSENTRATION & NON
MOTIL FROM AMPULA
SECRETION FROM VESICULARIS &
PROSTATA GLANDS
COLLICULUS SEMINALIS COVERED
URETHRAE BASE WALL SUDDENLY CONTRACTION SEMEN SECRETION
SPRAY
COWPER SECRETION URETHRAE CLEANSER
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