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Male Reproductive System (Testis (Mature sperm (Tail (Neck, Principleā€¦
Male Reproductive System
Testis
Gender determination
Gonadal sex
Presence of SRY gene, TDF (testis-determining factor)
Hormone sex
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DHT (Dihydrotestosterone) (Male pseudohermaphrodites, DSD)
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Structure
Seminiferous tubule
end near mediastinum (straight tubule, tubuli recti)
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Epithelium
Sertoli cells (supporting cells, sustentacular cells)
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FSH, testosterone receptors
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Tunica propia (lamina propia, peritubular tissue)
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Excurrent duct system
Efferent ductules
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Ciliary action, contraction of fibromuscular layer
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Accessory sex glands
Prostate gland
Zone
Central zone
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Resistent to carcinoma, inflammation
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Peripheral zone
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Most susceptible to inflammation, carcinoma
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Construction
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Inner mucosal layer
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Occasionally simple cuboidal, squamous, pseudostratified
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Seminal vesicle
Construction
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Mucosa
Primary, secondary, tertiary folds
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Secretion
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Simple sugar, amino acids, ascorbic acid, prostaglandins
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