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Male Reproductive System Structures (Accessory Glands (Functions…
Male Reproductive System Structures
Testes
Epididymis
Ductus deferens
Ejaculatory duct
Urethra
penetrates prostate wall and empties into prostatic urethra
stores sperm for several months
beginning of reproductive tract
sperm storage/recycles damaged sperm
hang in scrotum
normal sperm development requires set temperature
muscles relax and contract to maintain temp
Accessory Glands
Functions
Activates sperm, induces contractions to propel sperm, produces buffers for urethral and vaginal acid
Provides nutrients for sperm to move around
Seminal Glands
Produce majority of semen volume
Bulbo-urethral glands
secretes thick, alkaline mucus that act as a buffer for urinary acids in urethra, lubes tip of penis
Prostate
produces prostatic fluid which
ejected by contractions of prostate wall into the urethra
Semen (ejaculate
sperm count - normal range is 20-100 million sperm/mL
contains sperm, enzymes & seminal fluid