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10 Cards in this Set

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  • Back
Urethra
a small tube leading from the int. urethral orifice in the floor of the urinary bladder to the exterior of the body.
Female urethra
ap. 1 1/2" in length
embedded in ant. wall of vagina
ext.
urethra orifice btwn vaginal opening and clitoris
wall of 3 coats (two membranous and one muscular)
Male urethra
a 8" in length
ext. urethral orifice at tip of penis
wall of 2 coats (both membranous)
divided into 3 divisions
Prostatic gland
Seminal vesicles
Ductus (vas) deferens
what ducts open into prostaic urethra? (3)
Prostatic urethra
Membranous urethra
Spongy urethra
What are the 3 divisions of the male urethra?
Prostatic urethra
passes through the prostate
continuous w/ urinary bladder
Membranous urethra
shortest portion
passes through the urogenital diaphram
Spongy urethra
the longest portion
passes through the penis
Urethral (Littre) glands
esp. in spongy urethra
opening of ducts discharge mucus during sexual arousal and ejaculation
Spongy urethra
ducts open from bulborthral (cowper's) glands