Blackcloud Body Wall and Thorax p.78-90 Flashcards
arterial supply to ductus deferens
artery to ductus deferens, from superior vesical artery
nerve to ductus deferens, seminal vesicle, prostate
inferior hypogastric plexus
blood to seminal vesicle, prostate
prostatic branches of inferior vesical artery
2/3 glandular, 1/3 fibromuscular, makes significant portion of semen volume
prostate
venous drainage of prostate
forms prostatic plexus between fibrous capsule ans sheath, drains into internal iliac veins
enlarged prostate causes bladder to
hypertrophy, if urethra is constricted
first division of urethra, after internal urethral sphincter
prostatic, within prostate
within deep perineal pouch, surrounded by external urethral sphincter
intermediate urethra
within the bulb, corpus spongiosum and glans of penis
spongy urethra
male urethra is ____ in prostate gland, ____ in deep perineal pouch
wider, narrower
male urethra makes ninety degree turn
as it goes through the bulb of the penis
part of urethra vulnerable in catheterization, would cause leak into superficial perineal pouch
posterior wall within bulb
the bladder is ____ and covered with parietal peritoneum on its ____ surface
subperitonreal, superior
blood supply to bladder
vesical arteries (branches of umbilical artery) and interior vesical artery
shape formed by ureteral opening and urethra
trigone
do trigone and detrusor have same blood supply and innervation?
no
during fillings, detrusor ___ and trigone ____
expands, contracts
filling the bladder is a ____ response
sympathetic
during urination, detrusor ____ and trigone
contracts, relaxes
urinating is a ____ response
parasympathetic
what prevents retrograde flow of urine?
ureters contracting
levator ani, external urethra sphincter and abdominal wall musculature
voluntary control over urination
ligament holding neck of bladder in place (males)
puboprostatic ligament
ligament holding neck of bladder in place (females)
pubovesical ligament
inferior border of anal columns
pectinate line
tissue superior to pectinate line is derived from
endoderm
tissue inferior to pectinate line is derived from
ectoderm