Prostate A&P Flashcards
where is the prostate gland located in relation to the bladder & urogenital diaphragm?
between the bladder & urogenital diaphragm
where is the prostate located in relation to the rectum?
anterior to the rectum
where is the prostate gland located in relation to the bladder?
inferior to the bladder
is the prostate intra or retroperitoneal?
retroperitoneal
what is the base of the prostate called and where is it?
cephalad. superior part of prostate
what is the apex of the prostate called and where is it?
caudad. inferior part of prostate
what are the 5 lobes of the prostate?
- anterior
- posterior
- middle
4-5. lateral
size of the prostate?
2 x 4 x 3 cm
formula for prostate volume
(H x W x L)(0.52)
what is the normal prostate volume for younger patients?
< 20 g
what is the normal prostate volume for older patients?
< 40 g
3 prostate zones
- peripheral
- transitional
- central
where is the peripheral zone in relation to the urethra?
posterior and lateral to distal prostatic urethra
which zone is at the apical region of the prostate?
peripheral zone
what is the largest zone of the prostate? how much of the gland is it?
peripheral zone takes up 70% of prostate
which zone is the location for most prostate cancer?
peripheral
where is the transitional zone?
on both sides of the proximal urethra
which zone is the smallest in the prostate?
transitional zone
where is a common site for BPH?
transitional zone
where is the central zone of the prostate?
it extends from base to vermontanum
the central zone surrounds the bulbourethral glands. T/F?
false – surrounds the ejaculatory ducts
how much of the prostate does the central zone take up?
25%
3 functions of the prostate gland?
- contributes to seminal fluid
- secretes alkaline fluid
- produces prostate specific antigen
what pH is alkaline fluid?
7.5
