Prostate and Penis Flashcards
What two muscles support the gland laterally
levator ani and obturator internus
___________ _________ separates the prostate from the rectum
Denonvillier fascia
The base of the prostate is the ________ portion of the gland
superior
The apex of the gland is the _______ portion of the gland
inferior
The right and left ejaculatory ducts pass through the ______ zone and empty into the urethra
central
____________ is a longitudinal ridge within the urethra that holds the openings from the ejaculatory ducts
verumontanum
Glandular Prostate Zones:
transitional, central zone, peripheral zone, periurethral glandular zone
(fibromuscular region)
what makes up 5% of the glandular tissue in the prostate
transitional
which zone has two lobes?
transitional
20% of cancers originate in this zone
transitional
95% of benign prostatic hypertrophy originates in this zone
transitional
20% of glandular tissue in the prostate is what zone
central
where is the central zone of the prostate found
at the base, posterior to urethra
where does the ejaculatory ducts course through to join the urethra
central zone
10% of cancers originate in what zone
central
70% of glandular tissue is located in the
peripheral zone
70% of cancers originate in the
peripheral zone
It is less common to find BPH in what zone
peripheral
Prostate Specific Antigen (PSA) is produced by
acinar cells
Cancer elevates ____ much more significantly than BPH
PSA
Prostatic Acid Phosphatase (PAP) is elevated with
prostate cancer
Seminal vesicles are _________ __________ to prostate
superior posterior
seminal vesicles store ____ and secrete ______ for ejaculation
sperm, fructose
Benign Prostatic Hypertrophy (BPH) begins as early as ____
30 years old