vocab penis/prostate

what does the chemicals in the prostate gland do

• activate sperm

• Natural antibiotic

• Protect sperm after ejaculation

what happens to the corpora cavernosa during an erection?

it becomes engorged with blood and rigid

tunica albuginea

tough fibrous covering of the corpora cavernosa

seminole vesicles

Storages for sperm

priapism

painful prolonged direction for hours (More than four)

intercavernosal injection creates conditions needed to measure

• Peak systolic velocity

• end diastolic velocity

• Resistive index

veno-occlusive dysfunction

Failure to maintain blood within the corpora cavernosa (Venus leak)

Intracavernosal injection

Performed to induce a medical erection

what does the prostate gland secrete?

milky fluid that contributes to semen

Intracavernosal fibrosis

Excessive scarring and replace elastic erectile tissue with tough fibrous tissue

arterial insufficiency

Poor arterial inflow

cowpers glands (bulbourethral glands)

small glands along the urethra inferior to the prostate gland

periurethral zone

• tissue that lines prostatic urethra

• Very small, not usually seen with ultrasound

peripheral zone

• Largest

• Lateral and posterior to urethra

• Most cancers occur here

transitional zone

• near urethra

• Smallest zone

• Benign prostatic hypertrophy (BPH)

• Causes problems with urination

Central zone

• Central portion of gland

• Ejaculatory ducks

• Cancer is rare here

incontinence

involuntary loss of control over bodily functions

during erection what happens to the tunica albuginea

it becomes thin and stretched, from 2 mm flaccid to 0.25-0.5 mm when erect

prostate measurements

• Length 4 cm

• Width 4 cm

• Height 3 cm

prostate gland volume equation

length x Width x height x .52

impotence

inability to achieve or maintain an erection