Page 829 - Atlas of Histology with Functional Correlations

SECTION 2 • Accessory Reproductive Glands

SEMINAL VESICLES

Located posterior to the bladder and superior to prostate gland
Excretory ducts join with the ampulla of vas deferens to form ejaculatory

ducts
Ejaculatory ducts continue through prostate gland to open into prostatic
urethra
Produce fluid with sperm-activating fructose, the main energy source for

sperm motility
Produce most of the fluid found in semen, including fibrinogen to coagulate
semen

PROSTATE GLAND

Located inferior to the neck of the bladder

Urethra exits bladder and passes through prostate as prostatic urethra
Excretory ducts from the prostatic glands enter the prostatic urethra
Transitional epithelium lines the prostatic urethra
Characterized by fibromuscular stroma and prostatic concretions in the

glands
Produces watery secretions including prostate-specific antigen and
fibrinolysin to liquefy semen

BULBOURETHRAL GLANDS

Small glands located at the root of penis and in the skeletal muscle of

urogenital diaphragm
Excretory ducts enter the proximal part of penile urethra
Produce mucus-like secretion that lubricates and neutralizes penile urethra

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