37 terms

Perineum 2 (44)

What is the name of the fascia around the deep perineal muscle?
deep perineal fascia
What structures are in the deep pouch (6)?
deep perineal muscle

nerve supply

blood supply

part of urethra (membranous portion in males, proximal portion in females)

external urethral sphincter

bulbourethral gland in males (counterpart to Bartholin's glands)
If the membranous part of the urethra is damaged, where will urine drain to (2)?
urogenital diaphragm

extraperitoneal tissue of pelvis
If the proximal spongy, penile urethra is damaged due to pelvic fracture, where will urine go (3)?
superficial perineal pouch

up the anterior abdominal wall

What 2 structures make up the conjoint ramus?
pubic ramus

ischial ramus
What are the 2 triangles formed from the inferior aspect of the hip bone?
urogenital triangle

anal triangle
What makes up the anal triangle?
anus and muscles around it
What makes up the subfloor?
urogenital diaphragm
What structure stabilizes the urogenital diaphragm and pelvic diaphragm?
perineal body
What 3 muscles make up the pelvic diaphragm?
ischiocavernosus muscle

superficial perineal muscle

bulbospongiosus muscle
Which muscles of the pelvic diaphragm attaches to the ischial tuberosity?
ischiocavernosus muscle

superficial perineal muscle
What is the lateral muscle of the pelvic diaphragm?
ischiocavernosus muscle
What is the medial muscle of the pelvic diaphragm?
What is the posterior muscle of the pelvic diaphragm?
superficial perineal muscle
Which nerve found in the perineum can be anesthetized during childbirth?
pudendal nerve
Where is the pudendal nerve anaesthetized during child birth?
as the nerve crosses the ischial spine
What nerve innervates the external genitalia and superficial muscles of the pelvic diaphragm?
superficial perineal nerve
What nerve innervates the deep muscles of the perineum?
deep perineal nerve
What separates the superficial muscles of the pelvic diaphragm from the deep perineal muscles?
perineal membrane
What structure lies in between the clitoris and vagina?
What structure secretes mucus into the inferior extreme of the vagina?
greater vestibular gland
Which pouch does the bulbourethral gland lie in?
deep pouch
Which pouch does the greater vestibular (Bartholin's gland) lie in?
superficial pouch
The superficial perineal fascia is bordered off by which 2 structures?
perineal membrane along its posterior margin (borders off the anal triangle)

fascia lata of the thigh
What glands secrete mucus to prevent the urethra from adhering to itself?
bulbourethral gland
What fascia encloses the corpus cavernosum and corpus spongiosum?
Bucks' fascia
What are the contents of the superficial perineal pouch (6)?
external genitalia

superficial perineal muscle



paraurethral glands (Skene's gland) in females

greater vestibular glands in female
If there is damage to Buck's fascia, which pouch will urine drain into?
superficial perineal pouch

*anterior abdominal wall, scrotum
The superficial perineal membrane is a continuation of what fascia?
membranous layer of superficial fascia (Scarpa's)
What is the name of superficial perineal membrane that blends with the lower limb?
Colle's fascia
Name the 3 muscles in the superficial pouch in both genders
superficial perineal muscle

ischiocavernosus muscle

bulbospongiosus muscle
Which pouch houses the paraurethral glands?
superficial pouch
Which pouch contains the external genitalia?
superficial pouch
What pouch lies between the deep fascia and superficial perineal fascia?
superficial pouch
Colle's fascia is continuous with what fascia of the abdominal wall?
Scarpa's fascia
What bony structure does Colle's fascia attach to?
ischiopubic ramus
What 2 structures make up the urogenital diaphragm?
sphincter urethrae

deep transverse perineal muscles