Male and Female Perineum

Question 1

Boundaries of perineum

Answer 1

pubic symphysis - anterior
ischial tuberosities - lateral
coccyx - posterior

Question 2

anterior triangle of perineum

Answer 2

urogenital

Question 3

posterior triangle of perineum

Answer 3

anal

Question 4

midpoint of perineal diamond

Answer 4

perineal body

Question 5

fibromuscular mass located between the anal canal and the perineal membrane.
Attachment point for muscles

Answer 5

perineal body

Question 6

The internal anal sphincter is under ______ control.

The external anal sphincter is under ______ control

Answer 6

involuntary

voluntary

Question 7

in internal anal sphincter, parasympathetics _______ _______ and sympathetics ____ ______

Answer 7

inhibit tonus

increase tonus

Question 8

junction between hindgut and proctodeum (embryological remnant)

Answer 8

pectinate line

Question 9

Innervation above pectinate line

Answer 9

Inferior hypogastric plexus (sympathetic and parasympathetic)
*Sensitive to stretching, but NOT to pain or temp

Question 10

Innervation below pectinate line

Answer 10

Inferior rectal nerves (somatic)

*Sensitive to pain and temp

Question 11

Above pectinate line, veins drain to _____

Below pectinate line, veins drain to _____

Answer 11

portal venous system

caval venous system

Question 12

Blood supply above pectinate line is from ______

Blood supply below pectinate line is from _______

Answer 12

Inferior mesenteric artery

Internal iliac artery

Question 13

Blood supply of anal triangle

Answer 13

superior rectal (branch of inferior mesenteric)

middle rectal (branch of internal iliac)

inferior rectal (branch of internal pudendal)

Question 14

Venous supply of anal triangle

Answer 14

internal rectus venous plexus

external rectus venous plexus

Question 15

three parts of male urethra

Answer 15

prostatic

membranous

spongy

Question 16

separates scrotum into two compartments (internally)

Answer 16

septum of the scrotum

Question 17

external separation of scrotum into two areas - continuous with septum of scrotum

Answer 17

scrotal raphe

Question 18

Ligaments attached to body and proximal part of penis

Answer 18

suspensory ligament

fundiform ligament

Question 19

three regions of penis

Answer 19

root (bulb)
glans
body

Question 20

Two kinds of erectile tissue

Answer 20

corpora spongiosum

corpora cavernosum

Question 21

corpora spongiosum gives rise to

Answer 21

bulb of penis

Question 22

Muscle that covers corpora cavernosum tissue

Answer 22

Ischiocavernosus

Question 23

Muscle that covers corpus spongiosum tissue

Answer 23

Bulbospongiosus

Question 24

Superficial to deep layers of perineum

Answer 24

Skin
Superficial fascia
       - fatty superficial layer
       - deep membranous layer
Deep fascia
Perineal membrane

Question 25

Male perineal pouches (spaces)

Answer 25

superficial perineal pouch deep perineal pouch

Question 26

contents of superficial perineal pouch (male)

Answer 26

root of penis proximal part of urethra superficial transverse perineal muscle

Question 27

two parts of root of penis

Answer 27

crus | bulb

Question 28

contents of deep perineal pouch (male)

Answer 28

membranous urethra external urethral sphincter bulbourethral glands deep transverse perineal muscle

Question 29

female external genitalia

Answer 29

vulva/pudendum

Question 30

fatty eminence anterior to the pubic symphysis (female)

Answer 30

mons pubis

Question 31

Lateral and cover labia minor and vestibule

Answer 31

labia majora

Question 32

folds of fat-free, hairless skin contains erectile tissue and small blood vessels surrounds the vestibule and connect at the frenulum

Answer 32

labia minora

Question 33

female erectile organ

Answer 33

clitoris

Question 34

space bewtween labia minora

Answer 34

vaginal vestibule

Question 35

located on each side of the vaginal vestibule

Answer 35

greater vestibule glands

Question 36

vestibular bulb is made by ______ tissue and covered by ______ muscle

Answer 36

corpora spongiosum bulbospongiosus

Question 37

Layers of female perineum (female)

Answer 37

``` Skin Superficial fascia - fatty superficial layer - deep membranous layer Deep fascia Perineal membrane ```

Question 38

contents of superficial perineal pouch (female)

Answer 38

``` body of clitoris vestibular bulb ischiocavernosus and bulbospongiosus muscles greater vestibular glands superficial transverse perineal muscle ```

Question 39

contents of deep perineal pouch (female)

Answer 39

``` proximal part of urethra vagina external urethral sphincter sphincter urethrovaginalis compressor urethra deep transverse perineal muscle ```