Anatomy - Pelvis And Perineum

Front 1

Borders of the lesser sciatic foramen?

Back 1

Superior: Sacrospinous ligament
Lateral: Ischial tuberosity
Inferior/medial: Sacrotuberous ligament

Front 2

Borders of the greater sciatic foramen

Back 2

Superior: Anterior sacroiliac ligament
Anterolateral: Ilium (greater sciatic notch)
Posteriomedial: Sacrotuberous ligament
Inferior: sacrospinous ligament

Front 3

Structures through lesser sciatic foramen?

Back 3

1) Internal pudendal a.
2) Internal pudendal v.
3) Pudendal n.
4) Tendon of obturator internus
5) N. to obturator internus

Front 4

Muscles of the pelvic floor?

Back 4

1) Puborectalis
2) Pubococcygeus
3) Iliococcygeus
4) Coccygeus

Front 5

Muscles of the levator ani?

Back 5

1) Puborectalis
2) Pubococcygeus
3) Iliococcygeus

Front 6

Lateral wall of pelvic cavity?

Back 6

Obturator internus

Front 7

Posterior wall of pelvic cavity?

Back 7

Piriformis

Front 8

Structures through greater sciatic foramen?

Back 8

1) Superior gluteal n
2) Inferior gluteal n
3) Pudendal n.
4) N. to obturator internus
5)N. to quadratus femoris
6) Sciatic n.
7) Posterior femoral cutaneous n.

Front 9

What is attached to the anococcygeal ligament?

Back 9

Pubococcygeus

Front 10

Two muscles of levator ani often combined to constrict the vagina and urethra?

Back 10

Puborectalis and pubococcygeus

Front 11

Nerves that keep the pelvis off the floor?

Back 11

S2,S3,S4

Front 12

Prevents prolapse of bladder when not full?

Back 12

Retropubic space

Front 13

Branches of external iliac a.?

Back 13

1) Deep circumflex iliac a.
2) Inferior epigastric a.

Front 14

Iliolumbar artery branches off of?

Back 14

Internal iliac a.

Front 15

Lateral sacral artery branches off of?

Back 15

Internal iliac a.

Front 16

Superior gluteal a. branches off of?

Back 16

Internal iliac a.

Front 17

Inferior gluteal a. branches off of?

Back 17

Internal iliac a.

Front 18

What gives branches to the superior vesical aa?

Back 18

Umbilical a.

Front 19

Superior vesical aa supply what structure?

Back 19

Urinary bladder

Front 20

3 largest branches off of the internal iliac a?

Back 20

1) Superior gluteal a.
2) Inferior gluteal a.
3) Internal pudendal a.

Front 21

Nerve roots of pudendal n?

Back 21

S2-S4

Front 22

Superior rectal vein drains into?

Back 22

Portal vein

Front 23

Middle rectal vein drains into?

Back 23

IVC

Front 24

Inferior rectal vein drains into?

Back 24

IVC

Front 25

aa. to wall of pelvis?

Back 25

1) Iliolumbar
2) Lateral sacral

Front 26

aa that exit to lower limb?

Back 26

1) Superior gluteal
2) Inferior gluteal
3) Obturator a.

Front 27

aa. that exit perineum?

Back 27

1) Internal pudendal a -> inferior rectal a.

Front 28

aa. to pelvic viscera?

Back 28

1) Umbilical a -> superior vesicle a.
2) Inferior vesical a (male)./Uterina a. (female)
3) Middle rectal a.

Front 29

Gonads receive blood from?

Back 29

Abdominal aorta

Front 30

Rectum receives additional blood from (beside inferior and middle rectal a.)?

Back 30

Inferior mesenteric a. (superior rectal a.)

Front 31

Posterior scrotal n. is a branch of?

Back 31

Perineal n.

Front 32

Ischioanal fossa contains?

Back 32

1) Fat
2) Pudendal n.
3) Internal pudendal a and n.

Front 33

Spermatic cord contains?

Back 33

1) Ductus deferens
2) Testicular a.
3) Pampiniform plexus

Front 34

Path of sperm out of testicle?

Back 34

Semineferous tubules -> Rete testis -> efferent ductules -> Epididymis -> ductus deferens

Front 35

(males) perineal pouch of urogenital traingle contains

Back 35

1) Fat
2) Bulbourethral Gland (deep pouch)
3) Sphincter urethrae (deep)
4) Erectile tissue + associated mm. (superficial pouch)

Front 36

Contents of the male superficial perineal pouch?

Back 36

1) Bulbospongiousus m.
2) Ischiocavernosus m
3) Superficial transverse perineal m.
4) Perineal membrane

Front 37

Outer erectile tissue of penis?

Back 37

1) Corpus cavernosum
2) Corpus spongiosum

Front 38

what structure lies within the corpus spongiosum?

Back 38

Spongy urethra

Front 39

n.a.v. that lie deep to buck's fascia?

Back 39

dorsal a., dorsal n., deep dorsal v. of penis

Front 40

Layer of tissue encasing corpus cavernosum?

Back 40

Tunica albuginea

Front 41

vein that lies superficial to the deep (buck's) fascia?

Back 41

Superficial dorsal vein

Front 42

Structure that lies immediately superior to the prostate and structure immediately superior to that?

Back 42

1) Ejaculatory duct
2) Seminal vesicle

Front 43

Structures outside of the pelvis lying lateral and inferior to the prostate gland?

Back 43

Bulbourethral glands

Front 44

Pocket lying between bladder and descending colon?

Back 44

retrovesical pouch

Front 45

Parasympathetic n (and root levels) of pelvic viscera. Function in men?

Back 45

1) Pelvic splanchnic nerve (S2-S4)
2) Micturation, defecation and erection

Front 46

Sympathetic n. (and levels) of pelvic viscera? Function in males?

Back 46

1) Least and Lumbar splanchnic nn (T11-L2)
2) Ejaculation

Front 47

Somatic innervation of pelvic viscera (root levels too) and function?

Back 47

1) Pudendal n (s2-s4)
2) Controls external sphincters