Anatomy Test 3: Pelvis

Front 1

Are Pelvic Viscera Retroperitoneal?

Back 1

No, all Pelvic Viscera lie outside the Peritoneal Cavity

Front 2

Peritoneal Pouches around Uterus

Back 2

Vesicouterine pouch anterior
Rectouterine pouch posterior
Pararectal Fossae on either side of rectum

Front 3

Lowest point of Peritoneal Cavity in Women?

Back 3

Rectouterine pouch or Pararectal Fossae

Front 4

Rectovesical Pouch

Back 4

separates bladder from upper 2/3 of rectum in males
lowest point of Peritonuem, or Pararectal Fossae

Front 5

Supravesical Fossae

Back 5

formed by reflection of peritoneum b/t bladder and Anterior body wall

Front 6

Paravesicular Fossae

Back 6

either side of partially filled bladder

Front 7

Broad Ligament of Uterus

Back 7

Uterus and Uterine Tubes are engulfed in double layer of peritoneum, "Broad Ligament"

Front 8

Rectum

Back 8

partially Retroperitoneal, partially Subperitoneal

Front 9

Ureters

Back 9

Retroperitoneal
enter bladder on posterolateral side
Passively blocks ureters when bladder is full

Front 10

Ureter blood supply/innervation

Back 10

T11-L2
small branches of common iliacs, inferior vesical arteries
in females, Ureteric Branch from Uterine artery

Front 11

Puboprostatic Ligament

Back 11

men
attaches bladder via prostate gland to pubis

Front 12

Pubovesical Ligament

Back 12

Women
attaches bladder to pubis

Front 13

Bladder Anatomy

Back 13

Urachus: located at apex
Urethra at neck
Trigonal muscle is confined to smooth Trigone area inside bladder

Front 14

Bladder Innervation

Back 14

Vesical Plexus, an anterior extension of Inf. Hypogastric

Front 15

Parasympathetic Innervation of Bladder

Back 15

Pelvic Splanchnic (S2-4)-reflex of emptying bladder
motor to Detrusor Muscle

Front 16

Sympathetic Innervation of Bladder

Back 16

found in trigone area
used in contraction of internal urethral sphincter in male ejaculation

Front 17

Afferent Innervation of Bladder

Back 17

pain from full bladder is felt through afferents in parasympathetic innervation

Front 18

Bladder Arterial Supply

Back 18

Sup. and Inf. vesical
Vaginal and Deferential

Front 19

Female Urethra

Back 19

shorter
has no internal urethral sphinchter, but has external

Front 20

Paraurerthral Glands

Back 20

homologs of Prostate in women

Front 21

Urethral Crest

Back 21

Median crest of Prostatic Urethra

Front 22

Prostatic Sinuses

Back 22

either side of Urethral Crest

Front 23

Prostatic Ducts

Back 23

open into Prostatic Sinuses

Front 24

Prostatic Utricle

Back 24

homolog of vagina
found in seminal colliculus

Front 25

Ejaculatory Ducts

Back 25

open into urethra on either side of prostatic Utricle

Front 26

Internal/External urethral sphinchter in men

Back 26

internal-involuntary
external-voluntary

Front 27

Arterial Supply of Rectum

Back 27

Sup. rectal.: branch of Inf. Mesenteric
middle rectal: branch of I. Iliac
Inf. rectal: branch of Internal Pudendal

Front 28

Venous Drainage of Rectum

Back 28

Inf. Rectal: drains into Internal Pudendal
Middle rectal: drains into I. Iliac
Sup. Rectal: drains into Inf. Mesenteric

Front 29

Innervation of Rectum

Back 29

Symp: goes to blood vessels
Para: primary motor and pain reception
-Pelvic Splanchnics S2-4

Front 30

Zones of Anal Canal

Back 30

Cutaneous-most Inf.
Intermediate: middle, contains pectinate line
True Mucous Membrane: most Sup.

Front 31

Epididymis

Back 31

cellular maturation of sperm
connected to ductus deferens

Front 32

Ductus Deferens (vas Deferens)

Back 32

ascends through spermatic cord to inguinal canal, entering abdomen through deep inguinal ring
crosses medially toward bladder, going superior to ureter
joins w/ seminal vesicle to form ejaculatory duct

Front 33

Innervation and blood supply of Ductus Deferens

Back 33

Artery to ductus deferens
autonomic from Inf. Hypogastric Plexus

Front 34

Seminal Vesicle

Back 34

secrete fructose rich compound to provide sperm energy
lies b/t rectum and bladder
joins with vas deferens to form ejaculatory duct

Front 35

Ejaculatory ducts

Back 35

formed from seminal vesicles and vas deferens

Front 36

Prostate Gland

Back 36

produces prostatic fluid, 20% of semen volume
activates sperm
Inf. to bladder, rests on perineal membrane

Front 37

Lobes of Prostate

Back 37

2 lateral lobes
1 anterior lobe
1 middle lobe
1 posterior lobe

Front 38

Prostate Arterial Supply/Innervation

Back 38

Prostatic branches from Inf. Vesical and Middle Rectal
Inf. Hypogastric Plexus

Front 39

Bulbourethral Glands

Back 39

embedded in external urethral sphinchter
secretions make up a small amount of semen volume

Front 40

Ejaculation Pathway

Back 40

Sperm from Testes-->Epididymis-->Ductus Deferens-->Seminal Gland secretion-->Ejaculatory Duct-->Prostatic Urethra (prostatic secretions)-->Bulbourethral Gland secretions

Front 41

Ovary

Back 41

female gonads
attached to Uterus through Ovarial Ligament

Front 42

Uterine Tubes (fallopian tubes)

Back 42

conduct egg from Ovary to Uterus
Fert. usually occurs in Fallopian Tubes

Front 43

Uterus

Back 43

normally Anteflexed and Anteverted
Fundus: rounded upper segment
Body: uterine tubes enter
Isthsmus: narrow part b/t body and cervix
Cervix: narrow, opens into vagina

Front 44

Uterus Artery supply

Back 44

Uterine arteries from Internal Iliac

Front 45

Vagina

Back 45

usually collapsed
Cervix protrudes in, forming Fornices
opens into the Vaginal Vestibule
connected to Urethra through External Sphinchter

Front 46

Vagina blood supply/innervation

Back 46

vaginal branches from uterine, vaginal, and internal pudendal
Pelvic portion innervated by Uterovaginal plexus
Perinal portion innervated by pudendal nerve

Front 47

Os Coxal

Back 47

hip bones

Front 48

Obturator Foramen

Back 48

formed by Ischium and Pubis
round in males, triangular in females

Front 49

Anterior Longitudinal Ligament

Back 49

starts at C1, found on anterior aspect of sacrum

Front 50

Pelvic Diaphragm

Back 50

made of Levator Ani and Coccygeus

Front 51

Levator Ani

Back 51

Puborectalis: reinforces action of sphincters of anal canal and vagina
Pubococcygeus: supports anal canal, vagina and urethra in women
Iliococcygeus:

Front 52

Coccygeus

Back 52

posterior to Iliococcygeus
attaches to spine of ischium and coccyx and lower sacrum