Block 3 Pelvic Bones & Rectum

Front 1

Pelvic cavity is enclosed inferiorly by what?

Back 1

Pelvic diaphragm

Front 2

What is the deficit in the pelvic diaphragm?

Back 2

Perineum

Front 3

Area from front of sacrum to top of pubic symphysis is:

Back 3

Pelvic inlet

Front 4

Area from Coccyx to bottom of pubic symphysis

Back 4

Pelvic outlet

Front 5

Pelvic inlet is pointing:

Back 5

Posteriorly

Front 6

True pelvis

Back 6

Between pelvic outlet and inlet

Front 7

True pelvis houses BURP

Back 7

Bladder
Uterus
Rectum
Prostate

Front 8

False pelvis

Back 8

Above pelvic inlet, housed by iliac crest

Front 9

Items crossing over ureter:
-Proximally
-Distally

Back 9

-Testicular a.
-Ductus deferens

Front 10

Inguinal triangle boundaries

Back 10

Rectus abdominus
Inferior epigastric a.
Inguinal ligament

Front 11

Herniation outside of inguinal triangle

Back 11

Indirect

Front 12

Herniation inside of inguinal triangle

Back 12

Direct

Front 13

Lumbosacral plexus made of ____; becomes

Back 13

VPR; sciatic n.

Front 14

Ala of the sacrum is continuous with ___, ____, ____

Back 14

Ala of ilium, arcuate line, superior pubic ramus

Front 15

Perinum is suspended from

Back 15

Ischiopubic ramus

Front 16

Sacroiliac ligament attached to

Back 16

Ischial tuberosity

Front 17

Sacrum formed by ___ fused vertebrae

Back 17

5

Front 18

Coccyx formed by ___ fused vertebrae

Back 18

4+

Front 19

Greater sciatic foramen closed by

Back 19

Sacrospinous ligament

Front 20

Lesser sciatic foramen closed by

Back 20

Sacrospinous & sacrotuberous ligament

Front 21

Structures traveling through LSF (OPP)

Back 21

Tendon of obturator internus
Internal pudendal a.
Pudendal n.

Front 22

Ligaments holding sacrum down

Back 22

Sacrotuberous, sacrospinous

Front 23

Iliolumbar ligaments attaches ____ to ____

Back 23

5th lumbar transverse process to wing of ilium

Front 24

Limitations of pelvic outlet

Back 24

Sacrotuberous ligament
Ischiopubic ramus

Front 25

What muscle lies over sacrospinous ligament

Back 25

Coccygeus

Front 26

Most internal muscles of lateral wall of pelvic

Back 26

Obturator internus m.
Levator ani

Front 27

Levator ani
-O
-I
-A
-N
-V

Back 27

-Arcus tendineus levator ani, posterior pubis, ischial spine
-anococcygeal raphe and coccyx
-part of pelvic diaphragm
-S3-S4
-Inferior gluteal a.

Front 28

Coccygeus m.
-O
-I
-A
-N
-V

Back 28

-Ischial spine
-Side of coccyx/lower sacrum
-part of pelvic diaphragm
-S3-S4
-Inferior gluteal a.

Front 29

Pelvic diaphragm muscles

Back 29

-Levator ani
-Coccygeus

Front 30

Pudendal n. runs along ____ m.

Back 30

Obturator internus

Front 31

Obturator internus
-O
-I
-A
-N
-V

Back 31

-Obturator membrane
-Greater trochanter
-Laterally rotate, abduct thigh
-N. to obturator internus
-Obturator a.

Front 32

What is the thickened fascia of obturator interuns

Back 32

Arcus tendineus levator ani

Front 33

Only thing violating the pelvic diaphragm (2)

Back 33

GI tract
Urogential tract

Front 34

Posterior wall of pelvic cavity formed by

Back 34

Piriformis

Front 35

What vessels run along pelvic brim

Back 35

External iliac a. and v.

Front 36

Sacrogenital fold

Back 36

Fold from sacrum to back of bladder/uterus

Front 37

Contect of rectovesicular pouch

Back 37

-Male rectum
-Female uterus

Front 38

When rectum becomes anal canal

Back 38

When it goes through pelvic diaphragm

Front 39

What creates a sling around rectum, pulling it posteriorly

Back 39

Levator ani

Front 40

Part of ____ anal sphincter is continuous with pelvic diaphragm

Back 40

external

Front 41

hemorrhoidal veins located

Back 41

under anal columns

Front 42

Hemorrhoidal veins anastomoses with ___ and ___ veins

Back 42

Superior rectal v. (portal); inferior internal pudendal v. (caval)

Front 43

Hemorrhoids are expansions of

Back 43

Hemorrhoidal veins

Front 44

Rough line of transition from parasympathetic innervation of anal canal to sympathetic innervation

Back 44

White line (below pectinate line)

Front 45

Innervation above white line

Back 45

VA

Front 46

Innervation below white line

Back 46

SA

Front 47

Internal, non-painful hemorhoids are located

Back 47

Above white line

Front 48

External, painful hemorhoids are located

Back 48

Below white line

Front 49

Esophageal region
-Portal v.
-Caval v.

Back 49

-Esophageal branch of L gastric
-Esophageal branch of azygos

Front 50

Rectal region
-Portal v.
-Caval v.

Back 50

Superior rectal v.
Middle/inferior rectal v.

Front 51

Paraumbilical region
-Portal v.
-Caval v.

Back 51

Paraumbilical v.
Superficial epigastric v.

Front 52

Retroperitoneal region
-Portal v.
-Caval v.

Back 52

Right, middle, left colic
-Renal, suprarenal, gonadal

Front 53

Hepatic portal v. tributaries
MGMCS

Back 53

Superior mesenteric
Gastric
Inferior mesenteric
Celiac
Splenic veins
Cystic veins.

Front 54

Patent ductus venosum
-Portal circulation
-Caval

Back 54

Portal
Caval

Front 55

Superior rectal a. branches from

Back 55

Continuation of internal iliac

Front 56

Inferior rectal a. branches from ____, which branches from ____

Back 56

Pudendal; internal iliac

Front 57

What delineates superior from inferior rectal

Back 57

Pelvic diaphragm

Front 58

Anastomoses between superior and inferior rectal

Back 58

in anal colums

Front 59

rectal a. aka

Back 59

hemorrhoidal

Front 60

Which rectal is part of the portal system

Back 60

Superior rectal

Front 61

Rectum is innervated by

Back 61

Pelvic splanchnics S1-3

Front 62

Hypogastric plexus supplies:

Back 62

Hindgut; pelvis

Front 63

Hirschsprung's

Back 63

Lack of parasympathetic neurons (postgang sacral) in wall of hind gut

Front 64

Internal anal sphincter innervated by

Back 64

Hypogastric plexus

Front 65

Lumbar splanchnics participate in _____ and ____

Back 65

Inferior mesenteric ganglion; hypogastric plexus

Front 66

Superior hypogastric plexus location

Back 66

In front of aortic bifurcation

Front 67

Inferior hypogastric plexus location

Back 67

In pelvis itself

Front 68

Hypogastric n. connects:

Back 68

Superior and inferior hypogastric

Front 69

All splanchnics are sympathetic except

Back 69

Pelvic