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SHB - Exam 2 > Pelvis > Flashcards

Pelvis Flashcards

1
Q

What two bony structures does the inguinal ligament connect to?

A
  1. ASIS

2. Pubic Tubercle

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2
Q

What rests on top of the PIRIFORMIS muscle?

A

Sacral Plexus (L4,L5, S1, S2, S3, S4)

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3
Q

The performs travels through the GREATER SCIATIC FORAMEN to the Greater trochanter of the Femur? What is its function?

A

Piriformis

LATERAL ROTATOR OF THE THIGH

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4
Q

What two muscles insert onto the Greater Trochanter? Onto the lesser trochanter?

A
  1. Obturator & Piriformis

2. Iliacus M. & Psoas Major

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5
Q

What innervates the Obturator Internus? What is the function of this muscle?

A

Nerve to Obturator Internus

fx: LATERAL ROTATOR

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6
Q

What innervates the Piriformis muscle?

A

Ventral Rami L5, S1, S2

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7
Q

What nerve innervates Psoas & Iliacus?

A
  1. Psoas = Ventral Rami of L1

2. Iliacus = FEMORAL N.

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8
Q

What two muscles form the pelvic diaphragm?

A
  1. Coccygeus Muscle

&

  1. Levator Ani
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9
Q

What is the mnemonic for the order of vessels & nerve in regards to Femoral Nerve?

A

NAVL
(from lateral to medial)

Femoral Nerve
Femoral Artery
Femoral Vein
Lymphatics*

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10
Q

What structures pass through the Obturator Canal? Where is the nerve passing through this canal found in relation to the PSOAS muscle?

A

Obturator Nerve & Artery

  • found MEDIAL to Psoas Major
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11
Q

The limbo sacral trunk is the first section of the Sciatic Nerve. What lumbar branches make up this trunk?

A

L4 & L5

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12
Q

What is the nerve responsible for the sex organs?

A

PUDENDAL NERVE

  • S2,3,4 keeps the junk off the floor*
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13
Q

What is everything ABOVE the Piriformis muscle? Below?

A

Above = Superior Gluteal Nerve & Artery

BELOW = Inferior Gluteal

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14
Q

What muscle makes a 90 degree turn out the lesser sciatic foramen to the Greater Trochanter?

A

OBTURATOR muscle

  • sits over Obturator Foramen
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15
Q

What provides the ADDED support to the Pelvic Diaphragm? ( reinforces Levator Ani & Coccyges)

A

UROGENITAL Diaphragm

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16
Q

What artery becomes the FEMORAL Artery once it crosses the Inguinal Ligament?

A

EXTERNAL ILIAC

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17
Q

What artery is found between the Lumbosacral Trunk & S1 root, which leaves out the Greater Sciatic Foramen?

A

Superior Gluteal Artery

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18
Q

What artery leaves the Greater Sciatic foramen, loops around the Sacrospinous Ligament, and returns back through the Lesser Sciatic Foramen?

A

Internal Pudendal Artery

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19
Q

What is the largest artery that also provides the Medial umbilical Fold? What division of the Internal Iliac A. is it?

A

UMBILICAL ARTERY

  • ANTERIOR DIVISION
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20
Q

What arteries are part of the posterior division of the Internal Iliac? Of the ANTERIOR?

A

Posterior:

  1. Iliolumbar
  2. Lateral Sacral
  3. Superior Gluteal

Anterior:

  1. Umbilical
    - Superior Vesicle
  2. Obturator
  3. Inferior Vesicle (Vaginal & Uterine A in female*** test)
  4. Middle Rectal
  5. Inferior Gluteal
  6. Internal Pudendal A.
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21
Q

What artery is not found in females but instead is the Vaginal & Uterine Artery in females?

A

Inferior Vesicle

replaced by Uterine A.

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22
Q

Where does the Superior Rectal, Middle Rectal, & Inferior Rectal Originate from?

A

Superior Rectal = IMA

Middle Rectal = Anterior Division of Internal Iliac

Inferior Rectal = off of INTERNAL PUDENDAL

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23
Q

Which artery is found on the anterior abdominal wall?

A

Umbilical Artery

24
Q

What branch does the EXTERNAL ILIAC send off?

A

Inferior Epigastric*

25
Q

What are the two important ligaments that form the Greater & Lesser Sciatic Notch?

A
  1. Sacrotuberous

2. Sacrospinous

26
Q

What is a site of possible infection in the female?

A

Recto-uterine Pouch of Douglas**

27
Q

The Pelvic Splanchnics are parasympathetic or sympathetic?

A

PARASYMPATHETIC

  • pee & stop
  • poo & stop
    POINT & SHOOT (sympathetic)
28
Q

Is the Superior Hypogastric Plexus sympathetic or parasympathetic?

A

SYMPATHETIC

29
Q

Everything in the bladder is composed from ENDODERM except the _____ which is which layer?

A
  1. TRIGONE

- MESODERM***

30
Q

Nerve supply to the bladder is
Pelvic Plexus which is (parasympathetic/sympathetic) & Pelvic Splanchnics which are (parasympathetic/sympathetic)? CHOOSE ONE

A

Pelvic Plexus = Sympathetic

Pelvic Splanchnics = PARASYMPATHETIC

31
Q

The vas deferent enters through the deep ring or superficial ring?

A

DEEP

32
Q

What is located lateral to vas deferent and superior to prostate?

A

SEMINAL VESICLES

33
Q

The true pelvis is pelvis major or pelvis minor?

A

PELVIS MINOR

34
Q

What ar the 3 contents of the pelvis?

A
  1. Rectum
  2. Bladder
  3. Uterus/Vagina (females) or Prostate Gland (males)
35
Q

What Nerves & Arteries travel through the Lesser Sciatic Foramen?

A

Pudendal Nerve & Artery

36
Q

What two muscles are the lateral rotators of the thigh?

A

Piriformis & Obturator Internus

37
Q

What is found above the arcuate line of the pelvis? Below?

A

ABOVE = FALSE pelvis

Below = TRUE pelvis

38
Q

What muscle sits on the

  1. Posterior Pelvic wall
  2. Lateral Pelvic Wall
  3. forms the FLOOR of the pelvic cavity
A
  1. Posterior = Piriformis*
  2. Lateral = Obturator
  3. Floor = Levator Ani + Coccyges (DIAPHRAGM)
39
Q

What transmits the obturator Nerve & artery?

A

OBTURATOR CANAL in the Obturator Foramen

40
Q

What is the name of the tendinous arch where the Levator Ani Muscle intersects the Obturator Muscle?

A

ARCUS Tendineus

41
Q

Where does coccyges originate from? Obturator INternus? Performis?

A
  1. SACROSPINOUS Lig.
  2. Obturator Foramen (to greater trochanter)
  3. Anterior surface of sacrum (t greater trochanter)
42
Q

Piriformis Muscle goes out through the _______ Foramen, to _____ rotate the thigh.

A

GREATER SCIATIC FORAMEN (attach to Greater Trochanter)

  • LATERAL ROTATOR of the thigh*
43
Q

When the mesentery is lost, the colon is called the ___

A

RECTUM

44
Q

What is the blood supply to the Rectum?

A
  1. Superior Rectal ( IMA)
  2. Middle Rectal (Internal Iliac - Anterior Division)
  3. Inferior Rectal (Internal Pudendal)
45
Q

What porto-systemic anastomoses causes hemerrhoids due to hypertension in the venous system?

A

RECTAL VARICES

= Superior, Middle & Inferior Rectal Veins

46
Q

What forms the hypogastric plexus?

A

Pelvic Splanchnics & Superior Hypogastric (R&L hypogastric Nerves)

47
Q

What is the blood supply to the bladder?

A

Superior Vesicle (off of Umbilical A. ) & Inferior Vesicle (Or Uterine A. in females)

48
Q

What does the PROSTATE provide that combats the acidic environment of the vagina?

A

ALKALINE SOLUTION through the Colliculus (little openings)

Vagina has a low pH to help fight bacteria

49
Q

The vas & the seminal vesicles form the ______

A

EJACULATORY DUCT

vas deferens enters thru deep inguinal ring

50
Q

Where is the seminal vesicle located?

A

Superior to prostate, lateral to VAS DEFERENS

51
Q

What looks like chewed bubble gum?

A

SEMINAL VESICLE

52
Q

What is the course of sperm?

A

vas–> seminal vesicle –> ejaculatory duct –> prostatetic urethra –> membranous urethra –> spongy urethra

53
Q

What are the two bends of the uterus?

A

Anteversion

Anteflexion

54
Q

What are the ligaments of the uterus? What ligament has all the blood vessels to the uterus and is LATERALLY spaced? Which is medial?

A

BROAD LIGAMENT

Msovarium
Mesosalpinx

  1. SUSPENSORY LIGAMENT**
  2. Ovarian LIgament**
55
Q

What vacuums up the OVA?

A

Fimbria

  • can get an ectopic pregnancy*
56
Q

What is the mnemonic “water under the bridge”?

A

The uterine artery travels OVER the Ureter

  • important for Hysterectomy
57
Q

What are the 4 parts of the uterine tube?

A
  1. Isthmus
  2. Ampulla
  3. Infundibulum
  4. Fimbria

SHB - Exam 2 (21 decks)

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