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Term 2: Gross Anatomy > Pelvis > Flashcards

Pelvis Flashcards

1
Q

What bones make up the pelvic girdle?

A
  • ilium
  • ischium
  • pubis
  • sacrum
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2
Q

What makes up the Greater (False) pelvis? What is it occupied by?

A
  • it is superior to the pelvic inlet

- Occupied by abdominal Viscera

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3
Q

What makes up the lesser (True) pelvis? What is it occupied by?

A
  • Between pelvic inlet and outlet
  • occupied by pelvic viscera and deep perineum
  • the floor is the pelvic diaphragm
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4
Q

What is the ischioanal fossa?

A

-A large fascia-lined wedge shaped space between skin and anal region/pelvic diaphragm

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5
Q

What are the nerve roots of the pudendal nerve?

A

S2-4

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6
Q

What does the pudendal nerve do?

A
  • sensory afferents from external genitalia and skin around anus and perineum
  • motor supply to external uretrhal and anal sphincters
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7
Q

What are the three branches of the pudendal nerve?

A
  • inferior anal nerve
  • perineal nerve
  • dorsal nerve of the penis/clitoris
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8
Q

What are the three branches of the pudendal artery?

A
  • Inferior rectal
  • perineal artery
  • dorsal artery of penis/clitoris
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9
Q

What does the pudendal artery supply?

A

-main artery of perineum including muscles and skin of anal & urogenital triangles and erectible bodies

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10
Q

What ligament attaches the anal canal to the coccyx?

A

-the anococcygeal ligament

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11
Q

Describe the blood supply to the scrotum.

A
  • anterior scrotal arteries of femoral origin

- Posterior scrotal arteries of pudendal origin

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12
Q

Describe the nerve supply to the scrotum.

A

Anterior:

  • ilioinguinal (L1)
  • Genitofemoral (L1-2)

Posterior:
-Superficial perineal (S2-4)

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13
Q

What are the two parts of the root of the Penis?

A
  • Two crura of the penis

- the bulb of the penis

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14
Q

Describe the Ligaments of the penis.

A
  • Suspensory ligament: forms sling to anchor the root to the pubic symphysis
  • Fundiform ligament descends from linea alba to blend into dartos fascia, forming a scrotal septum
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15
Q

What are the deep arteries of the penis called in the flaccid state?

A

-Helicine arteries of the penis

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16
Q

What artery supplies blood flow to the skin of the penis?

A

-Branches of the femoral artery

17
Q

What is the parasympathetic innervation of the penis?

A

-pelvic splanchnics (S2-4) to the helicine arteries

18
Q

What are the three features of the Anal Triangle?

A
  • ischioanal fossa
  • Pudendal canal
  • Anal Canal
19
Q

What does the prostate gland empty into?

A

-the prostatic sinus of the urethral crest

20
Q

What does the ejaculatory ducts empty into?

A

-either side of the prostatic utricle of the urethral crest

21
Q

What is a forward angle between the vagina and cervix called?

A

Anteversion

22
Q

What is a forward angle between the cervix and the body of the uterus called?

A

-anteflexion

23
Q

What three structures are palpable in the lateral fornix?

A
  • ischial spine
  • uterine artery
  • Ureter
24
Q

What structures are palpable from the rectal exam?

A
  • prostate

- seminal vesicles

25
Q

What space allows the bladder to distend inferiorly?

A

-retropubic space

26
Q

Where are the seminal vesicles in releation to the ampullae of the ductus deferens?

A

-laterally

27
Q

What are the three levels of pelvic support?

A
  • suspension
  • attachment
  • fusion
28
Q

What are the branches of the posterior division of the internal iliac artery?

A
  • Ilio-lumbar
  • Lateral Sacral
  • Superior Gluteal
  • (sometimes inferior gluteal)
29
Q

Where does the ureter run in relation to the uterine and vaginal arteries?

A

-ureter runs between the uterine and vaginal arteries

30
Q

What does the uterine artery anastamose with?

A

-the ovarian artery

31
Q

What spinal cord levels does the pudendal nerve arise from?

A

S2-4

32
Q

Where does lymph from the superior rectum drain?

A

Inferior Mesenteric Lymph Nodes

33
Q

Where does lymph from the Middle Rectum drain?

A

Internal Iliac Lymph Nodes

34
Q

Where does uterine pain refer to?

A

upper back

35
Q

Where does lymph from the Inferior rectum drain?

A

-Internal Iliac Lymph nodes

36
Q

Where does lymph from the anal region below the pectinate line drain?

A

-Suerficial inguinal node

37
Q

Where does lymph from the Testes drain?

A
  • Paraaortic Lymph Nodes

- Level of L1

38
Q

What is Alcock’s Canal?

A

-tunnel within obturator internus fascia, through which the obturator Nerve, artery, and Vein run

Term 2: Gross Anatomy (5 decks)

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