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Exam 4 Anatomy > Pelvis > Flashcards

Pelvis Flashcards

1
Q

sacroiliac

A

synovial joint

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2
Q

lumbosacral

A

secondary cartilaginous, fibrocartilaginous joint with IV disc

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3
Q

sacrococcygeal

A

secondary cartilaginous, fibrocartilaginous joint with IV disc

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4
Q

pubic symphysis

A

secondary cartilaginous joint

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5
Q

sacrospinous ligament

A

sacrum to ischial spine

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6
Q

sacrotuberous ligament

A

sacrum to ischial tuberosity

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7
Q

obturator internus

A

o-lesser pelvis, passes through lesser sciatic foramen

i-greater trochanter of femur

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8
Q

piriformis

A

o-scarum in lesser pelvis, passes through greater sciatic foramen

i-greater trochanter

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9
Q

pelvic diaphragm is made of

A

levator ani and coccygeus

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10
Q

levator ani made up of

A

puborectalis
pubococcygeus
iliococcygeus

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11
Q

puborectalis

A

muscular sling arising from pubis, maintains fecal continence

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12
Q

pubococcygeous

A

from pubis and tendinous arch, attaching to coccyx

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13
Q

iliococcygeous

A

from tendinous arch and ischial spine, blends with pubococcygeus

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14
Q

coccygeous

A

ischial spine to coccygeus/sacum

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15
Q

female urethra

A
  • descends anterior to vagina (partly pelvic, partly perineal)
  • urine exits via external urethral orifice
  • glands exist adjacent to urethra (will discuss in perineum)
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16
Q

male urethra

A

• much longer and more complex than in females
• 2 urethral curves in flaccid penis; 1 in erect penis
-4 parts

17
Q

specializations of prostatic urethra

A
  • Urethral crest – median ridge
  • Seminal colliculus – rounded eminence
  • Prostatic utricle – cul-de-sac remnant of uterovaginal canal in seminal colliculus
  • Openings of ejaculatory ducts in seminal colliculus (inferior to prostatic utricle)
  • Openings of prostatic ducts – lateral to seminal colliculus
18
Q

extraperitoneal or subperitoneal

A

technically outside or below the peritoneal cavity; this includes most pelvic viscera

19
Q

primarily retroperitoneal

A

kidneys, ureters, rectum, anal canal; additionally the male prostate, seminal vesicles, & vas deferens

20
Q

intraperitoneal

A

uterus, ovaries, uterine tubes

21
Q

anterior division of internal iliac branches

A
  • umbilical
  • obturator
  • inferior vesicular
  • middle rectal
  • internal pudendal
  • inferior gluteal
  • uterine
22
Q

umbilical a branch

A

superior vesicular which goes to ductus deferens

23
Q

uterine a branch

A

vaginal a

24
Q

posterior division of internal iliac branches

A
  • iliolumbar
  • lateral sacral
  • superior gluteal
25
Q

inguinal nodes

A

receives lymph from lower limbs & lowest body wall (including external genitalia)

26
Q

external and internal iliac nodes

A

receive lymph from pelvis & inguinal nodes

27
Q

common iliac nodes

A

receive lymph mainly from external & internal iliac nodes

28
Q

lumbar nodes

A

receive lymph from common iliac nodes

29
Q

lumbosacral trunk n

A

L4-L5

30
Q

obturator n

A

L2-L4

31
Q

accessory obturator

A

L3-L4

32
Q

Sacral plexus

A
  • sciatic
  • pudendal
  • superior gluteal
  • inferior gluteal
33
Q

sciatic n

A

sacral plexus
L4-S3
supplies lower limb

34
Q

pudendal n

A

sacral plexus
S2-S4
supplies skin and muscles of perineum, main sensory nerve for external genitalia

35
Q

superior gluteal n

A

sacral plexus
L4-S1
supplies gluteus medius, minimus, tensor fascia latae

36
Q

inferior gluteal n

A

sacral plexus
L5-S2
supplies gluteus maximus

37
Q

sympathetics in pelvis

A

arise from T11-L2, pass through sympathetic chain, synapse in inferior mesenteric ganglion, postsynaptics travel through superior hypogastric plexus

38
Q

parasympathetics in pelvis

A

arise from S2-S4 pelvic splanchnics, go through inferior and superior hypogastric plexuses, synpase in ganglia in organ/gut plexus, short postsynaptic fibers

Exam 4 Anatomy (8 decks)

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