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Anatomy (S2)(Unit 2) > Gross (02.25) Pelvis and Pelvic Floor > Flashcards

Gross (02.25) Pelvis and Pelvic Floor Flashcards

1
Q

region of the pelvis above the pelvic brim and whose pelvic inlet is continuous with the abdominal cavity

A

false pelvis (also known as GREATER pelvis)

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2
Q

region of the pelvis that is below the pelvic brim and whose pelvic outlet is closed off below by muscular pelvic floor

A

true pelvis (also known as the LESSER pelvis)

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3
Q

in the pelvic cavity, the bladder and rectum are considered ______

A

retroperitoneal

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4
Q

the sacrum is ___ fused sacral vertebrae

A

5

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5
Q

the os coxae are composed of what three bones?

A
  • ilium
  • ischium
  • pubis
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6
Q

what three things constitute the line terminalis?

A
  • pubic crest
  • pecten pubis
  • arcuate line

*all are continuous with the margin of the ala

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7
Q

the ischium, ilium, and pubis all come together at the _____

A

asitabilum (hip joint)

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8
Q

the pelvic brim in females is _____ and the pelvic brim in males is ____

A
  • oval

- heart shaped

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9
Q

the pelvis of females has a SHORTER _____ _____

A

pubic symphysis

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10
Q

the pelvis of females has a WIDER ____ _____

A

pubic arch

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11
Q

the pelvis of females has more FLARED ____ _____

A

iliac wings (alae)

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12
Q

the pelvis of females has more FARTHER APART ____ ____

A

ischial tuberosities

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13
Q

the sacrum of female pelvises are ___ and ____ ____

A
  • shorter

- less curved

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14
Q

what are the 6 ligaments of the pelvis?

A
  • pubic symphysis
  • anterior sacroiliac lig
  • posterior sacroiliac lig
  • sacrotuberous lig (posterior)
  • sacrospinous lig (anterior)
  • obturator membrane
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15
Q

what is the lower border of the obturater canal?

A

obturator membrane

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16
Q

what two surfaces does the sacrotuberous ligament insert?

A
  • ischial tuberosity
  • sacrum/soccyx

*lower border of lesser sciatic foramen

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17
Q

what two surfaces does the sacrospinous ligament insert?

A
  • ischial spine
  • sacrum/coccyx

*is the lower boundary of greater sciatic foramen

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18
Q

the piriformis m goes from the anterior _____ to the ____ _____ and passes behind the ____ ____ ___. it closes off the ____/____ pelvic outlet

A
  • sacrum
  • greater trochanter
  • greater sciatic notch
  • posterior/superior
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19
Q

the obturator internus m goes from the ____ ____ to the ____ _____ as is covered with thick ____ and attaches to ____ ____ as tendinous arch

A
  • obturator foramen
  • greater trochanter
  • fascia
  • levator ani
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20
Q

the obturator interns arises in the pelvis to act on the ____ ____ and passes through the ____ ____ foramen.it comes from nerve levels ___ and ____

A
  • hip joint
  • lesser sciatic
  • L5
  • S1
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21
Q

the piriformis m arises in pelvis to act on the ___ ___ and passes through the ___ ___ foramen. it comes form nerve levels ___ and ___

A
  • hip joint
  • greater sciatic notch
  • S1
  • S2
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22
Q

what are the two general mm of the pelvic floor/diaphragm

A
  • levator ani

- coccygeus

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23
Q

what are the three thin mm that make up the legator ani?

A
  • iliococcygeus
  • pubococcygeus
  • pucorectalis
24
Q

what goes through the greater sciatic foramen ABOVE the piriformis m ?

A

superior gluteal nerves and vessels

25
Q

what 4 things go through the greater sciatic foramen BELOW the piriformis m ?

A
  • sciatic n
  • inferior gluteal n
  • posterior femoral cutaneous n
  • quadratus femoris n and vessels
26
Q

what three things go through the LESSER sciatic foramen?

A
  • pudendal n
  • n to obturator internus
  • obturator internus m
27
Q

what goes through the obturator canal?

A

obturator n and vessels

28
Q

what is the purpose of puborectalis (in the legator ani)

A

m that must be relaxed in order to take a dump

29
Q

the urogential triangle of perineum allows the passage of ____ and _____ systems

A
  • urinary

- genital

30
Q

the anal triangle of perineum allows the passage of ____ and _____

A
  • rectum

- anus

31
Q

perineum is NOT part of the ___ ____

A

pelvic diaphragm

32
Q

the deep transverse perineal mm are ____/_____ to pelvic diaphragm

A

anterior/inferior

33
Q

the deep transverse perineal mm blend with the _____ mm of the ____ and _____

A
  • sphincter mm
  • urethra
  • vagina (in females)
34
Q

the ureters travel to the ______ aspect of the urinary bladder

A

posteriolateral

35
Q

in FEMALES, the ____a crosses over the ureter

A

uterine a

36
Q

in males, the ___ ____ crosses over the ureter

A

ductus deferens

37
Q

the urinary bladder consists of smooth m called ____ ____ and is supported by the ___ ____

A
  • detrusor urinae

- pelvic floor

38
Q

the urethra in females is 3.5-4cm long and pierces the ___ portion of the UG diaphragm between the ____ and ___ ____ ____

A
  • anterior
  • bladder
  • external urethral oriface
39
Q

what are the 4 parts of the MALE urethra?

A
  • preprostatic
  • prostatic
  • membranous
  • spongy
40
Q

the rectum is located in the ___ pelvis and is ___ to pelvic floor. is is normally constricted by the _____ m

A
  • true
  • superior
  • puborectalis m (in levator ani)
41
Q

the anal canal is continuous with the rectum at _____ junction and produces ____ there. it must ____ in order to produce defecation

A
  • anorectal junction
  • curvature (perirenal flexure)
  • relax
42
Q

what are the primary male reproductive organs?

A

-testes

43
Q

the spermatic cord is a ____ ____ derived from the anterior abdominal wall that surrounds the ___ ___ and _____ ____

A
  • fascial sheath
  • ductus deferens
  • testicular vessels and nerves
44
Q

the ___ ___ join the vas deferens to form ___ ducts before emptying into the prostatic urethra

A
  • seminal vesicles

- ejaculatory ducts

45
Q

walnut sized glands in males that are found between the bladder and UG diaphragm

A

prostate gland

46
Q

2 pea sized glands found in males within the UG diaphragm that empty into penile urethra

A

bulbourethral (cowper’s) gland

47
Q

what are the three layers of the tunica vaginalis in the testes of males?

A
  • parietal layer
  • cavtiy
  • visceral layer
48
Q

primary female reproductive organ

A

ovaries

49
Q

the uterine (fallopian) tubes are ____ tubes that are ____ ____ from peritoneal cavity to uterus

A
  • muscular

- open channels

50
Q

the cervix opens to the uterus as the ____ ___ and opens to the vagina as the ___ ____

A
  • internal os

- external os

51
Q

circular gutter surrounding cervix

A

vaginal fornix

52
Q

peritoneum covering ovarian vessels and nerves

A

suspensory lig of the uterus

53
Q

peritoneum covering uterus and adnexa

A

broad lig of the uterus

54
Q

anchors ovary to uterus

A

ovarian lig

55
Q

continuation of the ovarian lig that passes through inguinal canal to fuse with labia majora

A

round lig of uterus

Anatomy (S2)(Unit 2) (14 decks)

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