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Anat unit 2 > Pelvis and Pelvic Floor (7) > Flashcards

Pelvis and Pelvic Floor (7) Flashcards

1
Q

pelvis is the area of transition between _______ and _______

A

trunk and lower limbs

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2
Q

pelvic cavity is continuous with _________

A

abdominal cavity

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3
Q

transition between pelvic and abdominal cavity occurs at __________

A

pelvic inlet

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4
Q

pelvic cavity contains:

A

rectum
urinary bladder
internal genitalia

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5
Q

perineum

A

region of trunk located btw thighs

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6
Q

____________ separates pelvic cavity from perineum

A

pelvic diaphragm

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7
Q

perineum contains:

A

anal canal
urethra
external genitalia (penis, scrotum, vulva)

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8
Q

os coxae is formed by fusion of:

A

ilium
ischium
pubis

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9
Q

point of fusion of 3 os coxae bones

A

acetabulum

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10
Q

two os coxae are joined posteriorly by the:

A

sacrum

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11
Q

Pelvis is divided into 2 regions by the:

A

pelvic brim

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12
Q

_________ pelvis is above the pelvic brim and is also known as the ___________

A

false ; greater pelvis

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13
Q

__________ pelvis is below the pelvic brim and is also known as the ____________

A

true ; lesser pelvis

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14
Q

what parts make up the pelvic girdle?

A

1 sacrum

2 os coxae

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15
Q

T/F? Males have a shorter, less curved sacrum

A

False; women do

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16
Q

T/F? Ischial tuberosities are further apart in females

A

true

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17
Q

T/F? Women have more flared iliac wings (alae)

A

true

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18
Q

T/F? Women have a longer pubic symphysis

A

false; shorter

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19
Q

What structure closes off obturator foramen ?

A

obturator membrane

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20
Q

sacrospinous and sacrotuberous ligaments divide gap between sacrum and ischium into what two openings?

A

greater and lesser sciatic foramen

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21
Q

pubic arch is formed by:

A

ischiopubic rami joined by pubic symphysis

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22
Q

piriformis muscle runs from __________ to _________

A

anterior sacrum to greater trochanter of femur

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23
Q

piriformis m. passes behind what structure?

A

greater sciatic foramen

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24
Q

tendinous arch goes from __________ to __________

A

body of pubis to ischial spine

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25
Q

obturator internus m. runs from _____________ to ___________

A

obturator foramen to greater trochanter

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26
Q

The 2 muscles of the pelvic wall, obturator internus m. and piriformis m. arise in the ________ to do what action?

A

pelvis to act on hip joint

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27
Q

obturator internus m. leaves through what structure?

A

lesser sciatic foramen

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28
Q

what collective structure is largest component of pelvic diaphragm?

A

levator ani muscles

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29
Q

what structures make up the pelvic floor & perineum?

A

levator ani mm.

coccygeus m.

30
Q

function of pelvic diaphragm mm.

A

close off inferior pelvic aperture and support pelvic cavity structures

31
Q

coccygeus m. runs from ______ to ______

A

ischial spine to lower edge of lower sacrum/coccyx

32
Q

T/F? Coccygeus m.

A

ed

33
Q

levator ani arises from:

A

tendinous arch that lies over obturator internus

34
Q

this structure is found in between the two levator ani mm.

A

urogenital hiatus

35
Q

what structures pass through urogenital hiatus?

A

rectum, urethra, vagina (females only)

36
Q

what must relax to allow for defecation?

A

puborectalis m.

37
Q

direction of ureter

A

crosses ext. iliac then descends into pelvis to bladder

38
Q

________ crosses ureter in male and ________ crosses ureter in female

A

ductus deferens in male

uterine a. in female

39
Q

urinary bladder is lined by what type of muscle?

A

detrusor urinae smooth muscle

40
Q

rectum is normally constricted by what structure?

A

puborectal sling

41
Q

female urethra pierces what structure?

A

anterior portion of UG diaphragm

42
Q

female urethra sits between which two structures?

A

bladder and external urethral orifice

43
Q

what is the perineal flexure?

A

curvature produced at anorectal junction where anal canal is continuous with rectum

44
Q

joins vas deferens to form ejaculatory duct ; empties into prostatic urethra

A

seminal vesicles

45
Q

between what two structures is the prostate gland located?

A

bladder and UG diaphragm

46
Q

where is bulbourethral gland located?

A

in UG diaphgram

47
Q

where does bulbourethral gland empty?

A

penile urethra

48
Q

vas deferens and testicular nn. and vv. are surrounded by what structure?

A

spermatic cord

49
Q

spermatic cord runs from ________ to ________

A

inguinal canal to scrotum

50
Q

fascial sheath of spermatic cord is derived from where?

A

anterior abdominal wall

51
Q

round ligament of uterus follows a path similar to what male structure?

A

vas deferens

52
Q

this female structure is responsible for transport of ovum to uterus

A

fallopian tube

53
Q

what is the usual position of the uterus?

A

anteverted and at R angle to vaginal canal

54
Q

inferior neck of uterus that protrudes into vaginal canal

A

uterine cervix

55
Q

internal os

A

where cervix opens to uterus

56
Q

external os

A

where cervix opens to vagina

57
Q

this structure is a circular gutter surrounding cervix and is deeper posterior than anterior

A

vaginal fornix

58
Q

what are the 4 uterine ligaments?

A

suspensory ligament
broad ligament
ovarian ligament
round ligament

59
Q

this uterine ligament is a continuation of the ovarian ligament and passes through inguinal canal to fuse with labia minora

A

round ligament

60
Q

this uterine ligament anchors ovary to uterus

A

ovarian ligament

61
Q

this uterine ligament is peritoneum covering uterus and adnexa

A

broad ligament

62
Q

this uterine ligament is peritoneum covering ovarian blood vessels and nerves where they cross pelvic brim, beneath pelvic brim to lateral pole of ovary

A

suspensory ligament`

63
Q

T/F? Perineum is a part of the pelvic diaphragm

A

False

64
Q

Where is UG diaphragm located in reference to pelvic diaphragm?

A

anterior inferior

65
Q

UG diaphragm is composed of what?

A

deep transverse perineal mm.

66
Q

UG diaphragm extends from where to where?

A

between 2 pubic arches

67
Q

Where does UG diaphragm attach?

A

posteriorly to perineal body

68
Q

T/F? Urinary bladder is covered by peritoneum

A

True

69
Q

U-shaped puborectalis muscle

A

puborectal sling

70
Q

produce ova and female hormones

A

ovaries

71
Q

primary female reproductive organ

A

ovaries

Anat unit 2 (9 decks)

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