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SP14 Anatomy > EX2 Pelvis and Pelvic Floor > Flashcards

EX2 Pelvis and Pelvic Floor Flashcards

1
Q

This is located above the pelvic brim, pelvic inlet is continuous with the abdominal cavity, and also known as the greater pelvis

A

false pelvis

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2
Q

This is located below the pelvic brim, pelvic outlet closed off below by muscular pelvic floor, and known as the lesser pelvic

A

true pelvis

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3
Q

This bone of the pelvic girdle is made up of 5 fused bones

A

sacrum; 5 fused sacral vertebrae

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4
Q

These bones make up the 2 os coxae

A

ilium, ischium, and pubis

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5
Q

What defines the border of the pelvic brim

A

the pectineal line of the superior ride of the superior ramus is continuous with the arcuate line

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6
Q

What is the shape of the pelvic brim in males and in females

A 
males = heart shaped
females = oval shaped
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7
Q

Who has shorter pubic symphysis, males or females?

A

females

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8
Q

Who has narrower pubic arch and less flared iliac wings (alae), males or females?

A

males

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9
Q

Who has their ischial tuberosities further apart, males or females?

A

females

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10
Q

Who has shorter, less curved sacrum, males or females?

A

females

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11
Q

What is the shape of the obturator foramen in males and in females

A 
males = round
females = oval
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12
Q

What is the pubic arch angles in males and females

A 
males = less than 70°
females = more than 80°
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13
Q

This connects the 2 pubic bones

A

pubic sympthysis

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14
Q

This is located between the sacrum and ilium anteriorly

A

anterior sacroiliac ligament

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15
Q

This is located between the sacrum and ilium posteriorly

A

posterior sacroiliac ligament

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16
Q

This is located from the ischial spine to the sacrum/coccyx, in the lower boundary of greater sciatic foramen

A

sacrospinous ligament

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17
Q

This is located from the sacrum to the tuberosity of the isichium, in the lower border of lesser sciatic foramen

A

sacrotuberous ligament

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18
Q

This closes off obturator foramen (lower border of obturator canal)

A

obturator membrane

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19
Q

This is a diamond shaped region between the thigh; contains 2 triangles

A

perineum

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20
Q

This triangle involves the passage of urinary and genital

A

urogenital triangle

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21
Q

This triangle involves the passage of rectum and anus

A

anal triangle

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22
Q

This triangle is deep to perineal muscle or UG diaphragm

A

urogenital triangle

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23
Q

This triangle is in the plevic floor muscles or pelvic diaphragm

A

anal triangle

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24
Q

This structure is the joining of the urogenital and anal triangles

A

pineal body

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25
Q

What are the two main muscles of the pelvic diaphragm

A

levator ani

coccygeus

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26
Q

What are the three bands that make up the levator ani

A

iliococcygeus
pubococcygeus
pubrorectalis

27
Q

What muscles assist those of the pelvic diaphragm

A

piriformis

obturator internus

28
Q

This muscle extends from anterior sacrum to greater trochanter, passing behind greater sciatic notch, and closes off posterior/superior pelvic outlet

A

piriformis muscle

29
Q

This muscle extends from obturator foramen to greater trochanter, covered with thick fascia and attaches to legator ahi as tendinous arch

A

obturator internus

30
Q

This is anterior/inferior to pelvic diaphragm extending between 2 pubic arches and attaching posteriorly to perineal body

A

urogenital diaphragm

31
Q

The UG diaphragm is composed of what muscles and blends with which muscles

A

composed of deep transverse perineal body

blends with sphincter muscles of urethra (and vagina in females)

32
Q

These transport urine from kidneys to bladder, cross external iliac vessels and descend into pelvis

A

ureters

33
Q

True or False

The ureters travel to posterolateral aspect of urinary bladder

A

True

34
Q

This stores urine prior to expulsion through urethra and is covered with peritoneum and supported by pelvic floor

A

urinary bladder

35
Q

What is the muscle that makes up the urinary bladder

A

smooth muscle; detrusor urinae

36
Q

The urethra is how long in women and located where

A

3.5-4cm

between bladder and external urethral orifice

37
Q

Which is longer, the male or female urethra

A

male

38
Q

What are the four parts of the male urethra starting closest to the bladder

A

preprostatic
prostatic
membranous
spongy

39
Q

This is located in true pelvis superior to pelvic floor

A

rectum

40
Q

The rectum is normally constricted by what

A

puborctal sling; made up of puborectalis muscle

41
Q

This emerges in anal triangle inferior to pelvic floor and is continuous with rectum at anorectal junction at puborectal sling

A

anal canal

42
Q

The puborectal sling produces curvature at what and when relaxed allows what

A

curvature at anorectal junction

relaxes to allow defecation

43
Q

What are the two main components of the male pelvic viscera

A

ductus (vans) deferens

reproductive glands

44
Q

What are the three reproductive glands of the male pelvic viscera

A

seminal vesicles
prostate gland
bulbourethral (Cowper’s) gland

45
Q

This joins the vas deferens forming the ejaculatory ducts, emptying into prostatic urethra

A

seminal vesicles

46
Q

This is a walnut sized gland between the bladder and UG diaphragm

A

prostate gland

47
Q

These are 2 pea sized glands within UG diaphragm, emptying into penile urethra

A

bulborethral (Cowper’s) glands

48
Q

What are the three external organs and structures of the male pelvic viscera

A

penis
testes
spermatic cord

49
Q

This is the primary male reproductive organ housed in the scrotum

A

testes

50
Q

This is located in the fascial sheath derived from anterior abdominal wall, from inguinal canal into scrotum, surrounds ductus deferens, and testicular vessels and nerves

A

spermatic cord

51
Q

These are the primary female reproductive organs, which produce an ova and female hormones, encapsulated in the true pelvis

A

ovaries

52
Q

This is a muscular tube for the transport of ovum to uterus

A

Uterine (fallopian) tubes

53
Q

The fallopian tubes are made up of what 4 parts and span from where to where

A

4 parts; fimbriae, infundibulum, ampulla, isthmus

from peritoneal cavity to uterus

54
Q

This is roughly 7cm long, usually anteverted and at a right angle to the vaginal canal

A

uterus

55
Q

True or False

The uterus can enlarge up to 20x during pregnancy and changes position during that and a full bladder

A

True

56
Q

This is the inferior neck of uterus protruding into vaginal canal

A

uterine cervix

57
Q

Where the does uterine cervix open to

A

opens to vagina as external os

opens to uterus as internal os

58
Q

True or False

The mucosal membranes are not continuo from the external environment to the peritoneal cavity

A

False; they are continuous via the uterus, etc.

59
Q

This is a circular gutter surrounding the cervix, deeper posterior than anterior

A

vaginal fornix

60
Q

What are the uterine ligaments

A

suspensory
broad
ovarian
round ligament of the uterus

61
Q

Which uterine ligament is made up of peritoneum covering ovarian vessels and nerves

A

suspensory

62
Q

Which uterine ligament is made up of peritoneum covering the uterus and adnexa

A

broad

63
Q

Which uterine ligament anchors the ovary to the uterus

A

ovarian

64
Q

Which uterine ligament is a continuation of the ovarian ligament which passes through the inguinal canal to fuse with labia majora

A

round

SP14 Anatomy (33 decks)

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