Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Human Anatomy: Pelvis/Perineum and Lower Limb > Pelvis > Flashcards

Pelvis Flashcards

1
Q

Lumbosacral trunk

A

Ant rami of…
L4-L5
S1-S4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Pelvic inlet

A

area around ilium, ischium, pubis, sacrum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Pelvic outlet

A

area b/w ischium and coccyx

closed by muscle, skin, connective tissue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Inominate bone

A

hip bone

bone that is fusion of ilium, ischium, and pubis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Acetabulum

A

depression where femur fits

site of fusion of 3 bones into inominate bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Obturator foramen

A

b/w ischium and pubis

covered by membrane, obturator int and ext

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Joints of pelvis

A

Lumbosacral (last lumbar vert and sacrum)
Sacroiliac (sacrum and ilium)
Sacrococcygeal (sacrum and coccyx)
Pubic symphysis (fibrous cartilage b/w pubic bones)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Ligaments of pelvis

A

Obturator membrane (closes obturator foramen)
Ant and post sacroiliac ligaments
Sacrotuberous (sacrum –> ischial tuberosity)
Sacrospinous (sacrum –> ischial spine)
Sup and inf pubic ligaments of pubic symphysis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Greater and lesser sciatic foramina

A

Foramina divided by sacrotuberous and sacrospinous ligaments

Conduits for things to run out of pelvis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Tendon of piriformis runs out of which foramen?

A

Greater sciatic foramen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Ischial tuberosity

A

sit bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Perineum

A

area b/w pelvic cavity and external surface

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Pelvic diaphragm

A

Levator ani

Coccygeus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Muscles of levator ani

A 
puborectalis
pubococcygeus
iliococcygeus
puboprostaticus
pubovaginalis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Branches of ant division of internal iliac a

A 
Obturator
Umbilical (sup and inf vesical)
Uterine
Middle rectal
Internal pudendal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Branches of post division of internal iliac a

A

Iliolumbar
Lateral sacral
Gluteal (sup and inf)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Branches of abdominal aorta to pelvis

A

Testicular
Ovarian
Median sacral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Obturator n origin

A

L2-L4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Lumbosacral trunk origin

A

L4-L5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Sciatic n origin

A

L4-S3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Coccygeal plexus origin

A

S4-S5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Pelvic splanchnic n origin

A

S2-S4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What nerves exit greater sciatic foramen, INF to piriformis?

A 
Sciatic
Post cutaneous to thigh
Inf gluteal
N to quaddratus femoris
N to obturator internus
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What nerves exit greater sciatic foramen, SUP to piriformis?

A

Sup gluteal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
What is the path of the pudendal n?
Exits greater sciatic foramen inf to piriformis, then enters lesser sciatic foramen
26
Greater pelvis
Sup to pelvic inlet | Occupied by abdominal viscera
27
Lesser pelvis
B/w pelvic inlet and pelvic outlet | Includes pelvic cavity and perineum
28
What muscle makes a sling around the rectum?
Puborectalis
29
Tendinous arch of levator ani is fascia from what muscle?
obturator internus
30
Oturator internus and piriformis both attach to what landmark?
Trochanter of femur
31
Actions of Obturator internus
rotates thigh laterally
32
Actions of piriformis
rotates thigh laterally | abducts thigh
33
Oturator internus and piriformis both attach to what landmark?
Greater trochanter of femur
34
Exit of piriformis vs obturator internus
Piriformis exits greater sciatic foramen Obturator internus exits lesser sciatif foramen (both attach to greater trochanter of femur)
35
Lumbosacral trunk origin | Joins with...
Origin: L4-L5 | Joins with: S1-S4
36
Gluteus medius and minimis allow for what action
Allow you to stand on one leg | Keeps pelvis level
37
What nerve runs b/w sup and inf gluteal nerves?
Nerve to piriformis
38
Pudendal nerve runs in groove of what fascia?
Obturator internus fascia
39
Pudendal nerve supplies
perineum
40
Umbilical a becomes...
medial umbilical ligament
41
Uterine a anastamoses with what other aas?
Uterine anastamoses with vaginal and ovarian
42
Ureters cross in front of what structures as travel to bladder?
Cross in front of common iliac vessels
43
Kidneys and ureters in front of/behind peritoneum
Behind peritoneum
44
Ureter enters back of bladder via what orifice?
Uretic orifice
45
Trigone
triangular depression on back wall of bladder - -Top corners: entrance of ureters - -Bottom: entrance to urethra
46
Apex of bladder
point at front of bladder
47
Trigone and ureters (urogenital sys) is derived from what germ layer?
Intermediate mesoderm
48
Bladder is derived from what germ layer?
Endoderm | --Bladder is outgrowth of gut
49
What ligament attaches the bladder to the ant body wall?
Median umbilical ligament | --remnant of allantois/urachus
50
Parts of male urethra
Prostatic Membranous/intermediate (passes through perineal membrane) Penile/spongy
51
Blood supply to ureters
``` Renal Gonadal Abdominal aorta Common iliac Internal iliac Sup vesical Middle rectal Uterine Vaginal Inf vesical (male) ```
52
Innervation of bladder
``` Autonomic motor --from inf hypogastric plexus --parasym motor to detruser muscle Somatic sensory --stretch stimulated receptors ```
53
Control of... Int urethral sphincter Ext urethral sphincter
Int: autonomic (reflex) Ext: voluntary
54
Urethra crest
raised structure that runs the length of the prostate (fold on post wall of urethra)
55
Structures of the urethral crest
``` Ejaculatory ducts (2) from seminal vesicles Prostatic utricle (homologous with parts of uterus and vagina) ```
56
Prostatic ducts
secretions of prostate exit prostatic ducts into prostatic sinuses to enter urethra
57
Prostatic sinuses
fossa on either side of urethral crest
58
Sperm exit... | Prostate secretions exit...
Sperm: ejaculatory ducts Prostate: prostatic ducts
59
Ejaculatory duct is combo of
Seminal gland and vas deferens in prostate
60
Vas deferens and seminal vesicles on front or back surface of bladder?
Back
61
Control of... Int urethral sphincter Ext urethral sphincter
Int: sym -- autonomic (reflex) Ext: somatic motor -- voluntary
62
Blood supply of prostate
``` Sup vesical (from umbilical a) Inf vesical --to seminal gland --prostatic branches --urethral branches ```
63
Prostatic venous plexus drains to...
Sup and inf vesical vv --> to int iliac v
64
Layers of uterus
Perimetrium (outer) Myometrium (muscular) Endometrium (implantation occurs here)
65
Uterine tube
directly connected to uterus | --uterus produced by fusion of R and L tubes
66
Tubes start as ... ducts
mullerian
67
Broad ligament of uterus
double-layered peritoneum (mesentery) that is draped over the uterus
68
Parts of broad ligament of the uterus
Mesometrium: b/w ovary and uterus Mesovarium: area around ovary Mesosalpinx: area b/w ovary and fallopian tube
69
Vagina held in place by...
``` Ext urethral sphincter Bulbospongiosus Pubovaginalis Urethrovaginal spincter Rectovesicalis ```
70
Ovaries connected to body of uterus via
ligament of ovary
71
Innervation of female internal reproductive organs
parasym from pelvic splanchnic Sym from nerves travelling with blood vessels Somatic: pudendal nerve
72
Blood supply of rectum
Sup rectal a (from inf mesenteric) Mid rectal a (from int iliac) Sup rectal v (from inf mesenteric) Mid rectal v (from int iliac)
73
Ischioanal fossa
Triangular space b/w rectum, anus, and levator ani | Filled with fat
74
Pudendal canal formed by...
obturator internus fascia
75
Pudendal canal contains
``` Pudendal nerve (from sacral plexus) Int pudendal a, v ```
76
Sup vesical a goes to... | Inf vesical...
Sup: bladder Inf: bladder, males only, prostatic branches, seminal gland, urethra, ductus deferens

Human Anatomy: Pelvis/Perineum and Lower Limb (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions