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ANAT 316 Term 1 > L22 - Pelvic Viscera > Flashcards

L22 - Pelvic Viscera Flashcards

1
Q

bones of the pelvic girdle (3)

A
  • sacrum
  • innominate bones
  • coccyx
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2
Q

innominate bone: bones (3)

A
  • ilium
  • ishcium
  • pubis
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3
Q

Innominate bone: features (5)

A
  • auricular surface
  • iliopectineal line
  • ishcial tuberosity
  • symphyseal surface
  • ishcial spine
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4
Q

sacrum: features (4)

A

-m sacral pulmontory
- auricular surface
- sacral ala
- anterior sacral foramina

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5
Q

Joints of the pelvic girdle

A
  • sacroiliac joints
  • symphysis pubis
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6
Q

sacroiliac joints

A

auricular surfaces of the sacrum and ilium

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7
Q

symphysis pubis

A

fibrocartilaginous disc between left and right pubis (symphyseal surfaces)

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8
Q

pelvic inlet borders

A
  • sacral promontory
  • sacral ala
  • iliopectineal line
  • symphysis pubis
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9
Q

pelvic outlet borders

A
  • coccyx
  • ishcial tuberosities
  • symphysis pubis
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10
Q

interspinous distance is the distance between…

A

both ishcial spines?

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11
Q

pelvic diaphragm: fucntions

A

support pelvic viscera

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12
Q

pelvic diaphragm: features

A
  • urogenital hiatus
  • anal aperture
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13
Q

pelvic diaphragm: muscles

A
  • levator ani group
  • coccygeus (ischiococcygeus)
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14
Q

levator ani group muscles

A
  • puborectalis
  • pubococcygeus
  • iliococcygeus
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15
Q

Pelvic viscera of male only

A
  • vas deferens
  • seminal vesicles
  • ejaculatory ducts
  • prostate gland
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16
Q

Pelvic viscera of female only

A
  • uterus
  • uterine tubes
  • ovaries
  • vagina
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17
Q

Pelvic viscera of male and female

A
  • bladder
  • ureters
  • sigmoid colon
  • rectum
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18
Q

broad ligament

A
  • covers female pelvic viscera
  • double fold of peritoneum
  • three divisions
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19
Q

mesometrium

A
  • largest divison of the broad ligament
  • covers the uterus and bladder
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20
Q

mesovarium

A
  • suspends ovaries from uterine tubes
21
Q

mesosalpinx

A

surrounds uterine tubes

22
Q

uterus structuress (6)

A
  • fundus
  • uterine cavity
  • internal Os
  • cervical canal
  • cervix
  • external Os
23
Q

uterine tubes

A
  • infundibulum
  • ishtmus
  • ampulla
  • fimbriae
24
Q

uterus ligaments (3)

A
  • uterosacral ligament
  • cardinal ligament
  • round ligament
25
Q

ovaries

A
  • paired almond shaped organs
  • produce ova (eggs)
  • secrete estrogen and progesterone
26
Q

vagina

A
  • open to external environment
  • begins at the external os of the cervix
  • posterior to bladder
  • protrusion of cervix creates fornixes
27
Q

Male pelvic viscera

A
  • ductus deferens
  • seminal vesicles
  • ejaculatory ducts
  • prostate gland
28
Q

ductus (vas) deferens

A
  • bladder
  • ureter
  • ductis deferens
  • ampulla
29
Q

seminal vesicles

A
  • posterior surface of bladder
  • lateral to ductus deferens
  • glandular structures
  • stores and produces fluid that makes up a majority of semen
30
Q

ejculatory ducts

A
  • formed by the union of the seminal vesicles and ducts deferens
31
Q

prostate gland

A
  • inferior to bladder
  • walnut shaped
  • transvered byt he prostatic urethra
  • prostatic uricle contracts to widen the openings of the ejaculatory ducts
32
Q

sigmoid colon

A
  • “S” shaped
  • distal end of colon
  • continuous with the rectum distally
33
Q

Rectum

A
  • continuous with the anal canal distally
  • two flexures: 1) sacral flexure 2) anorectal flexure
34
Q

rectum - internal anatomy

A
  • 3 transverse folds (superior, middle, inferior rectal folds)
  • 3 lateral flexures
35
Q

ureters

A
  • exit renal pelvis
  • pass posterior to gonadal vessels and anterior to psoas major
  • pass anterior to iliac vessels
  • enter the posterior aspect of the bladder
36
Q

bladder

A
  • apex
  • body
  • ureters
  • ureteric orifices
  • internal urethral orifice
  • urethra
  • trigone (not a structure)
37
Q

blood supply

A
  • common iliac artery
  • internal iliac artery
  • external iliac artery
  • gonadal arteries
  • inferior mesenteric artery
  • common iliac artery
38
Q

uterus blood supply

A
  • uterine artery
  • internal iliac artery
39
Q

ovaries blood supply

A
  • abdominal aorta –> right or left ovarian artery
40
Q

rectume blood supply

A
  • inferior mesenteric artery
  • superior rectal artery
  • internal iliac artery
  • middle rectal artery
  • inferior rectal artery
41
Q

pelvic viscera is innervated by the ____ nervous system: sympathetic and parasympathetic

42
Q

sympathetic innervation pathway

A

preganglionic neurons in L1 and L2 –> inferior hypgastric or inferior mesenteric ganglion –> pelvic viscera

43
Q

Sympathetic innervation: Pelvic viscera _____ the bladder, ____ the internal urethral sphincter – prevents ____

A
  • inhibits
  • excites
  • urination
44
Q

Sympathetic innervation: Pelvic viscera _____ peristaltic contraction, ____ internal anal sphincter – prevents ____

A
  • inhibits
  • excites
  • defecation
45
Q

Sympathetic innervation: Pelvic viscera _____ uterine contraction

46
Q

parasympathetic innervation pathway

A

preganglionic neurons: S2, S3, S4 –> pelvic splanchic nerves –> pelvic viscera

47
Q

parasympathetic innervation: Pelvic viscera _____ the bladder, ____ the internal urethral sphincter – prevents ____

A
  • excites
  • inhibits
  • urination
48
Q

parasympathetic innervation: Pelvic viscera _____ peristaltic contraction, ____ internal anal sphincter – prevents ____

A
  • excites
  • inhibits
  • defecation
49
Q

parasympathetic innervation: Pelvic viscera _____ uterine contraction

ANAT 316 Term 1 (22 decks)

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