Lecture 19 & 20 - Pelvic viscera Flashcards

1
Q

The pelvic viscera sit beneath..

A

the peritoneal cavity

pelvic peritoneum drapes over pelvic viscera and invests them in part with a serous coat

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2
Q

THE LOWEST part f the peritoneam is where?

A

going down to form the rectovesical pouch

behind the bladder

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3
Q

The bladder is pretty much behind the ____

A

pubic bone - in children it sits a bit higher

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4
Q

The filled bladder protrudes up and is assicated with..

A

the anterior abdo wall

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5
Q

The female has two pouches, as opposed to the male, because.. what are they called?

what is the lowermost part of the peritoneum in the female?

A

there is a uterus:

vesico-uterine pouch (between bladder and uterus)

Recto-uterine pouch - right down to the back of the vagina - female

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6
Q

what is the lowermost part of the peritoneum in the female?

A

Recto-uterine pouch

burst appendix fluid will flow into this space

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7
Q

The ____ __ act as curtains for the peritoneum to sweep over

A

uterine tubes - broad ligament

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8
Q

The ureters cross the pelvic brim where? (in relation to arteries)

A

The common iliac splits to internal and external

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9
Q

What strucuters, in male and female, cross the ureter above it’s entry into the bladder?

A

male: vas deferens
female: uterine artery

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10
Q

the bladder is ___-______ to the pubic bone

what is the space in between?

A

postero-superior

retro-pubic space

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11
Q

THe ureter is very close to which artery in the female?

A

uterine artery - crosses over it

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12
Q

The trigone of the bladder differs how from the rest of the bladder?

A

it is smooth

The rough

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13
Q

The rough parts of the bladder are what muscle?

A

destruser

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14
Q

the base of the bladder is facing

A

posteriorly

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15
Q

the neck of the bladder surrounds…

A

the urethral outlet

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16
Q

The neck is anchored to the pelvic wall via what?

A

pubovesical lig.

The lateral ligaments are condensations of fascia around the vesical artery

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17
Q

what produces the sperm in the testes?

A

seminiferous tubules with interstitial tissue in between

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18
Q

the seminiferous tubules with interstitial tissue in between are surrounded by what capsule?

A

Tunica albuginea - connective tissue capsule

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19
Q

Surrounding the Tunica albuginea is the..?

A

peritoneum - called the tunica vaginalis

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20
Q

If there is a continuation f the peritoneum with the adbo cavity there is an increased risk of _____

A

herniation

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21
Q

What is the epididymus?

where does it sit

A

one single duct, VERY coiled

sits on the postero-lateral side of the testis

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22
Q

The ureter crosses what in the male?

A

vas deferens

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23
Q

vas deferens runs through the _____ canal

A

inguinal canal

24
Q

vas deferens crosses what at the pelvic inlet?

A

external iliac vessels

25
Q

The seminal vesicles secretions are simply adding what to the semen?

A

volume

26
Q

Where is the prostate gland situated?

A

neck of the bladder above

levator ani and urogenital diaphragm below

27
Q

pubo-prostaticus is the male equivalent of what?

A

pubo-vaginalis

28
Q

What is in the urethral crest?

A

bump - two gutters on eaither side called prostatic sinuses.

The ejaculatory ducts open into the urethral crest (final common pathway of vas and seminal vesicles)

29
Q

What does the bulbouretral gland pass through to enter the penile-urethra?

A

peritoneal membrane -

30
Q

What does the prostate gland relate to posteriorly?

A

the rectum

31
Q

The middle lobe of the prostate lies in the urethra, what is its significance?

A

its the part that enlarges in benign prostatic hypertrophy

32
Q

What is the approx size of the uterus?

A

8cm/5cm/3cm

33
Q

The uterus is nromally positioned..

A

anti-verted (bend forwards on the vagina) and anti-flexed (flexed forward on itself)

but not always

34
Q

true or False

The uterus is slightly flattened in the anterior/posterior direction

A

true

35
Q

The part of the body of the uterus that narrows to become the cervix is the…

A

Isthmus

36
Q

What are the delineations of the cervix?

A

twowards the vagina: external uterine opening

towards the isthmus: internal uterine opening

37
Q

the canal of the cervix is how long?

A

2-3cm in length

38
Q

Which part of the uterus is fixed? (the ligaments are a really important, learn them)

A

the neck - by fascial condensations (utero-sacral lig. and lateral cervical)

39
Q

Where does the broad ligament go from?

A

from side walls of uterus, uterine tubes are in the superior aspect

to

side walls of pelvis

40
Q

how long are the uterine tubes? where are they?

A

10-14cm in length - in the superior part of the broad ligament

41
Q

What is the name of the part of the uterine tube that is in the uterus?

A

intramural

42
Q

What are the sections of the uterine tube AFTER the itramural part?

A

isthmus - straight and narrow

ampulla

infundibulum

43
Q

The ovary is stuck on the back of the ____ ligament

A

broad ligament

but hangs off with its own little mesentery

44
Q

The ovary sits on the side wall of the pelvis in a shallow fossa, between the …

A

internal and external iliac vessels

where they divide

45
Q

what attaches the ovary to the upper and angle (shoulder) of the uterus?

A

ovarian ligament - continuous with the round ligament

46
Q

what supplies the ovary?

A

ovarian artery - one of the paired branches coming off the aorta

then gives off a branch to the uterine tube - this anastomoses with the uterine artery from the side wall of the pelvis (crosses the ureter in females remember!)

47
Q

Which wall of the vagina is shorter?

A

anterior - 10cm

posterior - 12

48
Q

what space is in the superior part of the vagina?

A

fornix - circular recess around the lowermost portion of the cervix

49
Q

whaat do slackenings of the ligamentous supports of the vagina lead to ?

A

prolapse - things moving where they shouldn’t

uterus usually pushed down into the vagina

50
Q

there can also be encroachment on the vagina from the..

A

bladder or rectum

51
Q

the rectum loses what, as comapred to the sigmoid colon?

A

tenia coli - just one longitudinal muscle band

52
Q

Rectum

The upper 1/3 has no _____ but ______covering it front and side

the middle 1/3 is truly __________

lower 1/3 is a ___pelvic viscus - beneath the _________

A

Rectum

The upper 1/3 has no mesentery but peritoneum covering it front and side

the middle 1/3 is truly retroperitoneal

lower 1/3 is a true pelvic viscus - beneeath the peritoneum

53
Q

rectum has _ ____ curves, covexed to the left

A

rectum has 3 lateral curves, covexed to the left

creates 3 shelves “of heuston”

54
Q

the ampulla of the rectum is the

A

dilated part inferiorly

55
Q

What supplies the rectum?

A

IMA

after supplying colon, becomes the superior rectal artery

also reinforced by a middle rectal artery from the side wall of pelvis (from internal iliac)

56
Q

venous drainage from the rectum is to the

A

portal vein