bladder ureter urethra Flashcards

1
Q

muscular tubes that extend from the kidneys to the posterior surface of the bladder

A

ureter

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2
Q

length of ureters

A

10 in ( 20 cm )

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3
Q

constrictions of the ureter

A

there are three

  1. ureter passes over inferior renal pole
  2. ureter passes over external iliac vessels
  3. ureter passes through the bladder wall
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4
Q

fourth constrictor that can exist

A

ureter passes posterior to the gonadal vessels

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5
Q

renal pelvis

A

expanded upper part of ureter that connects to the kidneys

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6
Q

separates ureters from transverse processes posteriorly

A

psoas muscle

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7
Q

blood supply to the ureters

A

upper part - renal artery
middle part - testicular or ovarian artery
pelvis part - superior vesicle artery

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8
Q

venous drainage of ureters

A

veins that correspond to the artery

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9
Q

lymph drainage of ureters

A

lateral aortic nodes and the iliac nodes

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10
Q

innervation of ureters

A

renal testicular or ovarian and hypogastric plexuses

afferent fibres travel up to 1st and 2nd lumbar

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11
Q

abdominal part of ureter

A

adheres close to parietal perineum

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12
Q

pelvic part of ureter

A

crosses the pelvic brim

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13
Q

intramural part of ureter

A

also known as vesicle enters the urinary bladder

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14
Q

ureter relationship with the uterine artery and veins

A

ureter crosse beneath the artery and veins to enter in the pelvic cavity

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15
Q

located of bladder

A

fat filled retro pubic space

immediately behind pubic bones

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16
Q

shape of bladder when empty

A

4 sided pyramid resides in true pelvis

has a apex base superior two inferolateral surfaces and a neck

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17
Q

shape of bladder when full

A

ovoid protrudes anteriorly & superiorly into the abdominal cavity ( hypogastric cavity )

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18
Q

bladder is held in place by

A

pubovesical ligaments in women
puboprostatic ligaments in men
(thickenings of endopelvic fascia)

neck is fixed – located approx. 3-4 cm behind the lower margin of the symphysis pubis

surrounding fat within the retropubic space

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19
Q

maximum capacity of bladder

A

500 ml

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20
Q

connect the bladder and umbilicus

A

median umbilical ligament

21
Q

the bladder and the ureters connects at

A

superior lateral surface which faces posteriorly

22
Q

inferior angles of bladder give rise to

A

the urethra

23
Q

vasa deferens position to bladder

A

lie on the posteriori surface of bladder separating it from seminal vesicles

24
Q

what covers the upper part of the posterior surface of the bladder

A

peritoneum which forms the anterior wall of rectovesical pouch

25
Q

what separates the lower part of the bladder and the rectum

A

vas deferens seminal vescial and rectovescial pouch

26
Q

what covers the superior surface of the bladder

A

peritoneum and is related to the coils of the ileum or sigmoid colon

27
Q

lateral to bladder

A

lateral pelvic wall

28
Q

inferolateral surface of bladder is related to

A

retropubic pads of fat and the pubic bones

29
Q

most posterior part of bladder lie in contact with

A

obturator internus above and levator ani below

30
Q

neck of the bladder lies on

A

upper surface of prostate

31
Q

bladder trigone

A

is a smooth triangular region of the internal urinary bladder in non distended state formed by the two ureteric orifices and the internal urethral orifice the area is very sensitive to expansion and once stretched to a certain degree the urinary bladder signals the brain of its need to empty

32
Q

ureter trigone location

A

open into the posterior inferolateral aspect of the bladder

33
Q

urethra trigone location

A

commences at the neck of the bladder as the internal urethral orifice

34
Q

sphincters of the urethra

A

internal and external urethral spinchters

35
Q

internal urethral sphincter

A
located at neck of the bladder
detrusor muscle (smooth m.)
autonomic innervation
36
Q

sphincter urethrae external urethral sphincter

A

with membranous urethra
skeletal muscle
innervated by pudendal n.

37
Q

prevent seminal fluid from entering the bladder

A

sympathetic innervation of the sphincter which contacts

38
Q

blood supply of bladder

A

superior and inferior vesicle arteries

39
Q

venous drainage of bladder

A

vesical venous plexuses that drain into the internal iliac artery

40
Q

lymph drainage of bladder

A

internal and external iliac nodes

41
Q

innervation of bladder

A

sympathetic post ganglionic fibres of the 1st and 2nd lumbar descend via hypogastric plexuses

parasympathetic fibres from the pelvic splanchnic nerves from 2nd 3rd 4th sacral nerves via inferior hypogastric plexuses

42
Q

inhibit contraction of the detrusor muscle of the bladder wall and stimulate closure of sphincter vesicle

A

sympathetic nerves

43
Q

stimulate contraction of the detrusor muscle of the bladder wall and inhibit the action of spinster vesicle

A

parasympathetic nerves

44
Q

sections of the male urethra

A

prostatic urethra
membranous urethra
penile spongy urethra

45
Q

prostatic urethra is located in

A

within the anterior half of the prostate

46
Q

membranous urethra is located in

A

deep perineal pouch with sphincter urethrae

47
Q

penile spongy urethra

A

its proximal portion contains openings for the bulbourethral glands

48
Q

length of male urethra

A

15-25 cm

49
Q

length of female urethra

A

4 cm