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
what separates the lower part of the bladder and the rectum
vas deferens seminal vescial and rectovescial pouch
26
what covers the superior surface of the bladder
peritoneum and is related to the coils of the ileum or sigmoid colon
27
lateral to bladder
lateral pelvic wall
28
inferolateral surface of bladder is related to
retropubic pads of fat and the pubic bones
29
most posterior part of bladder lie in contact with
obturator internus above and levator ani below
30
neck of the bladder lies on
upper surface of prostate
31
bladder trigone
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
ureter trigone location
open into the posterior inferolateral aspect of the bladder
33
urethra trigone location
commences at the neck of the bladder as the internal urethral orifice
34
sphincters of the urethra
internal and external urethral spinchters
35
internal urethral sphincter
``` located at neck of the bladder detrusor muscle (smooth m.) autonomic innervation ```
36
sphincter urethrae external urethral sphincter
with membranous urethra skeletal muscle innervated by pudendal n.
37
prevent seminal fluid from entering the bladder
sympathetic innervation of the sphincter which contacts
38
blood supply of bladder
superior and inferior vesicle arteries
39
venous drainage of bladder
vesical venous plexuses that drain into the internal iliac artery
40
lymph drainage of bladder
internal and external iliac nodes
41
innervation of bladder
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
inhibit contraction of the detrusor muscle of the bladder wall and stimulate closure of sphincter vesicle
sympathetic nerves
43
stimulate contraction of the detrusor muscle of the bladder wall and inhibit the action of spinster vesicle
parasympathetic nerves
44
sections of the male urethra
prostatic urethra membranous urethra penile spongy urethra
45
prostatic urethra is located in
within the anterior half of the prostate
46
membranous urethra is located in
deep perineal pouch with sphincter urethrae
47
penile spongy urethra
its proximal portion contains openings for the bulbourethral glands
48
length of male urethra
15-25 cm
49
length of female urethra
4 cm