Bladder

Question 1

Location

Answer 1

Anterior part of pelvic cavity

Question 2

Empty bladder is

Answer 2

Tetrahedral with 3 surfaces

Question 3

Full bladder is

Answer 3

Ovoid with 2 surfaces

Question 4

Relations

Answer 4

Apex:Median umblical ligament

Base: vagina,cervix[females] rectovesicle pouch and seminal vesicles [males]

Neck:Internal urethral oriface Preprostatic sphincter/pelvic fascia

Superiorly: Peritoneum, sigmoid colon [Males] Peritoneum and cervix [females]

Inferiorly: Puboprostatic ligaments, retropubic fat and levator ani [males]
same except pubovesical ligaments

Question 5

True Ligaments

Answer 5

Lateral
lateral puboprostatic/pubovesical
Medial puboporastatic/pubovesical
median umblical
posterior

Question 6

False ligaments

Answer 6

Median umblical folds
Medial umblical folds
lateral false

Question 7

Blood supply

Answer 7

1. Superior and inferior vesical arteries

2. Obturator and inferior gluteal arteries

Question 8

Venous drainage

Answer 8

Vesical venous plexus >internal iliac

Question 9

Nerve supply

Answer 9

SNS-T11-L2
PSNS- S2-S4
Pudendal to sphincter urethrae

Question 10

Acute injury to cervical/thoracic segments [spical shock]

Answer 10

sphincter vesicae is contracted, sphincter urethrae relaxed> dribbling of urine
After a few days bladder contracts every 2-4hrs > automatic reflex bladder

Question 11

Damage to sacral segments

Answer 11

Autonomous bladder > continuous dribbling

Question 12

Trigone

Answer 12

Smooth triangular area of bladder formed by 2 ureteric orifaces and one internal urethral oriface
Very sensitive to distention: one fully distended sends signals to brain for micturation