University:
Swansea University
Course:
PM-139 | Human Physiology 1
Academic year:

2023
Views:

413

Pages:

3
Author:

Amal J.

Neurogenic bladdesMicturationIt is the process bywhich urine is voided byfrom urinary bladdes.structureurinary bladdesIt c's a s holloworgan located of the lowesabdomen The wallthebladder is , formed by musclefibers called setrusor*Bladder consist oftwo partsBody & neckThe cypper angleof posterior Erigon isConnected with 2 usetees* The Course part of bladder is narrow & Forms.neck.Internal sphIt is situated blwthe neck 8 upper of end ofurethra. & it is made up ofthe smooth muscle ofdetruser.External sphincter -It is situated belowthe urethea & made up ofcircular skeletal musclemedifibes.Nerve supplydo sympatheticIt arese a from thest 2 lumbar segment oflase It terminating inhypogastric gang lion fromthis ganglion hypogastricherve rits arises 8 suppliesto the detrus or &internal sphericter muscles The stimulatn of sympatheticnerve causes relaxation ofdetrus or & constriction ofinternal sphincter Itresults in filling of bladder2JparasympatheticPelvic nerve arisesfrom S2, S3 854 of special cord& it supplies to the use bladscoster- sphincterThe partimulationcauses contraction of}detrusor muscle 8 relaxa fromof criternal sphin. leads toemptying of urinary bladder3) somaticExt sphin is innervatorBy somatic nerve called'pudental nerve it arisesfrom S2, S3 854 of SC. It isresponspible for volcentarycontrol of nicturation,