Muscles of Bladder, Urethral & Genital Flashcards
Origin of Bulbospogious in females
Perineal body and fascia of the bulb of the vestibule
Insertion of Bulbospogious in females
Perineal membrane and corpus cavernosum of the clitoris
Action of Bulbospogious in females
Compresses the vestibular bulb and constricts the vaginal orifice
Origin of Bulbospogious in males
Central tendinous point and the midline raphe of the bulb of the penis
Insertion of Bulbospogious in males
Perineal membrane, dorsal surface of the corpus spongiosum, deep penile fascia
Action of Bulbospogious in males
Compresses bulb of the penis, compresses the spngy urethra
Origin of Cremaster
Inguinal ligament
Insertion of Cremaster
Forms thin network of muscle fasicles around the spermatic cord and testis
Action of Cremaster
Elevates testis
Origin of Dartos
Subcutaneous connective tissue of scrotum and penis
Insertion of Dartos
Skin of the scrotum and penis
Action of Dartos
elevates testis
Origin of Detrusor of Bladder
Smooth muscle in the wall of the urinary bladder
Insertion of Detrusor of Bladder
Fascicles are arranged roughly in 3 layers
Action of Detrusor of Bladder
Compresses urinary bladder
Origin of Ischiocavernosus
Medial surface of the ischial tuberosity & ischiopubic ramus
Insertion of Ischiocavernosus
Corpus cavernosum and crus of penis/clitoris
Action of Ischiocavernosus
compresses the corpus cavernosum
Origin of Levator Prostate
Posterior body of pubis
Insertion of Levator Prostate
Fascia of the prostate
Action of Levator Prostate
Elevates prostate
Origin of Pubovaginalis
Posterior body of pubis
Insertion of Pubovaginalis
Fascia of the vagina and perineal body
Action of Pubovaginalis
Draws vagina forward and superiorly
Origin of Sphincter Urethrae in females
Encicles the urethra
Insertion of Sphincter Urethrae in females
Encicles urethra and vagina
Extends superiorly along the urethra as fas as the inferior surface of bladder
Action of of Sphincter Urethrae in females
Compresses urethra and vagina
Origin of Sphincter Urethrae in males
Encircles Urethra
Insertion of of Sphincter Urethrae in males
Encircles urethra, reaches lateral surface of prostate and inferior bladder.
Action of Sphincter Urethrae in males
Compresses urethrsa