Muscles of the Male genital Organs Flashcards
Muscles of the testis
M. Cremaster
M. Cremaster
O: Fascia Iliaca
I: Tunica vaginalis, near testis
A: Draws testis –> CI // cold
Penis Muscles
M. Ischiocavernosus
M. Bulbospongiosus
M. Retractor penis
M. Ischiourethralis
M. Ischiocavernosus
O: Arcus and tuber ischiadicum
I: Prox end of Corpus Penis
A: Encloses crura, raises erect penis
M. Bulbospongiosus
O: Extrapelvic continuation of M. Urethralis
I: Prox end of shaft of penis
A: Pulsatile contractions during ejaculation
M. Ischiourethralis
O: Dorsal part of tuber ischiadicum
I: Fibrous ring around common trunk of left and right dorsal vein
M.Retractor Penis
Pars rectalis
Pars Perinea
A: Retracts penis
M. Urethralis
Continuous with M.Bulbospongiosus
ca, eq: Surrounds pelvic part of urethra
su,bo: Covers only lat, ventricle surface of the urethra
Muscle of the Urethra
M. Urethralis
Muscles of the Prepuce
M. PReputialis cranialis et caudalis
M. Preputialis cranialis
O: Superficial fascia of Xiphoid region
M. Preputialis caudalis
NOT in ca
O:
Sphincter ani ext (fe)
Inguinal fascia lat and med (ru)