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Fluid is secreted from the ejaculatory ducts of the vesicles into the vas deferens, where it becomes part of semen. This then passes through the urethra, where it is ejaculated during a male sexual response. [9] About 70-85% of the seminal fluid in humans originates from the seminal vesicles. [11]
The ligament attaches by its apex onto the symphysis pubis and linea alba, and by its base onto the dorsal and lateral aspects of the corpora cavernosa penis. [1]The midline lamina splits inferiorly/distally to attach onto each corpus cavernosus penis lateral to the groove of the deep dorsal vein of penis, whereas each lateral lamina attaches distally onto the lateral aspect of the ...
Ejaculation occurs in two stages, the emission stage and the expulsion stage. [4] The emission stage involves the workings of several structures of the ejaculatory duct; contractions of the prostate gland, the seminal vesicles, the bulbourethral gland and the vas deferens push fluids into the prostatic urethra. [3]
The body of the penis is suspended from the pubic symphysis. [7] It has two surfaces; the dorsal and the ventral or urethral.The penile raphe runs on its ventral surface.. The body is surrounded by a bi-layered model of tunica albuginea in which a distal ligament buttresses the glans penis and plays an integral role to the penile fibroskeleton, and the structure is called "os analog", a term ...
This septum is composed of multiple strands of connective tissue, similar to that of the tunica albuginea. [3] It is thick and complete behind, where the corpora cavernosa become independent and form separate crura , [ 3 ] but it is imperfect in the front, where it consists of a series of vertical bands arranged like the teeth of a comb; it is ...
Dissection of prostate showing the fibers of the external sphincter surrounding the membranous urethra and partially cradling the inferior portion of the prostate. The urethral sphincters are two muscles used to control the exit of urine in the urinary bladder through the urethra .
Other symptoms include severe pain, loss of erection, and swelling. [5] Symptoms of urethral injury include hematuria, blood at the meatus, and dysuria. [ 1 ] If left untreated, complications result in 28–53% of cases; these include permanent curvature of the penis, fistula , urethral diverticulum , priapism , and erectile dysfunction .
Other symptoms include pain localized to the urethra or pelvis and frequent urinary tract infection. [3] When urethral diverticulum becomes severe, a painful mass can sometimes be felt inside the introitus of the vagina, which can discharge pus. If the mass is hard or bleeds, complications like cancer or kidney stones may be present. [3]