Anatomy Repro Finals Flashcards
Shortest portion, also the thinnest, and most prone to damage in male urethra
Membranous urethra
Widest part of the male urethra?
Prostatic urethra
Longest part of the male urethra. Starts at the bulb of penis through the corpus spongiosum and ends at the meatus.
Spongy urethra
Layers of the penis
Skin, superficial dartos fascia, deep bucks fascia, tunica albuginea
What are the 3 erectile cavernous tissues?
Corpus spongiosum, 2 corpora cavernosa
Has the greatest concentration of sensory nerve endings in the penis
Glans penis
Excised during circumcision
Prepuce
Sympathetic stimulation causes clonic spasms of the bulbospongiosum muscle in males
Ejaculation
Parasympathetic stimulation, causes relaxation of the cavernous smooth muscles, causing blood to rush into the spaces
Erection
Layers of the scrotum
Skin, dartos, colles fascia, external spermatic fascia, cremasteric muscle, internal spermatic fascia, tunica vaginalis
Spermatic cord contents
Vas deferens, testicular a., pampiniform plexus, nerves, lymphatics and cremasterc muscle
Produces thick yellowish secretion 60% of semen
Seminal vesicle
Largest accessory gland of male repro. System that secretes milky fluid 20% of semen
Prostate gland
Important marker of prostate gland
PSA
BPH happens at what zone
Transitional/ middle (median) lobe
Prostate cancer happens at what zone
Peripheral/ posterior lobe
A condition wherein the urethral meatus opens at the ventral side of the penis proximal to the tip of the glans
Hypospadias
Urethral Meatus is displaced dorsally
Epispadias
Inability to maintain penile erection
Erectile dysfunction
Recurrent occurrence of ejaculation with minimal sexual stimulation
Premature ejaculation
Back Flow of semen into the bladder during ejaculation
Retrograde ejaculation
Collection of fluid within the tunica or processus vaginalis (transillumination of testicles)
Hydrocoele
Dilation of pampiniform plexus (bag of worms)
Varicoele
Site of sperm maruration
Epididymis