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DMS333-BL6
USIDMS Scrotum/Prostate
Question | Answer |
---|---|
what cavity is the prostate located? | in the retroperitoneal cavity |
what does the prostate surround? | proximal male urethra |
what is the prostate composed of? | glandular and fibromuscular tissue with a fibrous capsule |
what is the function of the prostate? | production and storage of fluid used for sperm transportation also, helps sperm motility |
how much of the peripheral zone is glandular tissue? | 70% |
where is the central zone located? | superior |
where is the site of BPH (benign prostatic hyperplasia)? | transitional zone |
where are the seminal vesicles located? | cephalad off base of prostate |
what is benign prostatic hyperplasia (BPH)? | enlargement of prostate in transistional zones |
how often is prosate CA found in TZ? | 20% of the time |
what is stage one of prostate CA? | tumor is microscopic and confined to prostate but is undetectable by a digital rectal exam (DRE) or by US usually discovered by PSA tests or biopsies |
what is the scrotum divided by? | medium raphe which is an external division |
what type of glands are the testicles? | both endocrine (hormones) and exocrine (germ cells) |
what are the testicular layers? | tunica albuginea and tunica vaginalis |
what are the seminiferous tubules? | where sperm is produced, the further away from the tete testis the less mature they are |
what do rete teste do? | transports sperm from somniferous tubules to efferent ducts |
what is the vas deferens? | tube that connects epidiymis to seminal vesicle |
where is the seminal vesicle located in relation to bladder? | posterior |
where is sperm stored prior to ejaculation? | seminal vesicle |
what does the pampiniform plexus wrap around? | arteries |
what is microlithiasis? | multiple, small calcifications within seminiferous tubules |
what is spermatocele? | retention cyst of sperm in epididymis |
what is orchitis? | epididymal infection spreads to testis |
what is the most common cause of scrotal swelling? | hydrocele |