Chapter 13: Male Genitalia and Hernias Flashcards
Shaft of penis
formed by 3 columns of vascular erectile tissue:
- corpus spongiosum-contains urethra
- 2 copora cavernosa
glans
cone shaped ending of penis
corona
expanded base of glans-ridge
prepuce
tip of penis-foreskin
urethral meatus
opening to urethra
testes
ovoid, rubbery structures-left lies lower than right. produce sperm and testosterone
scrotum
loose, wrinkled pouch divided into 2 compartments each containing teste
tunica vaginalis
covers the testes, except posteriorly, serous membrane
epididymis
on posterior surface of each testis-softer comma shaped. tightly coiled spermatic ducts that provide for a reservoir for storage, maturation, and transport of sperm to the vas deferens
vas deferens
cordlike structure: during ejaculation it transports sperm from the tail of the epididymis along circular route to the urethra.
ejaculatory duct
vas deferens merges with the seminal vesicle-forms ejaculatory duct-traverses prostate and epmties in the urethra.
spermatic cord
each vas is closely associated with blood vessels, nerves, and muscle fibers-make up spermatic cord
inguinal canal
lies above and approx parallel to the inguinal ligament, forms a tunnel for the cas deferens as it passes through the abd muscles
external inguinal ring
exterior opening of the tunnel-triangluar, slitlike structure palpable just above and lateral to the pubic tubercle
internal inguinal ring
approx 1 cm above the midpoint of the inguinal ligament
inguinal hernias
when loops of bowel force their way through weak areas of the inguinal canal
phimosis
tight prepuce that cannot be retracted over the glans
balanitis
inflammation of the glans
hypospadias
congenital, ventral displacement of the meatus
Non-gonococcal urethritis
scanty white or clear discharge in non-gonococcal urethritis
epidermoid cysts
dome-shaped white or yellow papules or nodules formed by occluded follicles fills with keratin debris of desquamated epithelium-benign
palpation
testis/epididymis–spermatic cord
inguinal hernia
right index finger close to inferior margin of scrotal sac, move finger upward along inguinal canal, invaginating scrotum. follow upward to the inguinal ligament. find triangular slitlike opening of the external inguinal ring just above and lateral to pubic tubercle. palpate external ring and floor-pt bears down
scrotal edema
pitting edema seen in chf or nephrotic syndrome
hydrocele
nontender, fluid-filled mass within the tunica vaginalis. +transillumination, and the examining finders can get above the mass within the scrotum
scrotal hernia
usually an indirect inguinal hernia-comes through the external inguinal ring, so the examining fingers cannot get above it w/in the scrotum
genital warts
condylomata acuminata-single or multiple papules or plaques of variable shapes-may be raised, flat, or cauliflower-like-HPV
primary syphilis
small red papule that becomes a chancre or painless erosion up to 2cm in dia. base of chancre is clean, red, smooth, and glistening-heals w/in 3-8 weeks. caused by treponema pallidum. incubation 9-20 days
20-30% of patients develop secondary syphilis-coexist with HIV.
may develp LAD inguinal-
genital herpes simplex
small scattered or grouped vesicles. herpes simplex virus. fever, malaise, HA, arthralgias, local pain, edema, LAD.
acute orchitis
testes acutely inflamed, painful, tender, and swollen. It may be difficult to distinguish from epididymitis. scrotum may be reddened. seen in mumps and other viral infections-usually unilateral
tumor of testes
painless nodule
spermatocele and cyst of epididymis
painless, movable cystic mas just above the testis suggests spermatocele or an epididymal cyst. both transilluminate
varicocele of spermatic cord
“bag of worms”=varicose veins of the spermatic cord, usu found on the left. separate from the testis, slowly collapses when the scrotum is elevated in the supine patient
acute epididymitis
1STI-acutely inflamed is tender and swollen and may be difficult to distinguish from the testis. scrotum may be reddened and the vas deferens inflamed. occurs chiefly in adults. coexisting UTI or prostatis supports diagnosis
torsion of spermatic cord
torsion, or twisting, of the testicle on spermatic cord produces acutley painful, tender, and swollen organ that is retracted upward in the scrotum. scrotum red and edematous. no assoc uti. surgical emergency r/t obstructed circulation
indirect inguinal hernia
most common, all ages, both sexes-often in children. point of origin above inguinal ligament, near ints midpoint-often into the scrotum. hernia often comes down into the inguinal canal during straining-touches examiners fingertip
direct inguinal hernia
less common-usu in men older than 40. rare in women. above inguinal ligament, close to the pubic tubercle. rarely into scrotum. hernia bulges anteriorly and pushes the side of the finger forward
femoral hernia
less common. more common in women than men. originates below the inguinal ligament; appears more lateral than an inguinal hernia. hard to differentiate from lymph nodes. never into the scrotum. inguinal canal is empty