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70 Cards in this Set
- Front
- Back
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2 compartment sac divided by a septum.
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the scrotum
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the septum that divides the scrotal sac is called the
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median raphe
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the median raphe causes the scrotum to _______ and ______
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contract and expand
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what 4 things does each compartment of scrotum contain.
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testis, epididimis, spermatic cord, vas deferens.
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what is the layer of muscle beneath the skin that forms the median raphe
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dartos
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what layer of the scrotal skin covers the testes, lines the sac and contains vessels
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tunica vaginalis
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what are the 5 excretory male genital passages
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epididimis
vas deferans vessels (art/veins/lymph) spermatic cord |
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what is the male reproductive gland
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the testis
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what is the average size of a testicle?
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4 x 3 x 2 cm
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what are the functions of the testis
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produce sperm
synthesis and secretion of hormones |
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gametogenisis is....
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the production of sperm
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Does the size of the testicle increase or decrease with age
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decrease
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what is the fibrous capsule which encases the testes
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tunica albuginea
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what structure helps for the mediastinum
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tunica abuginea
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what structure courses cranio caudally
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mediastinum
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what structure provides support for entering and exiting vessels and ducts
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mediastinum
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what is a comma shaped structure that curves along the posterior border, is isoechoic to testes.
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epididimus
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Is the epi homo or heterogenous
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homo
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what is the average length of the epi
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3-6
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what are the functions of the epi
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transport sperm and mature sperm
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what are the three segments of the epi
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head, body and tail
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what is the part of the epi most commonly seen on us
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head
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what part of the epi is superior to the teste
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head
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what part is post. and lat to the teste
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body
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when is the tail of the epi most likely to be seen?
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when there is a hydrocele
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what drains the head of the epi
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rete
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what is another name for vas deferans
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ductus deferans
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a thin walled palpable tube
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vas deferans
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what is the function of the vas deferans.
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pumps sperm to prostate gland and stores sperm for several hours
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a convoluted organ post to bladder. Aids in production of seminal fluid
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seminal vessels
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t/f
the seminal vessels are well visualized on us |
t
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act a reseviors which empty during ejaculation
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seminal vessels
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what are the 4 testicular arteries
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spermatic art
testicular art epid art deferintial art |
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what art. provides the primary blood supply to to the testicle
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testicular art
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what are the two testicular veins
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pampiniform plexus
cremasteric plexus |
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which vein drains testes and epi into IVC
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pampiniform plexus
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forms the stalk on which the testes hand
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spermatic cord
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network of tiny tubules in the testes that constantly produce sperm
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semineferous tubules
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what produces the make sex hormone
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semineferous tubules
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if you have a testicle that has decreased in size what are two possible outcomes
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common cause for infert.
symp of possible pituitary tumor |
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cryptorchidism
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undesended teste
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if you have an undescended testicle you are ___% more likely to have a malignant change
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48%
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if you have an indesended tesicle you are more likely to have
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infertility
torsion |
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at what gestational age would testicles usually descend
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36 weeks
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what is the most common GU anomaly in male infants
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undescended testes
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what are some causes of acute testicular pain
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torsion, epididimitis, epididimoorchitis, abscess, strangulated hernia
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the twisting of the testicle and spermatic cord comprimising vascularity.
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testicular torsion
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what is the most common age for torsion
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12-18 yrs
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the salvage the testicle 80-100% surgery must be completed within _____ to ____ hours
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4-6
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rupture of the tunica albuginea due to trauma
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testicular rupture
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common bacterial infection that can be caused by a UTI, trauma or STD
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epididymitis
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what is the most frequent casue of acute scrotum in the post pubertal make
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epididimitis
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inflammation of the testes due to trauma infection or tumor formation
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orchitis
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inflammation of testes and epi due to untreated epididimitis
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epidimorchitis
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what are the benign scrotal masses
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hydrocele
spermatocele varicocele scrotal hernia |
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most intratesticular lesions are ________
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malignant
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abnormal accumulation of serous fluid between layers of tunic vaginalis.
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hydrocele
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what is the most common cause of painless scrotal swelling
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hydrocele
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what are scrotal pearls
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calcificatons in the tunica vaginalis.
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benign cysts condidting of non viable sperm within the epi
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spermatocele
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spermatoceles are most commonly found in the.......
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epi head
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dilated testicular veins of the spermatic cord due to obstruction
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varicocele
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what can confirm dx of varicocele
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valsalva
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what is the rarest of the testicular CA types
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choriocarcinoma
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chorioCA is most common for what ages
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20-30
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what is the most common germ cell testicular CA found in infancy
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embronyl cell CA
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what is the most common test. ca
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seminoma
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what age is seminoma most commonly found
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40-50
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which CA has the best prognosis
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seminoma
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tumor which contains cells from teh different germs cell layers, endo, ecto and meso
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teratoma
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