Anatomy (M1B1) Flashcards
(28 cards)
the major components of the male reproductive sys?
testis, epididymis, ductus deferens, ejaculatory duct on each side, and the urethra and penis
three types of accessory glands
are associated with the male reproductive system are?
- a single prostate
- a pair of seminal vesicles
- a pair of bulbo-urethral glands
the tests drainage ducts are called?
ductus deferens
The lymph drainage of the testes goes to?
the lateral aortic or lumbar nodes and pre-aortic nodes
Each ellipsoid-shaped testis is enclosed within the end of an elongated
………….
musculofascial pouch
tube-shaped connection between the pouch in the scrotum and the
abdominal wall is called the?
spermatic cord
testis suspend in the scrotum by?
spermatic cord
the testis are covered by 3 coats which are?
- tunica vaginalis
- tunica albuginea
- tunica vasculosa
(out to in)
what is the scrotum
The bag of skin that holds and helps to protect the testicles.
(left scrotum hangs lower)
dense white fibrous coat that covers the testis all around is the?
tunica albuginea
site of spermatogenesis where germ cells develop into spermatozoa
seminiferous tubules
Spermatozoa are produced by the?
seminiferous tubules
The 400 to 600 highly coiled seminiferous tubules are modified
at each end to become straight tubules, which connect to a collecting chambers called?
rete chamber
a network of fibrous connective tissue that extends from the top to near the bottom of each testis?
mediastinum testis
a series of parallel thin, delicate tubules that connect the rete testis to a single tube, the epididymis, is the?
efferent ductules
Testicular tumors generally occur in
younger patients between what ages?
20-40
(Surgical removal of the malignant testis is often carried out using an inguinal approach. The testis is not usually removed through a scrotal incision, because it is possible to spread tumor cells into the subcutaneous tissues of the scrotum, which has a different lymphatic drainage than the testis)
long, coiled tube that stores sperm and transports it from the testes is the?
Epididymis
responsible for producing the sperm cells through a process called spermatogenesis
Epididymis has two distinct components which are?
• the efferent ductules, which form an enlarged coiled mass that sits on the posterior superior pole of the testis
and forms the head of the epididymis
• the true epididymis, which is a single, long coiled duct into which the efferent ductules all drain, and which continues inferiorly along the posterolateral margin of the testis as the body of the epididymis and enlarges to form the tail of the epididymis at the inferior pole of the testis.
The testicular veins emerge from the testis and the epididymis as
a venous network called the?
pampiniform plexus
condition in which the veins of the pampiniform plexus are elongated and dilated?
Varicocele
(is a common disorder in adolescents and young adults, with most occurring on the left side. This is thought to be because the right testicular vein joins the low-pressure inferior vena cava, whereas the left vein joins the left renal
vein, in which the venous pressure is higher)
A malignant tumor of the testis spreads upward via?
lymph vessels to the lumbar
The lymph vessels (see Fig. 4.22) ascend in the spermatic cord and end in the lymph nodes on the side of the aorta (lumbar or para-aortic) nodes at the level of the 1st lumbar vertebra
…
pouch of serous membrane that covers the testes?
tunica vaginalis
an enlargement of the veins within the loose bag of skin that holds your testicles is the?
varicocele
