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Gross Anatomy Exam 3 > Testis > Flashcards

Testis Flashcards

1
Q

what are the two functions of the testis?

A

1) production of spermatozoa (gameotogensis)

2) secretion of androgens (testosterone)

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2
Q

what is the outer covering of the testis?

A

Tunica Albuginea

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3
Q

what is the tunica vaginalis?

A

the deepest layer of the scrotum

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4
Q

the testis is divided by septa into numerous wedge shaped portions called what?

A

lobules

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5
Q

what is the fibrous compartment in the posterior part of the testis?

A

Mediastinum testis

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6
Q

what is the sperm production of the testis?

A

seminiferous tubules

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7
Q

what is an elaborate network of canals located within the mediastinum testis into which the straight tubles empty?

A

Rete Testis

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8
Q

what connects the rete testis to the head of the epididymis?

A

efferent ductules

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9
Q

what is the C shaped structure attached to the superior and posterior aspect of the testis?

A

epididymis

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10
Q

what are the 3 parts of the epyididymis

A

1) head 2) body 3) tail

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11
Q

the lymphatic drainage of the testis is where?

A

the lumbar nodes

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12
Q

the lymphatic drainage of the scrotum is where?

A

superficial inguinal nodes

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13
Q

what do the testis descend thru?

A

the inguinal canal

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14
Q

what ligament pulls the testis downward and thru the inguinal canal during its decent?

A

the gubernaculum testis

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15
Q

what is cryptorchidism?

A

an undecended testicle

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16
Q

what is the % of cryptorchidism in full term infants?

A

3%

17
Q

what is the % of cryptochidism in premies?

A

30%, and this number increases with the more prevalent this is

18
Q

what happens if testes do not descend?

A

infertility takes place

19
Q

what do undecended testes increase the likelyhood of?

A

the increase risk of cancer

20
Q

what makes testes descend and if they are aren’t descended when does that usually happen?

A

testosterone makes them descend, and they usually descend within the 1st week to the 1st month

21
Q

T/F most undescended testis are bilateral

A

false, 95% are unilateral

Gross Anatomy Exam 3 (21 decks)

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