Chapter 5 (Spermatic Cord, Scrotum, and Testes) Flashcards

1
Q

Spermatic cord contains structures running to and from the ____ and suspends the testis in the ____.

A

Testes; scrotum

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2
Q

(Spermatic Cord)
Beings at the ____ ____, passes through the ____ ____, exits at the _____ _____ ____, and ends in the scrotum at the ______ border of the testis.

A

inguinal ring, passes through the inguinal canal, exits at the superficial inguinal ring, and ends in the scrotum at the posterior border of the testis.

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3
Q

(Spermatic Cord)

Coverings of the spermatic cord include the:

A
  • Internal spermatic fascia
  • Cremasteric fascia
  • External spermatic fascia
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4
Q

(Cremaster Muscle)
The _____ _____ contains loops of the cremaster muscles formed by the _____ ____ of the internal oblique muscle arising from the inguinal ligament.

A

cremasteric fascia; lowermost fascicles

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5
Q

(Cremaster Muscle)

Helps draw the testis ____ in the _____, particularly in response to cold.

A

superiorly; scrotum

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6
Q

(Cremaster Muscle)

In warm environments, the cremaster ____ and the testis ____ ____ in the scrotum.

A

relaxes; descend deeply

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7
Q

(Cremaster Muscle)

Both responses occur in an attempt to regulate temperature of the testes for _________

A

spermatogenesis

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8
Q

(Cremaster Muscle)

The cremaster muscle is innervated by the _______ nerve form the lumbar plexus

A

Genitofemoral

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9
Q

The scrotum is a cutaneous sac consisting of two layers:

A
  • Heavily pigmented skin

- Dartos fascia

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10
Q

(Scrotum)

Dartos fasica

A

A fat-free fascial layer including smooth muscle fibers (dartos muscle) responsible for the wrinkled appearance of the scrotum.

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11
Q

(Scrotum)
Contraction of the dartos fascia attached the scrotum to _____when cold and ____ ____ _____ in holding the testes closer to the body to help ___ ___ ____.

A

wrinkle when cold and assisting the cremaster; reduce heat loss

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12
Q

Nerve supply to the scrotum includes branches of the ___ ___to the antero lateral surface and branches of the ___ ___ to the posterior and inferior surfaces.

A

lumbar plexus; sacral plexus

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13
Q

(Scrotum: Nerve Supply)

These nerves include:

A
  • Genital branch of the genitofemoral nerve
  • Anterior scrotal nerves
  • Posterior scrotal nerves
  • Perineal branches of the posterior cutaneous nerve of the thigh
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14
Q

(Scrotum: Nerve Supply)

Genital branch of genitofemoral nerve

A

Supply the anterolateral surface

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15
Q

(Scrotum: Nerve Supply)

Anterior scrotal nerves

A

(AKA branches of the ilio-inguinal nerve) supplying the anterior surface

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16
Q

(Scrotum: Nerve Supply)

Posterior scrotal nerves

A

(AKA branches of the pudendal nerve) supplying the posterior surface

17
Q

(Scrotum: Nerve Supply)

Perineal branches of the posterior cutaneous nerve of the thigh

A

Supply the postero-inferior surface

18
Q

(Testes)

Male gonads consisting of ____ ____ ____ ____ that produce sperms and male hormones (primarily testosterone)

A

Paired ovoid reproductive glands

19
Q

(Testes)
Suspended in the scrotum by the ____ _____, with the left testis usually suspended more inferiorly to than the right testis.

A

Spermatic cords

20
Q

(Testes)
The surface of each testis is covered by the visceral layer of the _____ _____, except where the testis attaches to the epididymis and spermatic cord.

A

Tunica vaginalis (a closed peritoneal sac)

21
Q

(Testes)
The tunica vaginalis contains ______ and ____ ____ separated by a small amount of fluid, allowing the testis to move freely in the scrotum.

A

Visceral and parietal layers

22
Q

(Testes)
The testes also contain a touch fibrous outer surface known as the _____ _____ that thickens into a ridge on the internal aspect known as the ____ ____ ____ ____.

A

tunica albuginea; mediastinum of the testis

23
Q

(Testes)
Sperm is produced within long and highly coiled ____ _____, which make its way to the epididmyis by way of the _____ _____ in the mediastinum.

A

seminiferous tubules; rete testis

24
Q

(Epididymis)

An elongated structure on the posterior surface of the testis, formed by the convolutions of the ____ ____ _____ _____.

A

Duct of the epididymis

25
Q

(Epididymis)

Composed of a

A

head, body, and tail

26
Q

(Epididymis)

Efferent ductules of the testis transport …

A

newly developed sperms to the epididymis of the rete testes

27
Q

(Epididymis)

In the lengthy course of the duct, the sperms are _____ and ____ ____ _____.

A

stored and continue to mature.