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Animal Sciences 3200 > Male Repro > Flashcards

Male Repro Flashcards

1
Q

Sac that houses the testes and functions in protection and thermoregulation.

A

Scrotum

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2
Q

A flat, muscular sheet adhered to the inner surface of the scrotal skin that contracts and moves the testes toward the body for warming and relaxes and moves the testes away from the body for cooling

A

Tunica dartos

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3
Q

Contains the vas deferens, cremaster muscle, and pampiniform plexus and provides a pathway to the testis for vasculature, lymphatics, and nerves

A

Spermatic cord

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4
Q

What surrounds the vas deferens and pampiniform plexus?

A

parietal vaginal tunic

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5
Q

The strip of muscle that lends support to the testis and moves the testes closer tothe body for temperature regulation and contractions assist with the movement of blood through the pampiniform plexus

A

Cremaster Muscle

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6
Q

The dense connective tissue covering the testis

A

Tunica albuginea

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7
Q

The outermost, shiny tissue covering of the testes

A

Visceral vaginal tunic

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8
Q

The connective tissue core of the testes in pigs, sheep, and bulls that contain the rete testis

A

Mediastinum

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9
Q

Long, extremely convoluted tubes in the testis that function in spermatogenesis

A

seminiferous tubules

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10
Q

“Nurse cells” that help sperm to develop and mature and secrete fluid for sperm transport

A

Sertoli cells

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11
Q

Sperm with the head and tail visible

A

Spermatozoa

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12
Q

Spermatozoa are produced in the ______

A

Testes

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13
Q

Interstitial endocrine cells in the testes that produce androgens such as testosterone and are found outside of the seminiferous tubules in the interstitial space

A

Leydig Cells

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14
Q

Leydig cells are _____ cells

A

Endocrine

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15
Q

A duct that functions in transport, maturation, and storage of sperm.

A

Epididymis

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16
Q

A straight tube with a thick muscular wall that carries sperm from the epididymis to the urethra and expulses semen during maturation.

A

Vas Deferens

17
Q

Dilation of the vas deferens where it joins the urethra that functions as an accessory sex gland. Which species does not have this?

A
  • Ampulla

- Boar

18
Q

The accessory sex gland that adds fluid to add bulk and nutrients such as fructose to the ejaculate. Which species does not have this?

A
  • Seminal Vesicles

- Canine

19
Q

A compound exocrine gland that is a single, unpaired gland. It is H-shaped in the _____ and is the primary accessory sex gland in the _____.

A
  • Prostate gland
  • Stallion
  • Dog
20
Q

What are the two accessory sex glands in the dog?

A

Ampulla and prostate

21
Q

Exocrine gland that lubricates the urethra, adds the gel-like component of boar semen that forms a cervical plug in naturally bred females. In ____ they are large.

A
  • Bulbourethral gland

- Boars

22
Q

The free end of the penis that is heavily populated with sensory nerve endings. Stimulation results in ejaculation.

A

Glans Penis

23
Q

Which species have a fibroelastic penis?

A

Bull, boar, ram

24
Q

The _____ ____ is an S-curve of the penis to shorten the length in a relaxed state.

A

Sigmoid flexure

25
Q

What accomplishes the shortening of the penis in a relaxed state?

A

Retractor penis muscle

26
Q

Which type penis engorges with blood to produce an eraction?

A

Vascular

27
Q

Which species have a vascular type penis?

A

Stallion, dog, cat, man

28
Q

True or False: stallion and dog also have retractor penis muscles even though the have a vascular penis to keep the non-erect penis within the sheath.

A

True

29
Q

Which species does not have the bulbourethral glands?

A

All species have this

30
Q

Which species have a urethral process?

A

Bull, Stallion, and as a filiform appendage in the ram

31
Q

Carries urine and sperm to be excreted.

A

Urethra

32
Q

Ventral erectile tissue that has the urethra running through it and is enlarged at the base of the penis

A

Corpus spongiosum

33
Q

Dorsal erectile tissue

A

Corpus cavernosum

34
Q

Functions in temperature regulation of the testes

A

Pampiniform plexus

35
Q

Function in spermatogenesis and hormone production

A

Testes

36
Q

Bony process in the penis of the dog and at that aids in stiffening during an erection and has a groove that houses the corpus spongiosum and urethra.

A

Os Penis

Animal Sciences 3200 (8 decks)

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