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Animal Science 1401 Lecture Final > Male Reproduction > Flashcards

Male Reproduction Flashcards

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Biology 101 flashcards
1
Q

(def) the number of live offspring born in a given period

A

Reproductive efficiency

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2
Q

What factors affect reproductive efficiency?

A

Genetic potential, nutrition, season, and environment

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3
Q

(def) Taking a female and having her gain weight, leads to a higher number of eggs

A

Flushing

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4
Q

What is spermatic genesis?

A

Formation of sperm cells, happens daily, constantly

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5
Q

What is the primary sex organ of the male?

A

Testis

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6
Q

Sperm are produced by the _______.

A

Seminiferous tubules

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7
Q

How long does it take for sperm to be produced from scratch?

A

6 weeks

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8
Q

Testosterone is produced by the _______ within the _______.

A

Interstitial cells
Testicle

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9
Q

Function of the epididymis?

A

Long tube attached to the side of the testicle that functions as an area for sperm maturation and storage

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10
Q

(def) A tube that transports sperm from the epididymis to the urethra

A

Vas deferens

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11
Q

Where is the ampulla located?

A

Where the vas deferens joins the urethra

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12
Q

What animal does not have an ampulla?
- Bull, stallion, ram, boar

A

Boar

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13
Q

What gland secretes nourishment and stimulates the activity of sperm?

A

Prostate gland

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14
Q

What does the vesicular gland (seminal vesicles) do?

A

Neutralizes urine residue

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15
Q

What does the bulbourethral gland do?

A

Adds volume to the ejaculate

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16
Q

(def) Organ of copulation and passageway for urine and semen

A

Penis

17
Q

(def) Spongy tissue that fills with blood making the penis rigid

A

Cavernosum tissue

18
Q

Type of penis?
- Sigmoid flexure, s-shaped, bull, boar, ram

A

Fibroelastic

19
Q

Type of penis?
- No sigmoid flexure, stallion, dog

A

Vascular

20
Q

What is the only animal that can get into the cervix?

A

Boars

21
Q

(def) Contains and protects testicles as well as regulates temperature

A

Scrotum

22
Q

Testicular temperature is ___ - ____ degrees cooler than body temp

A

4 - 5

23
Q

What is cryptorchid/ monorchid?

A

Testicles don’t come down, “hidden” testicle

24
Q

(def) Chemical messengers within the body that regulate body functions

A

Hormones

25
Q

What does GnRH do?

A

Produced by the hypothalamus, stimulates LH and FSH release

26
Q

What does FSH do?

A

Stimulates development of sperm

27
Q

What does LH do?

A

Stimulates secretion of testosterone

28
Q

What does the gonadal hormone do?

A

Produced by the intestinal cells of the testicles, stimulates the growth of the reproductive tract and masculine characteristics

Animal Science 1401 Lecture Final (8 decks)

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