Lab Practical 3 Flashcards

1
Q

Gonads of the male.

A

Testes

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2
Q

These cells produce testosterone.

A

Interstitial Cells

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3
Q

Sac in which the testes are suspended outside the body.

A

Scrotum

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4
Q

Muscle used to regulate the temperature of the testes.

A

Dartos

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5
Q

A cap of enzymes that covers the nucleus of the sperm cell.

A

Acrosome

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6
Q

Contributes to genetic variety in the offspring.

A

DNA crossing-over

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7
Q

A passageway in the groin area in which the testes descend during development.

A

Inguinal Canal

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8
Q

Slender ducts in the testes in which sperm are produced.

A

Seminiferous Tubules

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9
Q

Surgical sterilization of the male.

A

Vasectomy

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10
Q

Portion of the penis removed by circumcision.

A

Prepuce

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11
Q

Base that neutralizes the acid within the female vagina.

A

Spermine

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12
Q

Organ that serves to deposit semen in female vagina.

A

Penis

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13
Q

Process in which a sperm cell undergoes meiosis producing four spermatoza.

A

Spermatogenesis

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14
Q

Location of sperm maturation. And is the organ that hangs over top the testes.

A

Epididymis

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15
Q

Gland that produces 10% of seminal fluid and spermine.

A

Cowper’s Gland

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16
Q

An XY zygote.

A

Male Offspring

17
Q

An XX zygote.

A

Female Offspring

18
Q

This is the tough layer surrounding the testes.

A

Tunica Albuginea

19
Q

A male stem cell that has 46 chromosomes.

A

Spermatogonia

20
Q

These cells provide nourishment to the sperm. Also called Sertoli.

A

Sustentacular Cells

21
Q

Where it allows the sperm to penetrate and fertilize the egg.

A

Capacitation

22
Q

Connective tissue that protects from the epididymis to the abdominal wall.

A

Spermatic Cord

23
Q

What is the first sperm cell division called?

A

Primary Spermatocyte

24
Q

What is the second sperm cell division called?

A

Secondary Spermatocyte

25
Q

DNA is located in the ____ sperm.

A

Head

26
Q

These have digestive enzymes inside the sperm and it helps the sperm burrow into the egg.

A

Acrosome

27
Q

This part of the sperm has mitochondria which provide the energy to help it swim.

A

Midpiece

28
Q

This part of the sperm has the ______ which allows it to swim. It is located inside the tail.

A

Flagellum

29
Q

This process is cell division that produces two daughter cells identical to the original stem cell.

A

Mitosis