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Anatomy & Physiology > Chapter 19: Reproduction > Flashcards

Chapter 19: Reproduction Flashcards

1
Q

_____ is the process by which a single cell duplicated its genetic Material. Otherwise known as Mitosis.

A

Reproduction

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2
Q

____ _____ enables us to maintain ourselves.

A

Cellular Reproduction

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3
Q

A fertilized egg is also known as a

A

Zygote

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4
Q

Cellular Division that produces the sex cells is called

A

Meiosis

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5
Q

How many chromosomes does one gamate (Sex cell; e.g. Sperm/Egg) contain.

A

23

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6
Q

How many chromosomes does a zygote contain?

A

46

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7
Q

What is the purpose of the Reproduction System

A

To produce Offspring

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8
Q

What are the primary sex organs of the male reproductive system?

A

Testes/Gonads

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9
Q

_____ is an outpouching of the abdominal wall, and is the supporting structure of the testes.

A

Scrotum

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10
Q

Externally, the scrotum appears as a signle pouch of skin separated into lateral portions by a median ridge known as the ____

A

Raphe

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11
Q

A ______ separates the scrotum into two sacs.

A

Septum

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12
Q

The ____ muscle located in the spermatic cord, contracts and elevates the testes during exposure to cold, so that the testes may come closer to the pelvic cavity and absorb more body heat.

A

Cremaster

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13
Q

Dense layer of white fibrous connective tissue covering the testes that divides each teste into a number of smaller, internal compartments known as lobules.

A

Tunica Albuginea

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14
Q

Each lobule contains three tightly coiled tubules called

A

Convoluted Seminiferous tubules

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15
Q

The Seminiferous Tubules produce the sperm by a process called

A

Spermatogenesis

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16
Q

Immature Sperm cells are called

A

Spermatogonia

17
Q

The daughter cells of the Spermatogonia, created by mitosis are called

A

Primary Spermatocytes

18
Q

The Primary spermatocytes undergo the cellular reduction division called

A

Meiosis

19
Q

After the Primary Spermatocytes endure the first stage of Meiosis, they are now considered ______ ________ , and their chromosomes are reduced from 46 to 23.

A

Secondary Spermatocytes

20
Q

After the Secondary Spermatocytes go through the second stage of Meiosis, they are then called _______. These eventually mature into sperm cells.

A

Spermatids

21
Q

These cells produce secretions that supply nutrients for the developing sperm cells.

A

Sertoli

22
Q

Mature Sperm cells are also called

A

Spermatozoa

23
Q

This produces testosterone

A

Interstitial cells of Leydig

24
Q

Spermatozoa are produced at a rate of

A

300 million per day.

25
Q

Sperm cells have a life expectancy of ______ after leaving the gonads.

A

48 hours

26
Q

The _____ of the sperm cell is developed from the nucleus of a spermatid cell and contains the genetic material.

A

head

27
Q

The _____, which is found on the head of the sperm cell, contains enzymes that aid the sperm cell in penetrating the covering of the female egg cell or ovum.

A

Acrosome

28
Q

The middle piece or _______ of the sperm cell contains numerous mitochondria, which produce ATP that provides the energy for locomotion.

A

Collar

29
Q

The tail of the sperm cell is called

A

Flagellum

30
Q

Network of ducts found in the Testes

A

Rete Testes

31
Q

When the sperm cells are ready to exit the Testes, they go through a series of efferent ducts, and empty into a single tube known as the _____ ________

A

Ductus Epididymus

32
Q

The _______ is a comma-shaped structure located along the posterior border of the testes that contains the Ductus Epididymus

A

Epididymis

33
Q

After the Epididymis, the sperm is ready to be ejaculated from the next tube which is known as the ____ ____

A

Ductus Deferens, also known as the Vas Deferens, or also known as the Seminal Duct.

34
Q

The ________ _________ is a connective tissue sheath that encloses the Vas Deferens.

A

Spermatic Cord

35
Q

The end of the vas deferens has a dilated terminal portion known as the

A

Ampulla

Anatomy & Physiology (14 decks)

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