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Anatomy > Reproductive System II > Flashcards

Reproductive System II Flashcards

1
Q

The Seminal Gland produces

A

70% of semen

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2
Q

The Prostate Gland produces

A

25% of semen

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3
Q

The Bulbo-urethral Gland produces

A

Pre-cum, which is slightly alkaline

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4
Q

What is the function of the pre-cum being slightly alkaline?

A
  • Helps neutralize any acidic traces of urine in urethra

- Prevents sperm from like dying

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5
Q

Pre-cum has mucin in it which allows for

A

Lubrication of the urethra

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6
Q

Accessory Glands are responsible for

A

Producing bulk of volume of semen

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7
Q

How many tubules are found in a lobe?

A

4-6 seminiferous tubules

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8
Q

How many lobes are found per testes?

A

250 lobes

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9
Q

Testicular Cancer is most common found in

A

Men 15-35

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10
Q

A Vasectomy is when the

A

Vas Deferens gets cut / ligated

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11
Q

What happens during ejaculation to prevent urine leaving the bladder?

A

A sphincter closes

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12
Q

Semen is the mixture of

A

Glandular fluid + sperm

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13
Q

Seminal fluid contains

A

Enzymes which cause coagulation and mobilization

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14
Q

Seminal fluid has fructose which provides energy for

A

Sperm

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15
Q

Seminal fluid has prostaglandins which allow for

A

Cervix to open

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16
Q

Semen is slightly

A

Alkaline

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17
Q

Erection is the act of

A

Enlargement and stiffening of the penis

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18
Q

What allows for the penis’ arterioles to relax during arousal?

A

Nitric oxide is released

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19
Q

What happens when the penis is relaxed?

A

The diameter widens and there is an increase in blood flow

20
Q

Males have a refractory period, meaning that after ejaculation they are

A

Unable to respond to stimulus

21
Q

Spermatogenesis is the process by which

A

Males make sperm

22
Q

Spermatogenesis happens in the

A

Seminiferous tubules

23
Q

Spermatogenesis involves both

A

Mitosis and Meiosis

24
Q

Mitosis results in

A

2 identical daughter cells

25
Q

Meiosis is the process of

A

Gamete formation

26
Q

Spermatogenic cells (or spermatogonia) give rise to

A

Sperm

27
Q

Mitosis of Spermatogonia forms

A

Two spermatocytes, which are diploid cells

28
Q

Each mitotic division of Spermatogonia gives rise to

A
  • One type A

- One type B

29
Q

What happens to the formed Type A cell?

A

It stays behind and continues being stem cell, meaning it will divide again

30
Q

What happens to the formed Type B cell?

A

It grows and becomes primary spermatocyte

31
Q

What happens to the primary spermatocyte during Meiosis?

A

The spermatocytes form secondary spermatocytes

32
Q

Meiosis I results in

A

Two secondary spermatocytes

33
Q

What happens in Meiosis II?

A

Each secondary spermatocytes becomes two spermatids (with a total of 4)

34
Q

Spermiogenesis is the process in which

A

Spermatids become sperm

35
Q

The 4 produced spermatids then become

A

4 sperms

36
Q

During the Spermiogenesis, what gets made?

A
  • Acrosom
  • Midpiece
  • Elongated Nucleus
37
Q

The Acrosom is important for fertilization because it

A

Contains enzymes which allow for the penetration of the egg

38
Q

The Midpiece is the

A

Flagella of the sperm

39
Q

The Midpiece has a

A

Mitochondria which power the tail

40
Q

Sperm and egg production are under control of the

A

Endocrine System

41
Q

Endocrine system is driven by the activity of the

A

Pituitary gland

42
Q

The Anterior lobe of the pituitary gland contains which hormones?

A

Growth, thyroid, follicle stimulating hormones

43
Q

Follicle stimulating and Luteinizing hormones are controlled by the

A

Hypothalamus

44
Q

Hypothalamus releases GnRH which

A

Tells the Anterior to produce hormones

45
Q

GnRH will bind to the

A

Anterior gonadotropic cells

Anatomy (46 decks)

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