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Anatomy & Physiology 2 > Reproductive System > Flashcards

Reproductive System Flashcards

1
Q

Where does approximatly 60% of seminal fluid come from?

*******

A

Seminal vesicle

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2
Q

What does the seminal fluid that comes from the seminal vesicle contain?
**

A

Fructose that nourishes sperm

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3
Q

Where does approximatly 30% of seminal fluid come from?

***

A

The Prostate Gland

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4
Q

What does the seminal fluid coming from the prostate contain?
**

A

Enzymes that activate sperm

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5
Q

Where does approximatly 5% of seminal fluid come from?

**

A

bulbourethral gland

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6
Q

What does the seminal fluid from the bulbourethral gland do?

****

A

washes away urine residue

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7
Q

Where does spermatogenisis occur?

A

In the seminiferous tubules

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8
Q

Where does maturation of the sperm occur?

A

in the epididymis

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9
Q

How many chromosomes do humans have?

A

46

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10
Q

What are the steps in Spermatogenisis?

A

Mitosis->Primary spermatocyte->Meosis 1->Secondary spermocyte->Meosis 2->Spermatid->Spermogensis (Maturation of the sperm cells)

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11
Q

What are the three parts of the sperm and what do they do?

A

Acrosome-Allows sperm to penetrate egg
Middle Piece->has a abundance in mitochondria
Tail->flagellum cell

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12
Q

What is it called when information is exchanged between homologous chromosomes

A

Crossing over

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13
Q

What connects the seminiferous tubules to the epididymis?

A

rete testes

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14
Q

What surrounds the seminiferous tubules?

A

intersitial cells which produce testosterone

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15
Q

How long does it take for sperm to mature?

A

12-16 days

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16
Q

What propels sperm from the epididymis to the urethra?

A

vas deferens and ejaculatory ducts

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17
Q

What stimulates LH and FSH release from the anterior pituitary?

A

GnRH

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18
Q

What hormone stimulates ICF cells to produce testosterone?

A

LH

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19
Q

What hormone stimulates sperm cell secretions?

A

FSH

20
Q

When does oogenesis occur?

A

before birth

21
Q

When does the secondary oocyte complete meiosis 2?

A

if the oocyte is fertilized

22
Q

What does the primary follicle release?

A

the Primary oocyte

23
Q

What does the tertiary or Graaphian folical release?

A

it releases the Secondary oocyte

24
Q

What secrete progesterone?

A

the corpus inteum

25
Q

What hormone is important for maintaining the endometrium?

A

Progesterone

26
Q

When no longer needed, the corpus inteum becomes?

A

the corpus albicaus

27
Q

What are the three layers of the uterine wall?

A

endomtrium
Myometrium
perimetrium

28
Q

What is fertilization?

**

A

The joining of the sperm cell and a secondary oocyte to form a zygote

29
Q

What is an embryo?

****

A

the development of a human between time of fertilization and 8 weeks of development

30
Q

What is a fetus?

****

A

the developing of a human from 9 weeks to birth

31
Q

What type of tissues line fallopian tube?

A

simple ciliated columnar epithelium

32
Q

What type of tissue lines the vaginal wall?

A

moist stratified squamous epithelium

33
Q

What do the mammary glands do?

A

produce milk

34
Q

The _________ ducts empty through the nipple.

A

Latiferous ducts

35
Q

What surrounds the nipple?

A

areola

36
Q

What stimulates the endometrium to build up in preparation for implantation?

A

Estrogen

37
Q

What maintains endometrium after estrogen builds it up?

A

progesterone

38
Q

What hormone occurs mid-cycle and is responsible for ovulation?

A

LH surge

39
Q

What occurs when progesterone decreases?

A

menses

40
Q

What are the phases of the Menstrual cycle?

A

Day-
1-5: Menstrual phase, sheds all but deepest part of endometrium
6-14: Proliferation phase, endometrium rebuilds itself
14-28: Secretory phase, endometrium prepares itself for implantation

41
Q

What does prolactin do?

A

stimulates mammary gland to produce milk

42
Q

What does oxytocin do?

A

responsible for contractions and milk letdown

43
Q

What is morula?

A

solid ball of cells 16-32 cells

44
Q

What is a blastocyst?

A

has a cavity

45
Q

What is a gastrula?

A

3 germ layers -
Ectoderm
Endoderm
Mesoderm

Anatomy & Physiology 2 (11 decks)

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