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Anatomy > 19 Reproductive (Lecture) 8 > Flashcards

19 Reproductive (Lecture) 8 Flashcards

1
Q

Puberty marks

A

reproductive maturity M-12yo F-11yo

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2
Q

Adolescence marks

A

mental maturity F18-20 M?

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3
Q

somatic cells contain

A

a full compliment of chromosomes

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4
Q

Sex Chromosomes

A

X & Y are the 23rd

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5
Q

Female chromosomes

A

XX

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6
Q

Male chromosomes

A

XY

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7
Q

Barr bodies

A

X chromosome goes dormant

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8
Q

Autosomes are the ____________chromosomes

A

Non sex chromosomes

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9
Q

gametes are

A

Sex cells

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10
Q

Gametes contain how many chromosomes

A

23

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11
Q

Meiosis is?

A

cell division that reduces chromosome numbers by half

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12
Q

Testes

A

gamets found here

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13
Q

Spermatozoa=

A

Sperm

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14
Q

Where does Meiosis occur?

A

Ovaries

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15
Q

Oocyte=

A

egg

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16
Q

Polar bodies=

A

the eggs that die

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17
Q

How many eggs does a 5mo gestation female have?

A

6-7 million

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18
Q

How many eggs does a new born female have?

A

2 million

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19
Q

How many eggs does a female at puberty have?

A

300,000

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20
Q

What is the scrotum comprised of

A

it is a fibro muscular sack holds testes

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21
Q

Testes are

A

internal genitailia

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22
Q

*Seminiferous tubules are located where?

A

they are ducts inside the testes

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23
Q

*Seminiferous tubules are comprised of two types of cells…

A

Spermatogonia and Nurse cells

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24
Q

*Spermatogonia cells…

A

are stem cells the produce new male sperm cells (sex cells are dormant (non-swimming)

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25
Q

*Nurse cells…

A

produce blood teste barrier. No blood is allowed in this area

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26
Q

Blood testis barrier

A

WBC’s would destroy spem cells

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27
Q

Seminiferous fluid

A

produced by nurse cells carry sperm

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28
Q

Interstitial cell of the testes

A

makes testosterone

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29
Q

The Male duct system includes

A

Epididymis, Spermatic cord, Ductus deferens, Ampulla, Ejaculatory duct, Inguinal canals, Urethra

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30
Q

Epididymis does what

A

Stores inactive sperm cells

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31
Q

Spermatic cord

A

connects testes to male pelvis

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32
Q

Ductus deferens has two parts

A

Ampulla thick distal end & the Ejaculatory duct which passes through the prostate sperm cells only enter during ejactulation.

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33
Q

Inguinal canals

A

openings that allow testes out of male pelvis

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34
Q

Urethra Male

A

common passage for urine and sex cells.

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35
Q

When do sperm cells begin swimming?

A

When the come in contract with fructose

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36
Q

Seminal vesicles

A

deposite 60% of volume of semin

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37
Q

Prostate gland contributes

A

30% of the volume of semen and a substance that prevents UTI

38
Q

Bulbourethral glands contribute

A

5% of the volume of semen and an alkaline mucus that stabilizes the pH of the urethra.

39
Q

Seminal Fluid

A

from glands not including sperm cells

40
Q

Semen

A

seminal fluid including sex cells

41
Q

Male Hormones

A

FSH, LH, Testosterone

42
Q

FSH male

A

comes from anterior pituitary stimulates production of sperm cells.

43
Q

LH male

A

stimulates release of testosterone

44
Q

Testosterone male

A

responsible for primary and secondary sex characteristics

45
Q

Cortex of an ovary

A

outter edge contains eggs

46
Q

Oocytes=

A

eggs

47
Q

Follicle

A

surrounds and protects an egg. It is the follicle that expands and grows not the egg

48
Q

Medulla of ovary

A

no eggs in the medulla

49
Q

Ovarian ligament

A

attaches the ovary to the uterus

50
Q

Suspensory ligament

A

attaches ovary to abdominal wall

51
Q

*Ampulla (latin for flask) of fallopian tube (oviduct)

A

second portion of the fallopian tube. It is an intermediate dilated portion, which curves over the ovary. It is the most common site of fertilization.

52
Q

Oviducts =

A

Fallopian tube

53
Q

*Fimbriae

A

a fringe of tissue around the lateral end of the Fallopian tube. catches a released egg

54
Q

*Infundibulum

A

infundibulum is between the ampulla and the fimbriae.

Together, the infundibulum and fimbria find the oocyte after ovulation.

55
Q

*Isthmus

A

visible medial third of the uterine tube is the isthmus of uterine tube.

56
Q

Cilia inside the fallopian tube

A

create a current the egg rides on

57
Q

Peristalsis of the fallopian tube

A

contractions of smooth muscle push the egg along

58
Q

Uterus has three layers

A

Perimetrium, Myometrium, Endometrium

59
Q

Perimetrium

A

surrounding connective tissue

60
Q

Myometrium

A

muscle layer

61
Q

Endometrium

A

layer that grow every month part of this layer is shed every month.

62
Q

Fornix of Uterus (The word ‘fornix’ is Latin for ‘arch’)

A

The fornices uterus are the deepest portions of the vagina, extending into the recesses created by the vaginal portion of cervix.

63
Q

Round ligament

A

connects uterus to anterior pelvis

64
Q

Uteralsacral ligament

A

connects uterus to sacrum

65
Q

Broad ligament has 3 parts

A

Mesovarium, Mesosalpinx, Mesometrium

66
Q

Mesovarium

A

ligament around ovary

67
Q

Mesosalpinx

A

ligament around fallopian tube

68
Q

Mesometrium

A

connects to uterus

69
Q

pudendum

A

the external genital organs of a human being and especially of a woman

70
Q

Mons veneris

A

this is where round ligament attaches to uterus

71
Q

Labia majora

A

the rest of the round ligament attaches here

72
Q

Labia minora

A

protects the vestibule

73
Q

The vestibule =

A

Transistion zone

74
Q

Urethral orifice

A

opening for urine

75
Q

vaginal orifice

A

opening to birth canal

76
Q

hymen

A

thin covering of skin

77
Q

vestibular gland ostia

A

opening to vestibular gland

78
Q

Introitus

A

birth canal only

79
Q

vestibular glands

A

mucus making

80
Q

lactiferous lobes (mammary glands) have

A

alveoli, laterferous ducts, and suspensatory ligaments

81
Q

Mammary Alveoli

A

hollow spheres that make milk

82
Q

lactiferous ducts

A

transport milk toward nipple

83
Q

Suspensory ligaments

A

attach mammary glands to chest wall

84
Q

Prolactin

A

responsible for production of milk

85
Q

Oxytocin

A

release of milk during nursing the let down reflex

86
Q

Pre ovulation cycle

A

first 14 days

87
Q

*Estrogen

A

gives females primary and secondary sex characteristics

88
Q

Ovulation

A

release of an egg from a follicle occurs around day 14

89
Q

Menstruation

A

marks the beginning of the cycle

90
Q

Proliferative phase

A

when endomytrium is regrowing

91
Q

*Corpus luteum is

A

an empty follicle

92
Q

*Corpus albicans is

A

scar leftover from inactive luteum

Anatomy (30 decks)

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