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Flashcards in Last Chapter!!! Deck (65):
1

____ transports and stores sperm

Ducts

2

VAS derferens and URETHRA

Epididymis

3

-paired oval glands containing SEMINFEROUS TUBUCLES
-lined by SPERMATOGENIC cells

Testes

4

Sperm production occurs in SEMINIFEROUS TUBUCLES

Spermatogensis

5

Forms SECONDARY spermatocytes

MEIOSIS

6

Spermatogensis results in the formation of _____ HAPLOID sperm EACH with _____ chromosomes

4 haploid sperm
23 chromosomes

7

Produce 300 million a day
Survive 48 HRS

Sperm

8

Parts of sperm
_____ contains enzymes that penetrate egg

Head

9

Parts of sperm
_____ flagellum,permits movement

Tail

10

Controlled by NEGATIVE feedback

Hormonal control

11

At PUBERTY hypothalamus releases GaRH that stimulates ANTERIOR pituitary to release _______ and ____

LH and FSH

12

LH stimulates ______ to release TESTOSTERONE stimulate Spermatogensis

Leydig cells

13

At PUBERTY TESTERONE levels ____ developing male sex characteristics

Rise

14

TESTERONE stimulates anabolism; _____ and _____ growth

Muscle and bone growth

15

SEMINAL vesicles secrete an ALKALINE fluid rich in FRUCTOSE neutralizing acidity in female reproductive tract

Accessory glands

16

Surrounds UPPER urethra and size usually remains STABLE until about AGE 45

Prostate

17

PARASYMPATHETIC impulses increase blood flow causing an ERECTION

Autonomic control

18

____ impulses cause emission; vas deferens contracts and SPHINCTER at base of BLADDER closes

SYMPHATIC

19

Consists of OVARIES,FALLOPIAN TUBES and UTERUS

female reproductive system

20

Outer portion of ovaries contains developing FOLLICLES

Ovarian cortex

21

Ovulates secondary oocyte

Mature gradifian follicle

22

Produces estrogen and progesterone

CORPUS LUTEUM

23

Unlike spermogensis ______ begins BEFORE birth

Oogensis

24

_____ that form eggs NOT replaced after birth

Oocytes

25

______ meiosis starts forming PRIMARY Oocytes

BEFORE BIRTH

26

________, during each reproductive cycle primary oocyte forms 1 HAPLOID SECONARY oocyte (ovulated)

AFTER PUBERTY

27

________ Secondary oocyte becomes ovum (egg)

FOLLOWING FERTILIZATION

28

Sperm and ovum ____ forming diploid zygote cell

UNITE

29

Extend LATERALLY from uterus

Fallopian tubes

30

Fimbriae pull ____ oocyte into Fallopian tube

Secondary oocyte

31

______ move secondary oocyte towards uterus

Cillia

32

__________ usually occurs in Fallopian tubes

FERTILIZATION

33

Fertilized egg reaches uterus in ______ days

7 days

34

Site of IMPLANTATION

Uterus

35

Dome shaped area

Fundus

36

Central portion

Body

37

Narrow portion

Cervix

38

Produce testosterone

Testes

39

Inner layer

Endometrium

40

Muscle layer

Myometrium

41

Includes cycles (events) in OVARIES and UTERUS AVERAGING 28 days

Female reproductive cycle

42

_____ cycle forms the secondary oocyte and corpus luteum

Ovarian cycle

43

_____cycle involves changes to endometrium

Uterine

44

____ stimulated follicular growth and estrogen secretion

FSH

45

_____ stimulates LH SURGE causing ovulation

HIGH ESTROGEN

46

_______ prepares endometrium for implantation

Progesterone

47

Occurs in ____ phases

4

48

1st 5 DAYS of 28 day cycle

Menstrual phase

49

Ovarian follicles enlarge

Ovaries

50

Uterine arteries constrict

Uterus

51

Slough off

Endometrium

52

6TH-13TH day is the most VARIABLE PHASE

Pre ovulatory phase

53

Follicles continue growth secreting estrogen

Ovaries

54

Growth of new endomentrium

Uterus

55

14th day

Ovulation

56

LH surge causes ovulation; over the cornter test measures LH levels

Ovaries

57

15th-28th day

Postovulantory phase

58

Graafian follicle forms corpus luteum

Ovaries

59

If NO fertilization occurs corpus luteum FORMS CARPUS ALBICANS causing progesterone and estrogen to ____

Decrease

60

A NEW CYCLE begins by INCREASING GnRH,FSH and LH levels and ________ occurs in uterus

Menstruation

61

If fertilization OCCURS human chronic gonadotropin (hCG) produced; _______

Deteacted by pregnancy test

62

_______ GNRH rises stimulating LH and FSH secretion increasing sex hormones levels

AT PUBERTY

63

In ______ menopause occurs between ages 40-50

Females

64

Ovaries become LESS responsive to GNRH resulting in a decreased estrogen secretion increasing risk of _______

Osteoporosis

65

In MALES TESTERONE declines at about age ___

55