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Last Lab Exam!!!! > Lab14 > Flashcards

Lab14 Flashcards

1
Q

The mail gonads or testes are made up of these coiled structures where sperm are produced

A

Seminiferous tubules

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2
Q

This structure runs along the top of the testes it is the location where spermature and are temporarily stored

A

Epididymis

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3
Q

In preparation of ejaculation the sperm move along the vast deferens and arrive first at this location which is just above the prostate gland

A

Ampulla

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4
Q

Secretions from this structure are added at the ambula

A

Seminal vesicle

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5
Q

A Milky solution that contains a buffer enzymes and nutrients is added to the semen by this gland

A

Prostate gland

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6
Q

Semen is ejaculated from the penis from the end of this tubular structure

A

Urethra

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7
Q

Eggs or OVA are produced stored and mature in this female reproductive system (hint the female gonads)

A

Ovaries

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8
Q

Over mature inside of this bundle of cells inside the female gonad

A

Follicle

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9
Q

Maturing follicles secrete this hormone which stimulates the growth of the uterine lining ( in case of pregnancy)

A

Estrogen

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10
Q

When estrogen levels Spike around day 12 there is a surge of secretion of_____ from the anterior pituitary

A

Luteinizing hormone

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11
Q

The ejection of the egg from the ovarian follicle is called

A

Ovulation

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12
Q

Rapid growth of the follicle and the release of the egg occur around day _____ of the cycle

A

14

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13
Q

Cilia on the inside surface of these finger like projections at the end of the fallopian tube help to draw the egg into the tube

A

Fimbriae

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14
Q

The egg lives for_____ ( range it with units) and if not fertilize will be removed along with the uterine lining during menstruation

A

12-24 hours

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15
Q

The technical term for the jelly coat discussed in the fertilization video is

A

zona pellucida

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16
Q

The first step in a sperm’s attempt to fertilize an egg is the release of ____ from the tip of the head onto the jelly coat to digest the outer layer

A

Acrosomal enzyme

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17
Q

Through polymerization of actin _____ is form and extends towards the vitelline envelope

A

Acrosomal process

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18
Q

For fertilization to take place the eggs receptors must bind specificity to this protein on the sperm’s acrosomal process

A

Bindin

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19
Q

After the plasma membranes of the sperm and the egg fuse _____ diffuses into the egg

A

Sodium

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20
Q

Through a series of chemical reactions other sperm are prevented from fertilizing the egg. These steps are blocks to ____

A

Polyspermy

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21
Q

Once all steps are taken to prevent more than one sperm from fertilizing the egg the egg creates a _____ in order to draw the sperms nucleus into the egg

A

Fertilization cone

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22
Q

The fertilized egg ( egg + DNA from sperm) is diploid and is called

A

Zygote

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23
Q

The product of an oocyte in the ovary is called

A

OoGenesis

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24
Q

Prior to birth the ovaries produced this number of oocytes

A

2 million

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25
Q

Fertilization of the egg occurs here in the fallopian tube

A

Ampulla

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26
Q

How many sperm are ejected during a ejaculation

A

1/2 billion

27
Q

Following ejaculation into the vagina a few thousand sperm can reach the egg within this amount of time

A

10-15 mins

28
Q

The zygote undergoes mitotic division called

A

Cleavage

29
Q

The solid ball of cells that enters the uterine cavity is called a

A

Morula

30
Q

After 2 Days in the uterine cavity the growing organism becomes a hollow ball of cells called a

A

Blastocyst

31
Q

The technical term for the outer layer of cells that becomes the placenta and embryonic membrane is

A

Trophoblast

32
Q

The inner Cell mass is called the _____ which reflects what it grows into

A

Embryoblast

33
Q

The process of the blaster site embedding itself into the uterine wall is called

A

Implantation

34
Q

Implantation begins about _____ days after fertilization

A

7

35
Q

Pregnancy is initiated when this process takes place

A

Implantation

36
Q

The technical term of the differentiation and formation of the three germ layers is called

A

Gastrulation

37
Q

The three germ layers are named

A

1) endoderm (inner)
2) ectoderm (outer)
3) mesoderm (middle)

38
Q

This germ layer will become the skin and structures of the nervous system

A

Ectoderm

39
Q

This germ layer will become the bone muscle and connective tissue

A

Mesoderm

40
Q

This germ layer will become the linings of the respiratory and digestive tracts and the liver and pancreas

A

Endoderm

41
Q

The sperm releases a enzyme from the sperm’s head that helps the sperm wiggle up to the egg

A

Acrosomal reaction

42
Q

The beginning stage of embryo approximately 100 cells in a hollow ball

A

Blastocyst

43
Q

Sperms final maturation step on which provides the sperm with speed this happens when sperm enters female reproductive tract

A

Capacitation

44
Q

The mitotic cell division of a fertilized egg a zygote becomes an embryo

A

Cleavage

45
Q

A progesterone secreting endocrine tissue that forms right after ovulation

A

Corpus luteum

46
Q

Unspecialized cells competitions and structures attain their adult function in a process called

A

Differentiation

47
Q

Human body cells that are two chromosomes that are called what

A

Diploid

48
Q

Cell development of 0 to 8 weeks is considered an

A

Embryo

49
Q

In this process sperm and egg combined and create a new individual

A

Fertilization

50
Q

Develops from an embryo into a _____ (8 weeks until birth)

A

Fetus

51
Q

The reproductive cells that unite to form a new individual are called

A

Gamete

52
Q

The process of becoming or forming an early embryo stage

A

Gastrulation

53
Q

To be carried in the womb is considered what period

A

Gestation period

54
Q

Half of the chromosomal set (one parent set of chromosomes)

A

Haploid

55
Q

The embryo attaching to the uterine wall is called

A

Implantation

56
Q

The release of a mature egg from an ovary

A

Ovulation

57
Q

The birth process

A

Parturition

58
Q

More than one sperm fertilizes an egg

A

Polyspermy

59
Q

The making of sperm is called

A

Spermatogenesis

60
Q

Closing of fallopian tube to prevent pregnancy

A

Tubal ligation

61
Q

To induce sterilism in men to prevent pregnancy

A

Vasectomy

62
Q

A glycoprotein coat that protects ovum

A

Zona pellucida

63
Q

Once an egg is fertilized it becomes a

A

Zygote

Last Lab Exam!!!! (4 decks)

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