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Repro Phys > Quiz 3 > Flashcards

Quiz 3 Flashcards

1
Q

Acrosome

A

Cap like structure that surrounds the anterior part of the head of a sperm and participates in the acrosome reaction

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2
Q

Acrosome reaction

A

During fertilization the acrosome releases enzymes associated w/ penetration of the zona pellucida

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3
Q

Ampulla

A

Male- a thickening of the vas deferens before it enters the urethra Female- dilated section of the oviduct which lies between the infunbidulum and the isthmus

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4
Q

Antrum

A

Fluid filled cavity inside a graafian follicle

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5
Q

Aspermia

A

Failur of formation or emission of semen carrying sperm

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6
Q

Heterogametic

A

Producing unlike gametes w/ respect to the sex chromosomes

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7
Q

Intersex

A

An individual showing morphological and anatomical characteristics that lie between the typical male and female condition

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8
Q

Libidio

A

Desire to mate

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9
Q

Meiosis

A

The 2 divisions which precede the formation of gametes in which the members of each chromosome pair separate and the chromosome number in the resulting daughter cells is reduced to half somatic number as distingusined from ordinary cell division

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10
Q

Metamorphosis

A

Change of shape or structure a transition from one developmental stage to another

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11
Q

Mitosis

A

Cell division involving the duplication of chromosomes and the division of chromosomes by a process of longitudinal splitting. Thus, each of the resultant daughter cells recieves a full complement of chromosomes existing in the original cell before division

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12
Q

Septum

A

A dividing wall or membrane

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13
Q

Spermatocytogenesis

A

The stage of spermatogenesis that involves cell division

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14
Q

Spermatogenesis

A

The process of formation of sperm which includes both spermatocytogenesis

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15
Q

Spermiogenesis

A

The morphological change that spermatids undergo to become spermatozoa

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16
Q

Spermiation

A

The process by which spermatoza detach from steroli cells

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17
Q

Tumescence

A

A state of being swollen or tumid

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18
Q

How long does the entire first phase of the spermatogenesis process take

A

43 days

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19
Q

How long is the mitotic divsion of the spermatogenesis process

A

20 days

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20
Q

How long is the meiosis stage of the spermatogenesis process

A

23 days (meiosis 1 = 21 days and meiosis 2 = 2 days)

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21
Q

How long is the second phase of the spermatogenesis process

A

17 days

22
Q

How long is the whoel spermatogenesis process

A

60-63 days

23
Q

What is forms from the golgi of the spermatid creating the next phase of the golgi phase of speriogenesis

A

Proacrosomic granules

24
Q

What does the proacrosomic granules form in the next phase of the golgi phase of spermiogenesis

A

The acrosomic vesicle and the acrosomic granule

25
Q

What starts moving towards the bottom of the sperm to form the tail

A

Centrioles

26
Q

What is formed during the cap phase of spermiogenesis

A

The acrosomic vesicle starts developing around the nucleus and the tail begins to grow

27
Q

What occurs during the acrosomal phase

A

Mitochondria start drifing down towards the developing midpiece

28
Q

What is spermiation

A

Release of spermatoza to the lumen

29
Q

What is the blood testis barrier

A

A blood tissue barrier that divides seminiferous epithelium into the basal and apical seperating pre and post mitotic germ cells

30
Q

What three things make up the blood barrier

A

Basement membrane, wall of the blood vessel, and steroli cells

31
Q

What causes the fluid movement of the sperm

A

An increase in Na solute

32
Q

What does FSH produce in the male brain

A

testosterone which goes inside the seminiferous tubule causing spermatogenesis

33
Q

What does LH stimulate

A

Leydig cells to produce testosterone

34
Q

What does the sertoli cell turn testosterone into

A

DHT

35
Q

What does sertoli cell also produce

A

estrogen

36
Q

What is the role of androgen binding protein

A

To maintain testosterone

37
Q

What is the anatomy of the follicle

A

Oocyte, granulosa cell, the externa and interna theca layers, and the antrum

38
Q

What is the cumulus type of granulosa cell surround

A

the oocyte

39
Q

What does the mural granulosa cell surround

A

the follicle

40
Q

What is the interna theca layer produce

A

testosterone

41
Q

What does the externa theca layer

A

smooth muscle

42
Q

What is an identifing characteristic of primordial follicles

A

Squamous epithelial cells

43
Q

What is an identifing characteristic of primary follicles

A

Cuboidal epithelial cells

44
Q

What is an identifing characteristic of of secondary follicle

A

The development of zona pellucida and two or more layers of epithelial cells

45
Q

What is an identifing characteristic of the tertiary follicle

A

The development of both theca layers and the antrum

46
Q

What can both the tertiary follicle and the graafian follicle

A

Antral

47
Q

What three things are involved with turning the germline cyst into a follicle

A

Notch signaling, NOBOX, and figla

48
Q

What turns the primordial follicle into a primary follicle

A

Foxl2, Sohlh 1, and 2

49
Q

What is critical for truning a primary follicle to a secondary follice

A

GDF 9 and Kit

50
Q

What are a couple of things needed to turn a secondary follicle into an antral follicle

A

FSH + FSHr, Inha, and Igf1

Repro Phys (10 decks)

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