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Embryology > Chapter 2 Exam 1 > Flashcards

Chapter 2 Exam 1 Flashcards

1
Q

Head of spermatozoon is capped by an apical vesicle filled w/ hydrolytic enzymes- enzymes released to penetrate the oocyte for fertilization

A

Acrosomal Reaction

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2
Q

Location of fertilization in uterine tube

A

Ampulla

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3
Q

Follicular cells that radiate around the oocyte making up the culumus compolex

A

Corona Radiate

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4
Q

The interchange of chromatid segments

A

Crossover

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5
Q

Oocyte is pushed to one side of the follicle where it is surrounded by granulosa cells

A

Cumulus oophorus

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6
Q

Sperm moved here by efferent ducts in clusters- stored & separated here

A

Epididymus

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7
Q

Begins in the ampulla of the uterine tube

A

Fertilization

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8
Q

Development & maturation of the follicles- still in the ovary

A

Follicular phase

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9
Q

Reduction of the number of chromosomes in each gamete to half that of a normal somatic cell

A

Gametogenesis 1

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10
Q

Alters the shape of each gamete in preparation to fertilize

A

Gametogenesis 2

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11
Q

Viability of germ cells 10 years

A

Infrozo

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12
Q

Viability of germ cells

A

2 weeks

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13
Q

Development of the corpus luteum which puts out progesterone

A

Luteal phase

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14
Q

Cell division only in germ cells- diploid cells to haploid cells

A

Meiosis

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15
Q

A variable amount of abdominal pain accompanies ovulation in some women

A

Mittleschmerz (Middle Pain)

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16
Q

Viability of 18 hours

A

Oocyte

17
Q

Ovulation & release of the oocyte

A

Ovulatory phase

18
Q

Sperm initial contact w/ the zona pellucida causes a change in the resting membrane potential of the fertilized oocyte

A

Prevention of polyspermy

19
Q

Located in seminiferous tubules- sperm produced here

A

Sertoli cells

20
Q

Viability of 1-2 days

A

Sperm

21
Q

Begins at puberty- takes place in the seminiferous tubules- spermatogonia are transformed into mature sperm

A

Spermatogenesis

22
Q

Close to ovulation- a bulge on surface of ovary locally- result of maturated & enlarged follicle

A

Stigma

23
Q

Glycoproteins shell surrounding the oocyte

A

Zona Pellucida

Embryology (11 decks)

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