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Animal Repro > fertilization (2) > Flashcards

fertilization (2) Flashcards

1
Q

what is transcervical insemination?

A

directly in the uterus

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2
Q

what is intracervical insemination?

A

into the cervix

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3
Q

what is intravaginal insemination?

A

into the vagina

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4
Q

what is laproscopic surgery?

A

surgery in abdomen

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5
Q

what animals need transcervical insemination?

A

cow and goat

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6
Q

what animals needs intracervical insemination?

A

pig

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7
Q

What animals need intravaginal insemination?

A

dog and cat

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8
Q

what animals need laprascopic surgery?

A

sheep

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9
Q

what is a zygote?

A

one cell (first step)

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10
Q

what is syngamy?

A

mitosis, adhesion of male and female DNA

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11
Q

what is an embryo?

A

not easily recognized as part of species

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12
Q

what is a fetus?

A

easily recognized as part of species

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13
Q

what is conceptus?

A

product of conception (placenta and fetus)

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14
Q

four steps of preuterine attachment…

A

development in zona pellucida, hatching of blastocyst from zona pellucida, maternal recognition of pregnancy, formation of membranes

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15
Q

what membranes are formed in preuterine attachment?

A

amnion, chlorion, allantois

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16
Q

what does the morula stage look like?

A

a cluster of grapes

17
Q

what happens in the morula stage?

A

inner cells are one population, outcer cells are another, and creates fluid filled cavity

18
Q

what junction includes the inner cells?

A

gap junctions

19
Q

what do gap junctions allow?

A

intercellular communication

20
Q

what junction includes the outer cells?

A

tight junctions

21
Q

what do tight junctions alter?

A

permeability

22
Q

what happens when the blastocyst hatches?

A

growth and fluid build up, enzyme production, and contractions

23
Q

once in the uterus what does the embryo depend on?

A

adequate luteal function, adequate progesterone syntheses, responsiveness of uterus to progesterone

24
Q

what are the extraembryonic membranes?

A

yolk sac, chorion, amnion, allantois

25
Q

what is retrograde loss?

A

in the cervic

26
Q

where are the privledged pathways?

A

cervix

27
Q

where does fertilization take place?

A

ampulla in oviduct

Animal Repro (13 decks)

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