LEC: Estrous Cycle Flashcards

0
Q

What controls the estrous cycle?

A

Hormones

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1
Q

Define the reproductive cycle

A

Regularly occurring periods during which the female is sexually active and receptive separated by periods where there is no sexual activity

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2
Q

When does ovulation happen?

A

Estrous cycle third day

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3
Q

How long is proestrus? 2

A

2-15 days

Avg 9

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4
Q

What hormone will there be a high pint of in proestrus?

A

Estrogen

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5
Q

What are two symptoms of proestrus?

A

Bloody discharge, firm/swollen vulva

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6
Q

How will both genders react during proestrus?

A

Males will be attracted

Female won’t accept

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7
Q

How long is the estrus cycle? 2

A

3-21 days

Avg 9

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8
Q

What will happen with the hormones during estrus?

A

LUteinizing hormone will surge causing an increase is progesterone and decrease in estrogen

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9
Q

What is a side effect of estrus?

A

Swollen vulva, light pink or no discharge

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10
Q

How will the genders react during estrous?

A

Male will be attracted

Female will accept male

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11
Q

How long does diestrus last?

A

2 months

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12
Q

What is going on with the hormones during diestrus?

A

High progesterone

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13
Q

What will both genders do during diestrous?

A

Female refuses male

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14
Q

How long does Anestrus last?

A

2-10 months

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15
Q

What’s going on with the hormones during Anestrus?

A

Low progesterone and low estrogen

16
Q

Will you see any symptoms with Anestrus?

A

No

17
Q

What cells will you see in proestrus? 3

A

Para basal and intermediate cells in early estrus

Superficial/cornfield cells in last estrus

Some neutrophils and RBC

18
Q

What cells will you see in estrus? 2

A

> 90% superficial/corniced cells

No neutrophils

Decreasing RBC

19
Q

What cells will you see in diestrus? 3

A

Increasings parabas and intermediate cells

Decreasing superficial cells
Some neutrophils

20
Q

What will the cells look like in Anestrus?

A

Few parabas all and intermediate cells

+/- neutrophils

21
Q

Why would you do a serum progesterone assay?

A

Because serum progesterone levels will rise 2-3 days before ovulation

22
Q

If ovulation is on two days, what would the serum progesterone assay results show?

A

1-1.9ng/ml

23
Q

If ovulation is in one day, what will the serum progesterone assay show?

A

2-3.9 mg/ml

24
Q

If ovulation is the same day, what will serum progesterone assay show?

A

4-10 ng/ml