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biology > menstrual cycle > Flashcards

menstrual cycle Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

definition of menstrual cycle

A

a monthly cycle where an egg is released ready for fertilisation

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2
Q

name the hormones involved in the menstrual cycle

A

LH, FHS, progesterone and oestrogen

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3
Q

role of FSH

A

FHS ( follicle stimulating hormone ) - released from the pituitary gland, stimulates ball of cells/ causes egg to mature, causes ovaries to release oestrogen

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4
Q

role of oestrogen

A

oestrogen - released from ovaries, stops FSH from being produced so that only one egg matures, repairs and thickens uterus lining, stimulates pituitary gland to release LH

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5
Q

role of LH

A

LH - released from the pituitary gland, releases egg from follicle, triggers ovulation

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6
Q

role of progesterone

A

progesterone - released from the ovaries, maintains uterus lining

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7
Q

Where is the site of fertilisation

A

Fallopian tube

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