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24 Cards in this Set
- Front
- Back
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What is a gamete |
A mature haploid male or female germ-cell |
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What are the key activities inside ovaries |
Gamete production Steroid hormone production |
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What is oogonia |
Primordial germ cells in ovaries that form stem cells |
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How many chromosomes in an oogonia |
46 |
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Oogonia Multiplied by mitosis to form many ...... |
Primary oocytes |
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Are primary oocytes Diploid or haploid cells |
Diploid |
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What do primordial follicles surround |
Oocyte |
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Primary oocytes undergo ....... but pause before the baby is born and resume at puberty |
Meiosis |
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How many primary oocytes start to develop into secondary oocytes each month |
6 - 12 |
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How many primary oocytes complete the first part of meiosis each month |
1 |
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What is the name of the large follicle that surrounds the secondary oocyte |
Graafian follicles |
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Meiosis is only complete when |
The egg is fertilised |
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What is an ovum |
It is the product that remains after fertilisation triggers the second part of meiosis |
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Fertilisation of the ovum results in formation of a deployed ........ |
Zygote |
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What are the two parts of the ovarian cycle |
Follicular phase Luteal phase |
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What remains when ovulation |
Corpus luteum |
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What two hormones does the corpus luteum secrete |
Progesterone and oestrogen |
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What are the hormones related to puberty |
Luteinising hormone Follicle stimulating hormone Gonadotrophin releasing hormone |
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As the ovarian follicle grows it stimulates the release of which two hormones |
Follicle stimulating hormone and luteinising hormone |
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As the ovarian follicle grows it stimulates the release of which two hormones |
Follicle stimulating hormone and luteinising hormone |
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What do FSH and LH do |
Stimulate follicle development Oocytes maturation Steroid hormone production |
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A rapid increase of what hormone causes ovulation |
Luteinising hormone |
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If fertilisation does not occur what does the corpus luteum become |
Corpus albicans |
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If fertilisation does occur the corpus luteum persists to do what |
Maintains early development until placental and fetal hormones are established then degenerates |
