Term
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Definition
| A chemical produced at one site and has an effect at another site |
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Term
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Definition
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Term
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Definition
| the onset of puberty, sperm production and the menstrual cycle |
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Term
| The pituitary gland produces |
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Definition
| Follicle stimulating hormone, interstitial cell stimulating hormone and luteinising hormone |
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Term
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Definition
| promotes sperm production in the seminiferous tubles |
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Term
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Definition
| stimulates the interstitial cells to produce testosterone |
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Term
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Definition
| sperm production in the seminiferous tubules and activates the prostate gland and seminal vesicles |
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Term
| High concentration of testosterone |
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Definition
| inhibits the secretion of FSH and ICSH by the pituitary |
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Term
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Definition
| stimulates the development and maturation of each follicle and the secretion of oestrogen by the ovary tissue |
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Term
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Definition
triggers ovulation and the development of the corpus luteum from the follicle
which in turn, secretes progesterone |
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Term
| When the ovary wall secretes oestrogen it |
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Definition
| stimulates cell division of the endometrium, repair of the endometrium and stimulates the pituitary to secrete LH |
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Term
| The corpus luteum secretes progesterone which |
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Definition
| promotes development and vascularisation of the endometrium and inhibits secretion of FSH and LH by the pituitary |
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Term
| The menstrual cycle lasts for |
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Definition
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Term
| High concentrations of Oestrogen trigger |
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Definition
| production of LH and FSH by the pituitary gland at approx “day 14” of the menstrual cycle |
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Term
| High concentrations of LH |
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Definition
| around day 14 causes ovulation to occur |
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Term
| The Follicular Phase is the |
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Definition
| first half of the menstruation cycle |
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Term
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Definition
| is the second half of the menstruation cycle |
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Term
| High levels of oestrogen and progesterone during the luteal phase |
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Definition
| inhibit the pituitary gland, so concentrations of FSH and LH drop and no new follicle develops at this time |
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Term
| If fertilisation does not occur |
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Definition
| low levels of LH leads to degeneration of the corpus luteum. Oestrogen and progesterone levels also rapidly drop. |
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