{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Psy137SexBehavFemale

Same as menstrual cycle except no monthly growth loss

Info iconThis preview shows pages 9–17. Sign up to view the full content.

View Full Document Right Arrow Icon
Same as menstrual cycle except no monthly growth & loss of uterine lining Sequence of events is controlled by hormones secreted by the pituitary & ovaries
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Hormonal Control of F Reproductive Cycle Cycle begins with secretion of gonadotropins by FSH stimulates growth of ovarian follicles Follicles- cells surrounding the ovum Causes growth of lining of uterus In preparation for implantation upon ovum fertilization Mid-cycle feedback to hypothalamus triggers anterior pituitary to release LH LH surge
Background image of page 10
The Ovary during Menstrual Cycle Under control of , a follicle develops and is released at ovulation; LH & FSH are peptides that bind to cell-suface receptors on granulosa and theca cells and activate steroidogenic enzymes. Follicular Phase : FSH induces follicular to grow and estrogen is produced by granulosa cells of the follicle; as follicle grows more E is released. Periovulatory Period : LH surge causes Graffian Follicle to rupture releasing ova.; LH surge produced by E acting to stimulate HPG ( positive feedback ) Luteal Phase : Progesterone is produced by Corpus luteum. P E FSH Graffian Follicle LH Surge
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Background image of page 12
Hormonal Control of F Reproductive Cycle LH surge Causes ovulation Follicle ruptures releasing the ovum Becomes corpus luteum Maintain lining of uterus Inhibits ovaries from producing another follicle If not fertilized corpus luteum stops producing E & P and the lining of the uterus sloughs off Menstruation
Background image of page 13

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Reproductive Cycle
Background image of page 14
Hormone Cascade
Background image of page 15

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Birth Control Pills Birth control pills are usually a mixture of E & P with a set of low or no hormone pills for one week to allow for menstruation The time that the E & P are high are mimicking the The lack of ovulation prevents the women from becoming pregnant If the pill is not taken regularly the feedback to the hypothalamus can be disrupted triggering the LH surge & ovulation
Background image of page 16
Image of page 17
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page9 / 33

Same as menstrual cycle except no monthly growth loss of...

This preview shows document pages 9 - 17. Sign up to view the full document.

View Full Document Right Arrow Icon bookmark
Ask a homework question - tutors are online