EDP 363 1st Edition Lecture 11 Outline of Last Lecture I Adult Male Genitals continued II Circumcision III Female Anatomy Outline of Current Lecture I Test Material II Menstrual Cycle III Pregnancy IV Breasts Current Lecture I II Test Material a Myth fact value questions i Determine what kind of statement the sentence is ii Also know the different ways values are stated b Multiple choice c Equivalency questions female to male parts and vice versa d Fill in the black e Short essay questions f Bring 2 pencil g Chapters 1 4 in the book and lecture materials Menstrual Cycle a Endometrial lining in uterus changes shape and size during cycle b 2nd line is where the eggs are produced ovaries c estrogen and progestin are produced in the ovaries d the endometrial lining and progestin main hormone that builds up lining of uterus and if its not present causes the lining to snuff off curvatures are similar i progestin holds the lining in place e FSH follicle stimulating hormone stimulates the egg follicles in the ovaries i As FSH increases in the ovaries eggs start to ripen ii 1st mature egg sends signal to stop others from maturing iii causes estrogen levels to rise which then cause progestin levels to rise f middle cycle ovulation egg matures and leaves ovary i LH changes surrounding cells into yellow body in the ovaries triggered by luteinizing hormone These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute III IV ii Corpus louden lives on its own for about 2 weeks then disintegrates levels of progestin drop g INTERUPTIONS i Pregnancy ii Menopause iii Weight fat loss iv Ill sickness h Note either ovary can produce egg they don t take turns Pregnancy a Egg leaves ovary with 46 chromosomes b Zona pellucida protects the egg from attack by bacteria c More than 1 sperm can penetrate the zona i When sperm penetrate the zona they lose their tail ii Electrical charge of egg changes when sperm penetrates it d Egg then still have too many chromosomes 46 so the sperm sits in a pocket and waits for meiotic completion e The egg divides and the smaller egg disintegrates the egg invites the sperms DNA to join the mother s DNA in the fallopian tube f Egg starts to travel down the tube VERY SLOWLY 4 6 days g Egg implants itself into the endometrial lining about 50 of fertilized eggs don t make it to this step i They then anchor themselves into the lining and send out a drill which becomes the umbilical cord into the lining for supplies i e oxygen h Every time the egg multiples in number it still remains the same size i Note ectopic pregnancy can cause the fallopian tube to burst j Zygote produces HCG i Hormone keeps corpus ludium alive ii Produces more progestin endometrial lining stays in tact no period iii Hormones stay up throughout the entire pregnancy k NOTE transudation female lubrication Breasts a The difference in women s breast size is due to the amount size of fat cells mammary glands are the same b Breast size is totally uncorrelated to ability to breast feed and how much women enjoy breast stimulation c Mammary glands tube network to nipple area d Milk production doesn t occur in women until after birth e High estrogen and progestin levels suddenly drop when a woman s water breaks f Prolactin colostrum oxytocin g Feedback mechanism between breast being suckled and milk production i When weaned prolactin stops being produced and milk production stops h Oxytocin is produced in large amounts and causes milk to leave the breast i Released during orgasm period when baby is suckling