generated from within the organism. Since many of our biological cycles follow an approximation 24-hour rhythm‚ even in the absence of external stimuli‚ it follows that there must be some kind of internal biological clock. 2. What is the name given to external events that play a role in rhythmic activities? Give an example (2) The name given this is the exogenous zietgebers‚ an example of this would be the light-dark cycle. Thus‚ the rhythms become aligned to the new cues. 3. Name
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begins‚ and departs from the ovary and travels into the fallopian tubes (oviduct). They also manufacture the female hormones estrogen and progesterone which is instrumental in the onset of the menstrual cycle. Ovum(ova) egg cell A microscopic egg cell is released from one of the two ovaries at an average cycle of once every 28 days. When sperm cells encounter an ovum in the fallopian tube‚ they swarm around it like bees around honey. Once one sperm cell breaks through the outer membrane of the ovum
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References: 1. Akpantah A‚ Oremosu A‚ Noronha C‚ Ekanem A‚ Okanlawon O; Effects of Garcinia kola seed extract on ovulation /oestrous cycle and foetal development in cyclic sprague - dawley rats; Nigerian journal of physiological sciences. 2005:20 (1-2): 58-62. 4. Adeyeye E I‚ Asaolu S S‚ Aluko‚ A O: Amino acid composition of two masticatory nuts (Cola acuminata and Garcinia kola) and
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REPRODUCTIVE SYSTEM Reproductive System A system of sex organs within an organism which work together for the purpose of sexual reproduction. Many nonliving substances such as fluids‚ hormones‚ and pheromones are also important accessories to there productive system. Sexual reproduction produces new individuals - Gametes (sperm & egg) formed by testes and ovaries - Fertilization produces one cell (a zygote)with one set of chromosomes from each parent - Creates genetic variation . Gonads produce
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wisegeek.com/what-is-sperm.htm 2. The uterine cycle is the menstrual cycle while the ovarian cycle is a cycle that focuses on changes of the ovaries. These two make up the reproductive cycle. Both cycles are controlled by secretion of the hormones called Follicle-Stimulating Hormone and Luteinizing Hormone which focuses on the ovarian cycle‚ while progesterone and estrogen is responsible for causing the changes in the menstrual cycle. Once the menstrual cycle starts to end‚ low levels of estrogen and
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INTRODUCTION 1.1. Introduction: Women experience a lot of changes (symptoms) during their menstrual cycle‚ which markedly compromises their quality of life and ability to function‚ leading to higher direct medical costs for increased physician visits and laboratory tests‚ and higher indirect costs to employers through lower productivity at work. This group of symptoms form the Pre Menstrual Syndrome which varies in severity from person to person. Premenstrual syndrome (PMS) is a cyclic‚
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Aalaa Mohasseb Professor Mahdi Tourage Religious Studies 2500F 19 November 2012 Patriarchy and Gender Inequality "I created you from one soul‚ and from that soul I created its mate so that you may live in harmony and love” (Quran 4:2). When distinguishing between the Quran and Western Christian tradition‚ it becomes clear that equality amongst genders is much more prominent in the Quran. This is a result of the influence of Greek misogyny being integrated into Western Christian tradition
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Exploratory Laporotonomy 2. Partial Salpingectomy 3. Evacuation of Hemoperitoneum 4. Lysis of Adhesion Complications: Blood test requiring transfusion x2 HISTORY: This 35-year old white female gravida 3‚ para 1-0-2-1 had her last menstrual period in early January prior menstrual cycle had been regular to report using no contraception but not attempting pregnancy. Patient presented to the emergency room complaining a vaginal bleeding with pain in a lower pelvic area. Ultrasound preform in an emergency room
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At the the lower end of the uterus there is a ring of muscle called the cervix which keeps the baby in place whilst a woman is pregnant. The menstrual cycle The menstrual cycle relates to the female reproductive system and is the time from the first day of a woman’s period to the day before her next period‚ this occurs every 28 days. In each cycle‚ rising levels of oestrogen cause the ovary to develop an egg and release it; the womb lining also starts to thicken. The egg travels down the fallopian
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the transmission of the action potential. Optional drawings can be included. 2) Explain the female monthly cycle including the ovarian and uterine cycles. Be sure to include the Follicular Phase and the Luteal Phase for the ovarian cycle and the menstrual‚ proliferation‚ and secretory phases for the uterine cycle. Clearly define the fluctuation and usage of hormones during these two cycles. Optional drawings can be included. **Students who currently have an “A” in class can choose to opt out of
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