Female Reproduction The Menstrual Cycle and Embryonic Development
Menstrual Cycle Notes <ul><li>Purpose is to prepare the female body for baby </li></ul><ul><li>Length is approximately 28 ...
Menstrual Cycle Phases <ul><li>Ovulation- a mature egg is released from the ovary </li></ul><ul><li>Luteal- uterus lining ...
Menstrual Cycle Hormones <ul><li>FSH (follicle-stimulating)- hormone that stimulates the maturation of eggs in the ovaries...
Menstrual Cycle Themes <ul><li>The menstrual cycle is a highly complex process </li></ul><ul><li>The menstrual cycle is ac...
Every Picture Tells A Story <ul><li>As you go through the pictures that follow, see if you can understand what the stories...
 
Menstrual Cycle and Feedback Mechanisms <ul><li>Feedback Mechanisms help us understand how hormones work </li></ul><ul><li...
Embryonic Development as a Story <ul><li>One cell to a trillion cells </li></ul><ul><li>4 themes to the story: cleavage, p...
Embryonic Development Themes of the Story <ul><li>Cleavage- the divisions that begin with the fertilized egg (mitosis) </l...
Placenta <ul><li>Placenta is the world where the baby develops </li></ul><ul><li>What happens to the mother, happens to th...
 
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Female Reproduction Study Guide

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Female Reproduction Study Guide

  1. 1. Female Reproduction The Menstrual Cycle and Embryonic Development
  2. 2. Menstrual Cycle Notes <ul><li>Purpose is to prepare the female body for baby </li></ul><ul><li>Length is approximately 28 days </li></ul><ul><li>4 phases: Ovulation, Luteal, Menstruation, Follicular </li></ul><ul><li>4 hormones: FSH, LH, Estrogen, Progesterone </li></ul>
  3. 3. Menstrual Cycle Phases <ul><li>Ovulation- a mature egg is released from the ovary </li></ul><ul><li>Luteal- uterus lining is beginning to thicken to prepare for baby </li></ul><ul><li>Menstruation- if fertilization does not occur, the uterus lining will be shed </li></ul><ul><li>Follicular- a new egg is becoming mature in the ovary </li></ul>
  4. 4. Menstrual Cycle Hormones <ul><li>FSH (follicle-stimulating)- hormone that stimulates the maturation of eggs in the ovaries </li></ul><ul><li>LH (luteinizing)- hormone that starts ovulation </li></ul><ul><li>Estrogen- hormone that allows uterus lining to thicken, develops follicles, and will form placenta </li></ul><ul><li>Progesterone- hormone that allows milk production, helps with onset of labor, and lowers immune response to accept pregnancy </li></ul>
  5. 5. Menstrual Cycle Themes <ul><li>The menstrual cycle is a highly complex process </li></ul><ul><li>The menstrual cycle is achieved by 4 hormones working like an orchestra to play a symphony </li></ul><ul><li>These hormones are subject to feedback mechanisms </li></ul><ul><li>Any changes in these hormones will impact the menstrual cycle, like birth control pills, for example </li></ul>
  6. 6. Every Picture Tells A Story <ul><li>As you go through the pictures that follow, see if you can understand what the stories they are trying to tell. </li></ul>
  7. 8. Menstrual Cycle and Feedback Mechanisms <ul><li>Feedback Mechanisms help us understand how hormones work </li></ul><ul><li>The pituitary gland and the thyroid gland produce the 4 menstrual cycle hormones </li></ul><ul><li>The nervous system monitors the hormones and detects changes in the female body </li></ul><ul><li>Once a change is detected and the hormone has carried out its function, the nervous system will send a message back to the endocrine system (pituitary/thyroid gland) to stop producing the hormones. </li></ul>
  8. 9. Embryonic Development as a Story <ul><li>One cell to a trillion cells </li></ul><ul><li>4 themes to the story: cleavage, patterning, differentiation, and growth </li></ul><ul><li>Egg + Sperm unite = fertilization </li></ul><ul><li>Human: 23 + 23 = 46 chromosomes </li></ul><ul><li>Zygote -> embryo -> fetus -> newborn </li></ul>
  9. 10. Embryonic Development Themes of the Story <ul><li>Cleavage- the divisions that begin with the fertilized egg (mitosis) </li></ul><ul><li>Patterning- the early organization of those cells (morula, blastula, gastrula) </li></ul><ul><li>Differentiation- the cells are no longer the same </li></ul><ul><li>Growth- the cells get bigger and develop into: tissues, organs, organ systems, highly complex organism </li></ul>
  10. 11. Placenta <ul><li>Placenta is the world where the baby develops </li></ul><ul><li>What happens to the mother, happens to the baby </li></ul>
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