Tuesday, March 31, 2020

Vitro Fertilization Essays - Reproduction, Fertility,

Vitro Fertilization Human in vitro fertilization is selection of embryos for the transfer to the uterus. The eggs are surgically removed from a woman's ovaries and placed in a carefully prepared broth called human tubal fluid. Six hours later, the husband's sperm cells are added. The evidence of fertilization was detected approximately 16 hours later. Later on, the scientists select four embryos that are actively dividing and carefully inserts them into the woman's uterus through her cervix. In another 10 days, a laboratory pregnancy test will tell her if the embryo has attached to her uterine wall. The average rate of achieving pregnancy being 35 percent. For fertilization of a human egg to occur, whether it be in a petri dish or nature's setting(a woman's fallopian tube), a series of intricate events must occur to produce a viable egg in the women and healthy sperm cells. Recently we have learned in class; the development of a ripe egg and its release into the fallopian tube is called ovulation, which is controlled by hormones produced by the brain, pituatory gland and ovaries. The leading cause of abnormal ovulation though, is caused by polycystic ovary syndrome. There is very little known how or why it is caused, but we do know those patients with the syndrome have increased insulin levels. When ovulation does occur, the newly released egg enters a fallopian tube, ready to encounter sperm cells that have made it through the selective hurdles of a woman's urinary tract. One hurdle the sperm cells encounter is the cervix, which acts as a biological filter. The cervix filters out all the unhealthy or abnormally shaped sperm. Once a viable egg is produced and sperm cells have entered the fallopian tubes, fertilization is possible- if the two types of cells successfully meet. The events of early reproduction are among the most fascinating, most complex, but least understood in human biology. This class has taught me to share a fundamental desire for this significant process and has helped me understand the events that ensure the continuation of human life.

Saturday, March 7, 2020

The eNotes Blog Louise Erdrich Read toLive

Louise Erdrich Read toLive On Monday the 16th a couple of us went to see Louise Erdrich give a reading from her new novel, LaRose, out now in hardcover from HarperCollins. This novel is set in Ojibwe territory in  North Dakota and draws inspiration from a story Erdrichs mother told her about a family who shared their son  with the parents of a child theyd accidentally killed. LaRose, the young boy who is given to the wronged family in Erdrichs novel,  is the fifth of his name, the favorite child of his father, Landreaux. Hes a spiritual boy who communes with his ancestors and has a strong relationship with the young girl Maggie, who thinks hes a saint. When we saw her, Erdrich read two passages about Maggie, one a harrowing passage of violence narrowly escaped, the other a tense yet hilarious account of a  volleyball game Maggies team wins. After the reading, the audience had the opportunity to ask questions about where Erdrich draws  inspiration for  her novels  (from her rich heritage and her a ncestors), how she feels about the education system on reservations  (we need to celebrate Native American teachers and build more immersion schools where children can learn traditional Native American languages), and  what books she would recommend (works by Tracy K. Smith, Marlon James, and Ocean Vuong, among others). Win a Signed Copy of Love Medicine! We were lucky enough to meet Erdrich briefly and get a signed copy of one of her most popular books,  Love Medicine. Since this book is often taught in high school, we thought we would give a student a chance to win this autographed copy of  Love Medicine, which includes a personalized message from Erdrich herself: Read to love. Its good advice for readers of any age. Check out the inscription below, and let us know  in the comments,  on Twitter, Facebook, or Instagram if you want this special copy. Well pick one lucky eNoter at random. Many thanks to Town Hall Seattle and Elliott Bay for sponsoring the event and letting us attend!