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PSYC 2110 Week 7

by: AnnaCiara

PSYC 2110 Week 7 2110

GPA 3.4

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About this Document

Second lecture of exam 3 material
Psychology of Human Sexuality
Seth Kalichman
Class Notes
25 ?




Popular in Psychology of Human Sexuality

Popular in Psychlogy

This 2 page Class Notes was uploaded by AnnaCiara on Sunday March 13, 2016. The Class Notes belongs to 2110 at University of Connecticut taught by Seth Kalichman in Spring 2016. Since its upload, it has received 15 views. For similar materials see Psychology of Human Sexuality in Psychlogy at University of Connecticut.


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Date Created: 03/13/16
March 9, 2016 Reproduction and Reproductive Technology 10 Pregnancy and Parenting 11 Reproduction, Reproductive Technology and birthing Fertilized egg starts to divide in fallopian tube Fertilization  Fertilin - chemical in head of sperm, enzyme that degrades/penetrates the outer coating of the egg and helps sperm to adhere to that egg  Zona Pellucida - outer coating that the sperm must penetrate through  eggs give off chemical that kills other sperm o egg can't be fertilized by more than one sperm  Exocytosis - once this happens you have a fertilized egg called -->  Zygote - has 46 chromosomes  Deoxyribonucleic Acid (DNA)  chromosomes pair up because DNA looks for strands that are complementary Fetal development  implantation of the embryo  cell division begins  morula - no longer called a zygote  blastocyst is at five days post fertilization o what implants into uterus into endometrium which is highly vascularized and draws nourishment from mothers blood supply  ectopic pregnancy o can go to term depending on location  once blastocyst implants it's now called the embryo  fertilization can occur then implantation doesn't  Extraembryonic membranes and placenta o amnion where the transfer of material happen between the mother and the fetus  their blood never mixes  oxygen more concentration in mothers blood then goes into fetus's blood  CO2 more concentrated in embryo then goes to mother o umbilical cord o chorion o placenta o villi o fetus  after 2 months of development Cephalo to caudal and proximal to distal Fetal technology and medicine  Fetal imaging  prenatal chromosomal testing techniques o can test for chromosomal abnormalities o amionic test still doesn't mix bloods o especially done when mother is older and chromosomal defects potentially increase o eggs that ahve been in the ovary longer have greater risk of problems when they divide Oxytocin is a hypothalamic- pituitary hormones  released in early sexual response phases  triggers birth process  induces labor is the injection of oxytocin  causes smooth muscle contractions - labor  labor is contracting of myometrium (uterine walls) to push the fetus out  dialation is the cervix opening during labor to allow the fetus to come out Afterbirth  placenta  typically there is a procedure done to remove it episiotomy  opening of the vagina is flexible and can typically allow for passage of the baby  avoid tearing which is harder to repair  cut to allow expansion Cesarean section  done to avoid problems with delivery  reduce risk of transmission of HIV from mother to baby Preeclampsia - high pressure associated with pregnancy Premature birth Rh incompatability Infertility and Sexuality  failure of a successful pregnancy after a year or more of intercourse without contraception  women: scarring in fallopian tubes from pelvic inflammatory tubes  endometriosis may be other source of infertility o fertilized egg cant implant  men: most common source of infertility is low sperm count o epididymitis - blockages of fine tubes o chlamydia - infection can get into epididimis o heavy alcohol and cigarette use can lower sperm count  temporary uterine transplant o taken out after birth because its a high risk organ for rejection o artificial insemination  way to correct infertility  can carry fertilized egg for someone else  eggs can be harvested and fertilized from some she knows or not IVF


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