| Term | Definition |
|---|
| cleavage stage | the early cell divisions where there is an increase in number but decrease in size |
| blastomere | any cell in the cleavage stage |
| viability | ability to stay alive on your own |
| miscarriage | spontaneous abortion |
| morula | a person consisting of 16 cells (3rd day) |
| trophoblast | directed by genes inherited by the father (provides nourishment and protects) |
| inner cell mass | directed genes inherited from mother |
| identical twins | monozygotic twins |
| conjoined twins | (siamese twins) 1/75,000 births |
| fatal transmission syndrome | (twin twin transfusion) blood flow to twins is unequal |
| gastrulation | germ layer formation |
| delamination | layer of cells divides to get 2 layers |
| cavitation | 2 layers of cells separate from each other (cavity is formed) |
| convergence | cells move toward point or line |
| evagination | cells push outward from some location |
| invagination | cells push inward from some location |
| elongation | increase in length along an axis |
| ectoderm | the outer most of the 3 layers (outer skin, nervous system, sensory part of organs) |
| endoderm | the inner most of the 3 layers (inside lining of digestive system, diverticula of the gut) |
| mesoderm | the middle germ layer (bones, muscles, circulatory system, urinary system, most of repro system) |
| lacunae | spaces in the chorion |
| endometrial gland | (uterine gland) makes uterine milk |
| menstruation | woman loses endometrium down to the basal layer |
| estrogen | causes uterine repair |
| endometriosis | bits of endometrial tissue have flowed the opposite way and into another place in abdominal cavity |
| decidua basalis | (maternal placenta) part of endometrium that will be in contact with chorionic villi |
| decidua perietalis | area outside of immediate pregnancy area |
| neurulation | formation of a closed neural tube (very early neurosystem) |
| organogenesis | organ formation |
| allantois | yields umbilical circulation |
| primitive streak | organizes the parts of the embryo (day 16) |
| notochord | first true embryonic structure. soft tissue between the disks in our back (day 18) |
| neural plate | beginning of the nervous system |
| teratology | study of abnormal development |
| pica | desire to eat inedible objects |
| iron deficiency anemia | the most common problem worldwide in pregnancy |
| diethylstilbesterol | synthetic estrogen used to stop contractions |
| hypospadius | where urethra opens up on other places of the penis |
| tetracycline | if taken in last trimester will interfere with bone growth of baby |
| quickening | woman can feel baby moving around the uterus |
| vernix | greasy, cheese-like material that prevents chaffing on the body |
| languno hair | tiny hair that holds vernix to the skin |
| brown fat | fat with high concentration of miochondria, able to generate heat quickly |
| lightening | baby drops lower into the uterus |
| perinatology | from 26th week until 4 weeks following birth |
| diaphragmatic hernia | hole in the diaphragm which hinders lung function |
| karyotyping | chromosome analysis |
Combine with other sets
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