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Concept Dis. Ch.18

Prenatal Development & Disease Assoc w/Pregnancy

mild hemolytic disease in group A/B infants or group O mothers, as a result of maternal anti-A & anti-B antibodies ABO hemolytic disease
fluid within amnionic cavity surrounding the developing organism amnionic fluid
fluid-filled sac surrounding embryo; one of the fetal membranes amnionic sac
congenital malformation; absence of brain, cranial vault, & scalp as a result of defective closure of neural tube anencephaly
stage of development of zygote in which a central cavity accumulates within the cluster of developing cells blastocyst
structure connecting embryo to chorion; eventually develops into umbilical cord body stalk
malignant proliferation of trophoblastic tissue choriocarcinoma
layer of trophoblast & associated mesoderm that surrounds developing embryo chorion
chorion with its villi & enclosed amnion, yolk sac, & developing embryo chorionic vesicle
identical twins joined to one another & often share organs in common conjoined twins
conjoined twins are also called Siamese twins
endometrium of pregnancy decidua
disturbance of blood coagulation as result of activation of coagulation mechanism & simultaneous clot lysis disseminated intravascular coagulation syndrome
one or more convulsions in a pregnant woman with preeclampsia eclampsia
developing human organisms from the 3rd-7th weeks of gestation embryo
partial replacement of blood of infant with hemolytic disease by blood lacking antigen responsible for hemolytic disease exchange transfusion
exchange transfusion is done by transfusing __ blood to an __ infant RH- ; Rh+
exchange transfusion performed to reduce intensity of hemolytic jaundice
unborn offspring after 8 weeks' gestation fetus
3-layered cluster of cells that will eventually five rise to an embryo germ disk
general term for all diseases characterized by abnormal trophoblast proliferation gestational trophoblast disease
gestational trophoblast disease includes both choriocarcinoma and hydatidiform mole
cells lining the ovarian follicles granulosa cells
one of the hormone made by placenta in pregnancy having actions similar to pituitary gonadotropins human chorionic gonadotropin (HCG)
one of the hormones produced by the placenta that has properties similar to pituitary growth hormone human placental lactogen (HPL)
neoplastic proliferation of trophoblast associated with formation of large cystic villi hydatidiform mole
group of cells that are derived from fertilized ovum & are destined to form the embryo inner cell mass
aggressive hydatidiform mole that invades the uterine wall invasive mole
middle germ layer of embryo, which gives rise to specific organs & tissues mesoderm
mulberry-shaped solid cluster of cells formed by division of fertilized ovum morula
insufficient quantity of amnionic fluid oligohydramnios
florescent light treatment of jaundiced babies to reduce concentration of unconjugated bilirubin in their blood phototherapy
flat disk-like structure that maintains the developing organism within the uterus placenta
attachment of placenta in uterus such that it partially/completely covers the cervix placenta previa
excess of amnionic fluid polyhydramnios
pregnancy-related complication characterized by hypertension & proteinuria, usually after 12th week of gestation, thought to preeclampsia
preeclampsia is thought to be caused by placental dysfunction
cell derived from fertilized ovum that gives rise the fetal membranes & contributes to formation of placenta trophoblast
attachment of umbilical cord to the fetal membranes rather than to the placenta velamentous insertion of umbilical cord
sac that is formed adjacent to the germ disk & that will form the gastrointestinal tract & other important structures in the embryo yolk sac
layer of acellular material surrounding the ovum zona pellucida
fertilized ovum zygote
fertilization or the egg occurs in the fallopian tube
third through seventh weeks of development, including the formation of organ systems, is known as the embryonic period
includes producing estrogen, progesterone, HCG & HPL endocrine function of the placenta
late in pregnancy, amniotic fluid is primarily composed of fetal urine
pregnancy following the failure of contraceptive pills or an IUD device can produce conditions ___ to embryonic development hazardous
may result in ruptured tubes & profuse bleeding ectopic pregnancy
are at risk for disproportionate blood distribution identical twins
causes late-pregnancy bleeding, requires cesarian section, & can be hazardous to mother & child a placenta previa
when one half of a pair of twins dies and is absorbed by its sibling vanishing twin
most benign type of gestational trophoblast disease takes the form of a hydatidiform mole
hemolytic diseases of the newborn have their pathogenesis in a malfunction of antigens
Fluorescent light therapy for Rh hemolytic disease works by converting __ __ into less toxic compounds unconjugated bilirubin
about 7 days after fertilization occurs, the fertilized egg is implanted in the uterus
the developing organism is most vulnerable to injury from drugs, maternal infections, or other factors disturbing fetal development during the embryonic period
the chorion is the outer sac surrounding the embryo
chorionic villi are the finger-like process projecting from the chorion
gestational trophoblast disease includes hydatidiform mole, invasive mole, & choriocarcinoma