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Mat-Child Ch 6 WK3/4
Question | Answer |
---|---|
Amnion | inner layer of the fetal membranes, originating from inside the blastocyst |
Amniotic fluid | fluid formed by the amnion, consisting of about 98% water, and containing glucose, proteins, urea, lanugo (fine fetal hair), and vernix caseosa |
Anomalies | abnormal development of an organ or structure |
Bag of waters | the fetal membranes |
Ballottment | a sharp upward pushing against the uterine wall with a finger inserted into the vagina; used for diagnosing pregnancy by feeling the return impact of the displaced fetus |
Biophysical profile | a test that assesses five variables; fetal breathing, fetal movement, fetal tone, amniotic fluid volume, and fetal reaction |
Blasocyst | stage of embryo formation in which cells have formed a two-layer ball |
Braxton hicks contractions | irregular, painless contractions occurring throughout pregnancy, also known as false labor |
Cephalocaudal | proceeding from head to toe |
Chadwicks sign | a bluish-purple discoloration of the cervix and vagina |
Chloasma | (also known as mask of pregnancy) darkening of the forehead, cheeks, and area around the eyes |
Chorian | outer layer of the membranes enclosing the embryo |
Chorionic villus sampling | test in which a sample of placental tissue is taken from a woman's abdomen and placental tissue is aspirated through a needle; the tissue, formed from the zygote, reflects the genetic makeup of the fetus |
Conception | uniting of ovum and sperm |
Cotyledons | irregular sections of the maternal side of the placenta |
Craniofacial | relating to the head and face |
Doula | a supportive companion who accompanies the woman through birth, providing physical and emotional support and information, and advocating for the woman and the family |
Ductus arteriosus | a blood vessel in a fetus that connects the pulmonary artery to the aorta |
Ductus venous | a vein passing through the liver and connecting the left umbilical vein with the inferior vena cava of the fetus |
Embryonic disc | the part of the inner cell mass of a blastocyst that will become the embryo |
Embryonic stage | (also known as stage II) from weeks 3 through 8 of fetal development; stage in which all body systems are formed |
Erythroblastosis fetalis | a serious anemia, usually resulting from maternal antibodies to Rh-positive fetal blood |