Endodermal germ layer -Area of tissue in early development of the embryo that gives rise to other structures. These include the digestive tract, respiratory organs, vagina, bladder and urethra. Also called endoderm or entoderm. It begins with the preparation for acceptance of a pregnancy and ends with the shedding of the lining during a menstrual period. It acts as a catalyst to improve or cause chemical changes in other substances.
Medication is injected around the spinal cord during labor or other types of surgery.
Used during delivery to avoid tearing or laceration of the vaginal opening and rectum. Also called uterine tube. Fasting blood sugar -Blood test to evaluate the amount of sugar in the blood following a time period of fasting. Fertilization -Joining of the sperm and egg. Legs are flexed and knees extended.