Major Characters. Stanley Yelnats He is the fifteen-year-old main character, the protagonist of the novel. His family has a history of bad luck, and accordingly, Stanley is wrongfully convicted of stealing, and is sent to the detention center, Camp Green Lake.
Term placentas were used as the control group. Exclusion criteria included pregnancies with <32 weeks gestation, diabetes, hypertension, preeclampsia, smoking (consumption >5 cigarettes/day), alcoholism or drug use, twin or multiple pregnancies and genetic diseases in the newborn.
1 The fetal portions of this type of placenta are called cotyledons, the maternal contact sites (caruncles), and the cotyledon-caruncle complex a placentome. 2  This type of placentation is observed in ruminants.3  Zonary: The placenta takes the form of a complete or incomplete band of tissue surrounding the fetus.here are also three layers on the maternal side, but the number of these layers which are retained-that is, not destroyed in the process of placentation-varies greatly among species. The three potential maternal layers in a placenta are: 1  Endothelium lining endometrial blood vessels.