Sentence:  The <WSD>overnourished</WSD> adolescent ewe model utilizes the hierarchy of nutrient partitioning to limit fetal placental growth. Normally, nutrition is shunted to the fetus to promote proper growth, but when the dam is still growing (i.e., adolescent) maternal growth takes priority above fetal growth which means nutrients are partitioned to maternal growth at the cost of the gravid uterus. ... Fetuses from <WSD>overnourished</WSD> ewes are normally small for their gestational age and born premature. 
Meaning of the word marked with <WSD> tags:  Excessively nourished.