Removal of MUC-1 exposes the oligosaccharide ligands of the uterine epithelium , thus allowing binding by the L-selectin receptor of the trophopblast cell , followed by embryo adhesion and invasion .
NOUN ADP PROPN VERB DET ADJ NOUN ADP DET ADJ NOUN , ADV VERB NOUN ADP DET PROPN NOUN ADP DET ADJ NOUN , VERB ADP NOUN NOUN CCONJ NOUN .