Similar to its function in lymphocytes , L-selectin acts as a receptor to facilitate adhesion of the embryo to the site of invasion on the surface epithelium of the uterine endometrium .
ADJ ADP PRON NOUN ADP NOUN , PROPN VERB ADP DET NOUN PART VERB NOUN ADP DET NOUN ADP DET NOUN ADP NOUN ADP DET NOUN NOUN ADP DET ADJ NOUN .