in contrast , on sections treated with neuraminidase , ( 1 ) the initial site of antigen appearance is a more proximal position in treated than in untreated sections , ( 2 ) stereocilia stained strongly , ( 3 ) the staining intensity of sperm and intraluminal components increased , and ( 4 ) some clear cells in the epithelium from the distal position of the caput to the corpus epididymis were stained .
C0229473
clear cells
C0014609
epithelium