( iii ) the absence of glycocalyx from the metastasizing tumor cell surface seems to result from its dissociation from plasma membranes , for solubilized cell surface antigen is readily found in the blood of metastasizing tumor bearing rats , while there was no detectable tumor cell surface antigen in the blood of the nonmetastasizing tumor hosts tested ;
C0061622
glycocalyx
C0007603
plasma membranes