the basement membranes , including thin ones ( less than 0.3 micron ) from kidney , colon , enamel organ , and vas deferens , and thick ones ( greater than 2 micron ) , i.e. , reichert 's membrane , descemet 's membrane , and ehs tumor matrix , were fixed in formaldehyde , embedded in lowicryl , and treated with specific antisera or antibodies followed by anti-rabbit immunoglobulin bound to gold .
C0020960
antisera
C0003241
antibodies