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Property of cervico-vaginal mucus in cyclic gilts was studied by scanning electron microscopy (SEM) and biochemical analysis.<BR>The mucus increased' in volume concurrently with reddening and swelling of vulva in proestrus, and then decreased in the late stage of standing estrus. The mucus was scanty in diestrus. Scan-ning electron microscopies showed different ultrastructures between proestrus and standing estrus; coarse and less regular structure with thinner threads in proestrus was characteristic. Concentration of total protein increased in the proestrus and decreased gradually in the stage from standing estrus toward the diestrus. By means of cellulose acetate electrophoresis, peaks of protein were detected in the electrophoretogram, one in albumin fractions and several in globulin fraction. Some peaks in the latter fraction gave a positive reaction to periodic acid-Schiff reagent and might be glycoproteins. Amount of the protein migrated between a-and, A-globulin fraction exceeded that of other fractions including albumin. Concentration of sugar increased significantly in the proestrus and decreased in the diestrus. Changes in the concentration of uronic acid, an indicator of acid mucopolysaccharide, were parallel to that of the protein.
- 日本繁殖生物学会の論文
日本繁殖生物学会 | 論文
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