. Fig. 4a -Median Long-itudinal Sections of Cervices of Cows showing the Windings of the Cervical Canal. /, The vagina ; 2, lip of the os uteri externum ; j, first annular mucous fold ; 4. second annular mucous fold. tumors. The healthy mucosa of the cervix is smooth, of a pinkish hue, paler than the vaginal mucosa. Its surface is moist, but should reveal no signs of pus. During estrum the cervical canal is dilated and filled with clear, highly lubri- cant mucus. The deeper portions of the cervical canal may be examined

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Keywords: ., bookauthorwilliams, bookcentury1900, bookdecade1920, bookyear1921