. Fig. 44—The Uterine Seal in Early Pregnancy in Heifer. F, Embryo % inch long in the embryonic sac ; 5", uterine seal in cross sec- tion ; O, ovary with corpus lutein of pregnancy ; A, uterine seal protruding from the vaginal end of the cervix. ject into the vagina. It is distinct, however, and adheres clearly to the finger tips. It continues to grow and soon bulges out into the vagina. The uterine seal involves the cervical mucosa only. As stated earlier, however, the annu- lar folds of the cervical mucosa push out into the vagina in the cow which has calved and especially when she has


. Fig. 44—The Uterine Seal in Early Pregnancy in Heifer. F, Embryo % inch long in the embryonic sac ; 5", uterine seal in cross sec- tion ; O, ovary with corpus lutein of pregnancy ; A, uterine seal protruding from the vaginal end of the cervix. ject into the vagina. It is distinct, however, and adheres clearly to the finger tips. It continues to grow and soon bulges out into the vagina. The uterine seal involves the cervical mucosa only. As stated earlier, however, the annu- lar folds of the cervical mucosa push out into the vagina in the cow which has calved and especially when she has suf- fered from cervicitis. The protruding portions of the cervical


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Keywords: ., bookcentury1900, bookdecade1920, booksubjecthorses, bookyear1921