The veterinary obstetrical compendium : for the farmer and breeder of livestock . of young animals. The Waters pre-serve an equable temperature for the young creature;maintain the integrity of its exterior before the skin iscovered by the peculiar coating; it also favors the move-ments and developments of the young, by removing itfrom unequal pressure; diminishes the chance of injuryfrom sudden external movements and shocks, and allowsthe foetus to obey the laws of gravitation. It also pro-tects the mother from injury by the foetus, towards the 36 Obstetrics—Domesticated Animals. termination o
The veterinary obstetrical compendium : for the farmer and breeder of livestock . of young animals. The Waters pre-serve an equable temperature for the young creature;maintain the integrity of its exterior before the skin iscovered by the peculiar coating; it also favors the move-ments and developments of the young, by removing itfrom unequal pressure; diminishes the chance of injuryfrom sudden external movements and shocks, and allowsthe foetus to obey the laws of gravitation. It also pro-tects the mother from injury by the foetus, towards the 36 Obstetrics—Domesticated Animals. termination of gestation. During parturition, this wa-protrudes the membranes; is the primary agent in dilat-ing the mouth of the womb; it also shields the foetusfrom the direct actions of the contractions of the womb,whose violence might compromise its existence; the wa-ters render the dilation of the mouth of the womb easyand prompt; and, finally, by lubricating the vagina,casues the passage of the young creature through it tobe more gentle and expeditious than it would other-wise Fig. MEMBRANES OF THE COW AT MID-TERM. WOMB OPENED ON ITS LEFT , Neck of Womb; B, B, Maternal After-births; C, C. FoetaAfter-births; D, D, F, F, Liquor Amnii The Waters; E, Bladder,of the Urachus; G, Naval String (Umbilical Cord); H, H, InnerLining (Allantois) of the Outer Water-sac (Chorion), Obstetrics—Domesticated Animals. 37 AFTERBIRTH— (PLACENTA.) THE AFTERBIRTH, or PLACENTA (Fig. 7, 8and 9) is a soft, spongy, vascular body, adherent to thewomb and, connected to the foetus by the navel cord(umbilical cord). The afterbirth is not in existence duringthe first period of gestation, but its formation commences
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Keywords: ., bookcentury1900, bookdecade1900, bookidveterinaryob, bookyear1903
