Veterinary obstetrics, including the diseases of breeding animals and of the new-born . a case was readily castrated by us through the amplevagina in the same manner as spaying a mare. (Fig. 58). Theelongated clitoris, which projected 2 or 3 inches beyond thevulva, was amputated. The udder was well developed. Inother cases in the horse, we have observed well developed mam-m« with testicles resting just above and to the outer side ofthem, an abbreviated penis and no vulva. Between these typesvarious gradations appear. In a boar, as shown in Fig. 14, wefound a male gland (testicle) on
Veterinary obstetrics, including the diseases of breeding animals and of the new-born . a case was readily castrated by us through the amplevagina in the same manner as spaying a mare. (Fig. 58). Theelongated clitoris, which projected 2 or 3 inches beyond thevulva, was amputated. The udder was well developed. Inother cases in the horse, we have observed well developed mam-m« with testicles resting just above and to the outer side ofthem, an abbreviated penis and no vulva. Between these typesvarious gradations appear. In a boar, as shown in Fig. 14, wefound a male gland (testicle) on one side and a female, (ovary)on the other. The Limbs. In a rabbit eml^ryo of about the tenth day, the mesoblasticcells on either side of the notochord become grouped into cuboid-al masses, divided from each other by transverse lines, whichare known as somites or primitive segments. The first pair ap-pears in the cervical region prior to the closure of the neuraltube and additional somites appear, extending forward towardthe head end and backward toward the tail. From these somites. Fig. 59. Rabbit embryo of the ninth .lay ; seen from the donsalside (after Kolliker.) X^i. stz. Stem zone, pz. Parietal zone. In the stem zone S pairs ofsomites appear on either side of the chorda dorsahs and nenraltube. ap. Area pellucida. rf, Medullary groove, vh, Fore-bram. ab. Eye vesicle, mh, ]Mid-brain. hb. Hind-brain. uw. Primitive segment, h. Heart. ph, Pericardial portion of body cavity. vd. Margin of entrance to foregut. af, Amniotic fold. Vena omphalo-mesentenca. Heisler). 342 Veterhiary Obstetrics md
Size: 2280px × 1096px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectveterinaryobstetrics
