Immuno-chemical studies on blood groups; the preparation of blood group A and B substances and an inactive substance from individual horse stomachs and of blood group B substance from human saliva. Blood group substances have been isolated from the saliva of human beings of blood group B and from the linings of individual horse stomachs. The properties of the human B substances are similar to those of hog and human blood group substances previously isolated. The horse substances showed lower hexosamine and reducing sugar and higher total and non-hexosamine nitrogen than do the materials from the other species. Materials isolated from individual horse stomachs possess either A or B activity or both. Certain stomachs yielded products of identical analytical composition but with neither blo...
Serum gonadotrophin and ovarian activity in the pregnant mare. Shortly after Cole & Hart [1930] had reported the discovery of a gonadotrophic hormone in the blood of the mare in early pregnancy they [Cole, Howell & Hart, 1931] described the changes that occur in the ovaries throughout gestation, and associated the unusually active condition of the ovaries between the 40th and 150th day with the presence of the gonadotrophin in the blood. During this period the ovaries are very large and contain numerous follicles and a small number of functional corpora lutea. The authors claim that the latter serve initially to supplement the function of the primary corp...
Evidence of the presence of equine encephalomyelitis virus in Philippine animals. No abstract available
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