Diseases of poultry; their etiology, Diseases of poultry; their etiology, diagnosis, treatment, and prevention diseasesofpoultr00pea Year: 1915 316 Diseases of Fuultry to determine th more or less al through the tis fixed tissues so tumor cells may ing a lymphatic Probably the e point of origin. Certain lymphomata are veolar in structure; others grow diffusely sues. The tumor may be confined to the that it is essentially extravascular, or the also occur in the circulatory blood constitut- leukemia.' second most frequent type of connective Fig. 68. — Sarcoma Chicken Tumor No. I, Second Gen
Diseases of poultry; their etiology, Diseases of poultry; their etiology, diagnosis, treatment, and prevention diseasesofpoultr00pea Year: 1915 316 Diseases of Fuultry to determine th more or less al through the tis fixed tissues so tumor cells may ing a lymphatic Probably the e point of origin. Certain lymphomata are veolar in structure; others grow diffusely sues. The tumor may be confined to the that it is essentially extravascular, or the also occur in the circulatory blood constitut- leukemia.' second most frequent type of connective Fig. 68. — Sarcoma Chicken Tumor No. I, Second Generation. (After Rous.) tissue tumor is sarcoma. This may occur as simple sarcoma or it may occur in combination with one or more of the other types. That is, it is a generalized and simple tissue which may represent the complete adult stage of a tumor, as Rous Chicken Tumor No. I, and Chicken Tumor No. XVIII. However, since it is a simple generalized tissue, it may also represent an early stage in the development of one of the other forms of connective tissue tumors. In these cases it remains as a matrix in which the further developed tissues
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