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CONTENTS.
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ence between formation and transformation. Fresh and growing, in opposition to macerated, bone. Nature of medullary tissue—Growth in length of tubular [long] bones; proliferation of cartilage. Formation of marrow as a transformation of tissue; red and yellow, normal and inflammatory marrow. Osseous tissue, calcified cartilage, osteoid tissue. Bone-territories: caries, degenerative ostitis. Granulations in bone. Suppuration of bone. Maturation of pus. Ossification of marrow.—Growth of long bones in thickness: structure and proliferation of the periosteum.—Granulations as analogous to the medulla of bones, and as the starting-point of all heteroplastic development. || | |
| LECTURE XIX.—Pathological, and especially Heterologous, New Formation. | 471 |
| Consideration of some forms of pathological formation of bone. Soft osteoma of the maxillae. Rickets. Formation of callus after fracture.—Theory of substitutive new formation in opposition to exudative. Destructive nature of new-formations. Homology and heterology (malignity). Ulceration. Mollities ossium. Proliferation and luxuriation. Medulla of bones, and pus.—Suppuration. Its two forms: superficial, occurring in epithelium; and deep, in connective tissue. Eroding suppuration (skin, mucous membrane): pus- and mucus-corpuscles in their relations to epithelium. Ulcerative suppuration. Solvent properties of pus.—Connection of destruction with pathological growth and proliferation. Correspondence of the first stage in pus, cancer, sarcoma, etc. Possible duration of the life of pathologically new-formed elements, and of pathological new-formations considered as wholes (tumours). Compound nature of the larger tuberous tumours (Geschwulstknoten), and miliary character of the real foci (Heerde). Conditions of growth and recurrence: contagiousness of new-formations and import of the anastomoses of cells. Cellular pathology in opposition to the humoral and neuristic. Geueral infection of the body. Parasitism and autonomy of new-formations. | |
| LECTURE XX.—Form and Nature of Pathological New-formations. | 507 |
| Nomenclature and classification of pathological new-formations. Consistence as a principle of division. Comparison with individual parts of the body. Histological division. Apparent heterology of tubercle, colloid, etc.—Difference of form and nature: Colloid, Epithelioma, Papillary tumour, Tubercle.—Papillary tumours: simple (condylomata, papillomata) and specific (villous cancer and cauliflower-tumour).—Tubercle: infiltration and granulation. Inflammatory origin of tubercle. Its production from connective tissue. Miliary granules, and solitary masses. The cheesy metamorphosis.—Colloid: myxoma. Collonema. Mucous or gelatinous cancer.—Physiological types of heterologous new-formations: lymphoid nature of tubercle, haematoid of pus, epithelioid of cancer, cancroid, pearly and dermoid tumours, and connective-tissue-like of sarcoma. Infec- tiousness according to the amount of juice.—Comparison between pathological new-formations in animals and vegetables. Conclusion. |
