Page:Microscopicial researchers - Theodor Schwann - English Translation - 1947.pdf/25

CONTENTS.

PAGE

INTRODUCTION - 1

SECTION I. On the Structure and Growth of the Chorda Dorsalis and Cartilage - 10

1. Chorda dorsalis - ib.
2. Cartilage - 15

SECTION II.

On Cells as the Basis of all Tissues of the Animal Body - 36

• First division. On the ovum and germinal membrane - 40
• Second division. Permanent tissues of the animal body - 64

CLASS I. Isolated, independent cells. - 67

1. Lymph-corpuscles - ib.
2. Blood-corpuscles - ib.
3. Mucus-corpuscles - 70
4. Pus-corpuscles - 71

CLASS II. Independent cells united into continuous tissues - 73

1. Epithelium - ib.
2. The pigmentum nigrum - 77
3. Nails - 80
4. Hoofs - 81
5. Feathers - 82
6. The crystalline lens - 87

CLASS III. Tissues, in which the cell-walls have coalesced with each other, or with the intercellular substance - 96

1. Cartilage and bone -97
2. The teeth - ib.

CLASS IV. Fibre-cells, or tissues, which originate from cells that become elongated into bundles of fibres - 110

1. Areolar tissue - ib.
2. Fibrous tissue - 123
3. Elastic tissue - 124