Part 64

OF THE FORMS OF THE FIBRO-CARTILAGINOUS SYSTEM.

Division into three classes of the organs of this system.—Characters of each class. 315

ARTICLE SECOND.

ORGANIZATION OF THE FIBRO-CARTILAGINOUS SYSTEM.

I. Texture peculiar to the Organization of the Fibro-Cartilaginous System.

It arises, 1st, from a fibrous substance; 2d, from a cartilaginous one.—It owes its resistance to the first and its elasticity to the second.—Action of caloric, air and water upon the fibro-cartilaginous texture.—It reddens by maceration.—Absence of the perichondrium upon most of the fibro-cartilages. 317

II. Parts common to the Organization of the Fibro-Cartilaginous System. 320

ARTICLE THIRD.

PROPERTIES OF THE FIBRO-CARTILAGINOUS SYSTEM.

I. Physical Properties.

Elasticity and suppleness united. 320

II. Properties of Texture.

Extensibility.—It is quite evident in it.—Contractility.—Difference from elasticity. 321

III. Vital Properties.

They are inconsiderable.—Influence of the obscurity of these forces upon the properties of the fibro-cartilages. 322

ARTICLE FOURTH.

DEVELOPMENT OF THE FIBRO-CARTILAGINOUS SYSTEM.

I. State of this System in the First Age.

Mode of development of the three classes. 323

II. State of this System in the after Ages.

General rigidity of these organs.—Consequences.—Ossification of the fibro-cartilages rare. 325

MUSCULAR SYSTEM OF ANIMAL LIFE.

Difference between the muscles of the two lives.—Observations upon those of animal life. 327

ARTICLE FIRST.

OF THE FORMS OF THE MUSCULAR SYSTEM OF ANIMAL LIFE.

Division of these muscles into long, broad and short. 327

I. Forms of the Long Muscles.

Place which they occupy.—Their division.—Their separation and reunion.—Peculiar forms of the long muscles of the spine. 328