OF THE FIBRO-CARTILAGINOUS 

 SYSTEM. 



Q. Where is this found? 



Ji. In the ear, in the alac of the nose, in the trachea, in 

 the eye-lids. It is found in the spinal inter-articular sub- 

 stance, in the iliac and pubic symphysis, and it appears 

 sometimes as tendinous sheaths. 



Q. Of what does this system consist? 



#. Of a mixture of fibrous and cartilaginous substance, 

 of which the former is the base. 



Q. What are the functions of this tissue ? 



/?. It has great power; it preserves the vertebrae, knee, 

 jaw, and other articular surfaces in place. It is in most 

 instances destitute of perichondrium. 



Q. Does any-other structure enter into the fibre-cartila- 

 ginous tissue, than those indicated by its name? 



A. It has a little, very condensed cellular texture. Few 

 blood-vessels, and no nerves can be seen in this texture. 



Q. What properties appertain to this tissue? 



Jl. The physical are elasticity and suppleness to a great 

 degree: observe these in the spinal column, nose and ears. 



Q. What are the textural properties of this system? 



#. Both extensibility and contractility. The nose 

 dilates from tumours and polypus, and contracts slowly 

 when the distention is removed. 



Q. . You have frequently met with and mentioned clas- 



