FIBRO-CARTILAGE. 
179 
numerous, in sections of the outer portion of an inter- 
vertebral disc ; in the centre, which is more pulpy 
than the outer part, the fibres are fewer in number, and 
the cells, as shown at a , b, larger and more abundant. 
Many of the examples of articular cartilage, especially 
those from fishes and birds, as well as specimens of 
FIG. 138 . 
A B 
c 
a, fibro-cartilage from outer part of an intervertebral disc ; a b, cells from 
the centre of the same disc, b, three dorsal vertebrae showing ossification of 
the anterior common ligament, with absence of the intervertebral disc, c, fibro- 
cartilage of epiglottis. 
enchondroma, are composed of fibro-cartilage, charac- 
terised by the presence of white fibres and cartilage- 
cells. 
Modified forms of fibro-cartilage exist in the epi- 
N 2 
