Sole matrix, 769
of horse, 765
sensitive, 769
Soleus muscle of horse, 292
of ox, 311
of pig, 317
Solitary glands of rectum, 370
of small intestine, 363
of pig, 420
Space, interalveolar, 58, 69
interdental, of horse, 58
interosseous, of forearm, 80
submaxillary, of horse, 62
Spatia anguli iridis, 744
zonularia, 747