CHAPTER IV.

THE ANATOMY AND PHYSIOLOGY OF HARELIP AND CLEFT PALATE.

Harelip—Effect of labial muscles on deformity—Structure of os incisivum and labial segments.

Cleft palate—Arrangement and action of muscles—Shape of bony segments—Associated irregularity in shape of skull—Physiological effects in nutrition, articulation, &c. 60-71