Carpenter's principles of human physiology . asal bones, d, d, aredeveloped as opercular bones in the membrane coveringthe primitive cartilage, and overlie the nasal cartilage;whilst at the base of the cartilage, but developed inmembrane, is the vomer (a). The remaining bone whichenters into the formation of the skull is the Temporal, thedevelopment of which, formerly much misunderstood, has^r^n°dSrr°flaraSear;of been verJ carefully investigated by Prof. Huxley, ; c, right alaof the Parker, and others ; from whose inquiries it appears thatturMnaiebone™elndC/, are *he squamosal portio
Carpenter's principles of human physiology . asal bones, d, d, aredeveloped as opercular bones in the membrane coveringthe primitive cartilage, and overlie the nasal cartilage;whilst at the base of the cartilage, but developed inmembrane, is the vomer (a). The remaining bone whichenters into the formation of the skull is the Temporal, thedevelopment of which, formerly much misunderstood, has^r^n°dSrr°flaraSear;of been verJ carefully investigated by Prof. Huxley, ; c, right alaof the Parker, and others ; from whose inquiries it appears thatturMnaiebone™elndC/, are *he squamosal portion, like the parietal and frontalseen projecting on the op- bones, is developed from membrane. Below this, and positeside: d, nasal bones. •» L . developed ironi fibrous tissue, a ring of bone appears in-complete above, forming the auditory meatus, and termed the tympanic , there are three centres of ossification, for which Mr. Huxley proposesthe terms, prootic, epiotic and opisthotic. The prootic lies behind the foramen. Vertical transverse sec-tion of anterior portion ofthe Primordial basis cranii: DEVELOPMENT OF THE FACE. 951 Fig. 363.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectphysiology, bookyear1
