Book One -- The things that sustain and support the entire body, and what braces and attaches them all. [the bones and the ligaments that interconnect them] | Chapter 9 On the Twelve Bones of the Upper Maxilla, Including the Bones of the Nose

Brief enumeration of the bones of the maxilla.

The bones of the upper maxilla (not counting some thin, spongy, nearly membranous ossicles that are observed at the top of the nasal cavity in dried or recently boiled skulls, quite cartilaginous 31 ) are twelve in number, six on either side. Of these six (first: G, G in figs. 1 and 2; second: D in fig. 1; third: Q in fig. 1; fourth: L, L in figs. 1 and 2; fifth: C in fig. 1; sixth: P in fig. 2), we shall say that one [os zygomaticum] comprises the outer angle of the eye socket, while the second [os lacrimale] and third [os ethmoidale] will be considered the inner angle. We shall explain that the fourth [maxilla] supports all the teeth of the upper maxilla on its side; the fifth [os nasale] will be one of the two bones of the nose (as we call them). The sixth bone [os palatinum, lamina horizontalis] and its mate will be located at the end of the palate where the nasal foramina [meatus nasopharyngeus] face the area of the mouth. 32 Take a skull into your hands and compare it to the figures placed at the beginning of this chapter. Spend some time and see for yourself: look for the outlines of these six bones that have been marked with their own letters; and just as I am accustomed to do in classes, take a rough pen and black out all the sutures you find in one side of the skull so that whenever you wish you may more readily find all the sutures by which the bones are distinguished. First, concentrate on the eye socket and consider how many bones it is composed of: some of them belong to the upper maxilla, others to the head.



Book One -- The things that sustain and support the entire body, and what braces and attaches them all. [the bones and the ligaments that interconnect them] | Chapter 9 On the Twelve Bones of the Upper Maxilla, Including the Bones of the Nose