. Biology of the vertebrates : a comparative study of man and his animal allies. Vertebrates; Vertebrates -- Anatomy; Anatomy, Comparative. — Orbit — Dorsal Concha — Ethmoidal Cells Middle Concha Nasal Septum —Ventral Concha Antrum of Highmore — Hard Palate Fig. 486. A vertical cut through the nasal region, showing the ethmoid and turbinal bones heavily outlined in black. (After Tillaux.) •^^^y^i-rr.— Small Wing Optic Foramen 50^-~Chiasmatic Groove /,'Wi^-*3 "Sella Turcica. Frontal Crista Galli Cribriform Plate Ethmoid (P**Great Wing li\dk— Base of Occipital Sphenoid Squama > Temporal
. Biology of the vertebrates : a comparative study of man and his animal allies. Vertebrates; Vertebrates -- Anatomy; Anatomy, Comparative. — Orbit — Dorsal Concha — Ethmoidal Cells Middle Concha Nasal Septum —Ventral Concha Antrum of Highmore — Hard Palate Fig. 486. A vertical cut through the nasal region, showing the ethmoid and turbinal bones heavily outlined in black. (After Tillaux.) •^^^y^i-rr.— Small Wing Optic Foramen 50^-~Chiasmatic Groove /,'Wi^-*3 "Sella Turcica. Frontal Crista Galli Cribriform Plate Ethmoid (P**Great Wing li\dk— Base of Occipital Sphenoid Squama > Temporal ^J"H* Pe^ous Portion J Foramen Magnum Parietal IH^k""—Supraoccipital Portion Fig. 487. Internal view of base of human skull. (After Toldt.) ear bones (Fig. 488). A second pair of bones, appearing in some reptiles and in mammals, is laid down in the ascending process of the pterygo- quadrate which extends dorsally into the region just in front of the otic capsule (Fig. 489). In reptiles this bone is called the epipterygoid (Fig. 490) while in mammals it is the alisphenoid. Meckel's cartilage, the embryonic lower jaw, usually gives rise to an articular bone near the angle of the jaws which, as its name implies, articu- lates with the quadrate of the upper jaw (Figs. 491 and 492). In mammals the articular becomes the malleus, the outermost of the three middle ear. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Walter, Herbert Eugene, b. 1867; Sayles, Leonard Perkins, 1902-. New York : Macmillan Co.
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Keywords: ., bookcentury1900, booksubjectanatomycomparative, booksubjectverte
