. Radiography and radio-therapeutics . PLATE XVI.—Normal Skulls. a, Skull showing several pieces of metal in face. The sella turcica is particularly well shown. b, Mid area of skull ; a line has been placed on points giving the radiographic base-line ; the lineruns through the base of the sella turcica (dry skull). c, Lateral view of skull in living subject; probes have been placed in the frontal and sphenoidal PLATE XVII.—Skulls showing Departures from the Normal. a, Opacity in right antrum. (Radiographed in position described by Dr. Waters.) b, Skull in a child, showing moulding of
. Radiography and radio-therapeutics . PLATE XVI.—Normal Skulls. a, Skull showing several pieces of metal in face. The sella turcica is particularly well shown. b, Mid area of skull ; a line has been placed on points giving the radiographic base-line ; the lineruns through the base of the sella turcica (dry skull). c, Lateral view of skull in living subject; probes have been placed in the frontal and sphenoidal PLATE XVII.—Skulls showing Departures from the Normal. a, Opacity in right antrum. (Radiographed in position described by Dr. Waters.) b, Skull in a child, showing moulding of the cranial bones resulting from intracranial pressure. c, Skull from a case of tumour of the brain, situated at the sella turcica ; the detail in theregion is lost. EXAMINATION OF THE MOUTH 211 Highmore is clearly defined, the zygomatic arch stands out prominently,the lower jaw is thrown out in relief, and behind there is a distinct pictureof the mastoid portion of the temporal bone with the air cells. Plate XV. Fig. c shows a small and more distinct view of the centralportion of the bony parts of the head. The points to observe are the levelsof the bone of the skull in relation to the exterior, the clinoid processes withthe sella turcica between, the relation of the chief sutures to the various levels,and the well-marked grooves for blood-vessels in the inner table of the clearly denned shadow is thr
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