Figure 53-4. Sagittal (almost median) section of the head and neck, with a portion of the brain included. The various structures shown in this illustration have been given labels in other figures. Note the hypophysis, corpus callosum, septum pellucidum, pineal body, third ventricle, aqueduct, fourth ventricle, pons, cerebellum, medulla, and spinal cord; C1 to T1 vertebrae; the frontal and sphenoidal sinuses; the nasal conchae, palate, and opening of the auditory tube; the genioglossus and geniohyoid muscles; the larynx and trachea and pharynx and esophagus. Click for high resolution image.

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