RM
Dog's nose, MRI model
Dog's nose, magnetic resonance imaging (MRI) model. Detailed MRI scans have allowed the reconstruction of the complicated airways inside a dog's nose, for the study of olfaction (the sense of smell). Shown here is the shape of the airway, which extends from the dog's nostril to the cranial location above the eye. The cross-section shown reveals turbinates in the region of the nose responsible for heating and cooling the air breathed in. Further back is the olfactory epithelium, where the smells are actually sensed.
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