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. Author manuscript; available in PMC: 2021 Jun 1.
Published in final edited form as: Laryngoscope. 2020 Aug 8;131(6):1223–1228. doi: 10.1002/lary.28948

Fig. 3.

Fig. 3.

Pulmonary pathology in rats treated with xanthan gum-thickened water (A) and control (water alone) (B). Installation of xanthan gum-thickened water is associated with clusters of intraalveolar macrophage that often extend from alveolar ducts (asterix) and alveolar edema (A). Macrophages contain copious finely granular, lightly basophilic material that is interpreted as the instilled solution. Installation of water alone was associated with small numbers of intraalveolar macrophages. Hematoxylin and eosin: 200× magnification.