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. 2018 Jul 28;31(3 Suppl):97S–214S. doi: 10.1293/tox.31.97S

Figure 114.

Figure 114.

Cyst, tympanic membrane, external ear; rabbit. Squamous cyst in the tympanic membrane. This was an incidental finding. EEC = External ear canal; TB = Tympanic bulla lumen; M = Malleus. Blood observed in the tympanic membrane is normal congestion and pooling that can occur at necropsy and during histological processing.