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Figure 2 | BMC Veterinary Research

Figure 2

From: Congenital nasolacrimal duct fistula in Brown Swiss cattle

Figure 2

Lacrimal duct fistulae with different-shaped openings. A) Circular opening at 9 o’clock in the left ocular region of an eight-month-old daughter of bull A; B) Circular opening at 4 o’clock, 3.5 cm from the medial canthus in the right eye of a four-month-old daughter of bull B; C) Oval opening 1 cm medial to the medial canthus of the left eye in a two-year-old daughter of bull A; D) Slit-like opening 1.1 cm medial to the medial canthus of the right eye in a two-year-old daughter of bull A.

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