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. Author manuscript; available in PMC: 2022 Jan 1.
Published in final edited form as: Methods Mol Biol. 2021;2321:101–110. doi: 10.1007/978-1-0716-1488-4_9

Fig. 1.

Fig. 1

(a) Photograph of a 4-day-old mouse pup during an oral gavage feeding with a PICC line. (b) Photograph demonstrating the small intestine and colon of a pup subjected to the NEC protocol. A significant accumulation of gas is observed in the distal part of the gastrointestinal tract (arrowheads) associated with a thin and fragile bowel wall