Ultrasonogram of the spleen, reticulum, and the left lung obtained from the left 5th ICS recorded during the reticular contraction, by placing the transducer parallel to the ribs. 1: ventral portion of lung depicting internal reverberation artifact, 2: spleen, 3: wall of reticulum, ICS: intercostal space, D: dorsal, V: ventral, M: medial.