Forest frog. Zoom in 4 times. The dorsal side of the model is mounted on the board, and the dissection preparations opened on the ventral side of the male frog are shown. The liver, stomach, intestines, and intestines are detachable, and the position of the internal organs is displayed in stages. The urinary and reproductive abdomen of female water frogs are shown on a supplementary model for comparison. Divided into 3 parts. Installed on the board.
