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. 2021 Mar 11;15:657361. doi: 10.3389/fnins.2021.657361

FIGURE 7.

FIGURE 7

Functional recording and characterization of afferents innervating mouse colorectum in both thoracolumbar (TL) and lumbosacral (LS) pathways. (A) The distribution of colorectal neurons in thoracolumbar (T12 to L2) and lumbosacral (L5 to S1) DRGs. (B) Functional classification of colorectal afferents based upon response profiles to colorectal distension (15, 30, 45, 60 mmHg) and mucosal shearing. (C) The distributions of four colorectal afferent classes within TL and LS innervations. muc, mucosal afferents; mus-mu, muscular-mucosal afferents; L.mus, low-threshold muscular afferents; H.mus, high-threshold muscular afferents.