H(+)-myo-inositol cotransporter. H(+)(out) + myo-inositol(out) = H(+)(in) + myo-inositol(in) Localizes to the endfoot region of glial cells where the cilia of sensory neurons are embedded. Expressed in the intestine and sheath glial cells. Belongs to the major facilitator superfamily. Sugar transporter (TC 2.A.1.1) family. In contrast to family members hmit-1.1 and hmit-1.2, it is not induced by hyperosmotic stress.